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Expert Tutor in Excel, Python, Data Science, and SQL – Learn conf
Lianna R.

4.9 (112 ratings)

332 hours tutoring

Your first lesson is backed by our Good Fit Guarantee
Hourly Rate: $30
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Response time: 1 hour

About Lianna

Bio

I am Lianna , a passionate data science tutor holding a BS in Data Science from the University of Central Florida. I have extensive hands-on experience in analytics, programming, and machine learning. Over the years, I’ve developed a strong foundation in Python, SQL, and statistics and a deep appreciation for the transformative power of data. To further enhance my expertise, I have earned international certifications, including the Python Institute’s PCAP – Certified Associate in Python...

I am Lianna , a passionate data science tutor holding a BS in Data Science from the University of Central Florida. I have extensive hands-on experience in analytics, programming, and machine learning. Over the years, I’ve developed a strong foundation in Python, SQL, and statistics and a deep appreciation for the transformative power of data. To further enhance my expertise, I have earned international certifications, including the Python Institute’s PCAP – Certified Associate in Python Programming and the Microsoft Certified: Azure AI Fundamentals (AI-900), validating my proficiency in these essential tools.

My journey into data science combines academic knowledge with practical, real-world applications. I have worked extensively with tools such as Pandas, NumPy, and Matplotlib to analyze datasets and uncover meaningful insights. My proficiency in SQL, supported by certifications like the SQL Server Certification from Microsoft, enables me to teach essential skills in database management, querying, and data analysis. Whether you are new to data science or seeking to master advanced concepts, I will break down complex topics into clear, actionable steps tailored to your learning needs.

As a tutor, I make learning engaging and accessible by focusing on hands-on exercises, interactive discussions, and small activities like brainstorming questions during class. I strive to build your confidence, enabling you to solve problems independently and apply your skills in academic or professional settings. I have successfully worked with students from diverse backgrounds and ages ranging from 12 to 54, helping them excel in their coursework, prepare for exams, and tackle challenging projects with clarity and confidence.

I would be honored to guide you on your journey. Together, we can unlock your full potential and achieve your goals in this dynamic and rapidly growing domain.

Looking forward to working with you!

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Education

University of Central Florida
Data Science

Policies

  • Hourly Rate: $30
  • Rate details: One hour online session rate is 30$. However rates are flexible depending on the subjects simplicity or complexity
  • Lesson cancellation: 1 hours notice required

  • No background check

  • Your first lesson is backed by our Good Fit Guarantee

Schedule

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Approved Subjects

AWS

AWS

As an AWS professional with over three years of experience, I specialize in designing, deploying, and managing scalable cloud-based solutions. My expertise spans core AWS services including EC2, S3, RDS, Lambda, and IAM, with a focus on optimizing cloud infrastructure for performance, security, and cost-efficiency. I have a strong background in cloud architecture, automation using CloudFormation and AWS CLI, and implementing best practices for cloud security and compliance. Whether you're new to cloud computing or looking to deepen your AWS knowledge, I provide practical, hands-on guidance to help you build robust, scalable applications in the AWS ecosystem.
Business

Business

As a seasoned business professional with over three years of experience, I specialize in providing data-driven solutions, process automation, and programming services to enhance business efficiency. My expertise spans across Python, data analysis, and the integration of powerful libraries such as NumPy, pandas, and matplotlib. I focus on developing tailored solutions to meet specific business needs, whether it’s automating workflows, solving complex challenges, or leveraging data for strategic insights. My approach emphasizes practical, real-world applications that empower businesses to streamline operations and achieve their goals efficiently.
C

C

I have a strong command of the C programming language, with expertise in leveraging its foundational features to develop efficient and reliable solutions. My experience includes working with variables, data types, loops, and conditional statements to write structured and functional code. I am skilled in memory management, utilizing pointers and dynamic memory allocation to optimize resource usage. Additionally, I have experience in implementing file handling, working with standard input/output libraries, and designing modular programs using functions. My deep understanding of C enables me to develop low-level, performance-driven applications while adhering to best practices in coding and debugging.
C++

C++

I have extensive experience in programming, encompassing a wide range of tasks from designing efficient algorithms to implementing object-oriented structures. I possess a solid foundation in fundamental C++ features, skillfully working with variables, loops, and conditional statements to create functional and optimized code. My expertise includes memory management and resource optimization through the effective use of pointers and dynamic memory allocation. With a strong focus on building scalable and modular applications, I am proficient in utilizing C++ libraries and frameworks, making me a reliable resource for tackling diverse programming challenges.
Computer Engineering

Computer Engineering

As a skilled Computer Engineer with a strong foundation in hardware and software development, I specialize in designing and implementing advanced solutions for complex engineering challenges. With expertise in systems architecture, embedded systems, networking, and software development, I focus on delivering high-performance, reliable, and scalable solutions. My approach integrates cutting-edge technologies to optimize system efficiency, enhance functionality, and support innovation across various industries. Whether it’s developing custom hardware, improving network infrastructure, or creating software solutions, I am committed to leveraging my technical expertise to drive business growth and technological advancements.
Computer Programming

Computer Programming

I have a strong background in computer programming, with expertise in designing, writing, and debugging efficient code. My experience encompasses fundamental concepts such as algorithms, data structures, and creating modular, scalable solutions. I excel at optimizing code for performance and troubleshooting to ensure seamless functionality. With a focus on logical problem-solving and clean coding practices, I am adept at developing robust applications and addressing a wide range of programming challenges effectively.
Computer Science

Computer Science

As a Computer Science expert with over three years of experience, I have a strong foundation in Computer Science subjects including Basic programming, algorithms, and problem-solving. My expertise includes multiple areas, including data structures, software development, and computational logic. I am skilled in teaching core concepts like object-oriented programming, database management, and system design, making complex topics accessible to learners of all levels. Whether you are a beginner or looking to deepen your understanding, I provide clear, practical guidance to help you excel in Computer Science and achieve your learning goals.
Creative Writing

Creative Writing

As a creative writer with over three years of experience, I craft compelling narratives that engage, inspire, and resonate with diverse audiences. My expertise lies in storytelling across multiple formats—including fiction, poetry, personal essays, and content writing—with a strong command of tone, voice, and emotional impact. I excel at developing original ideas, building immersive worlds, and bringing characters to life through vivid detail and authentic dialogue. Whether you're exploring creative writing for the first time or seeking to refine your craft, I offer thoughtful, personalized guidance to help you express your unique voice and turn your ideas into powerful stories.
Cybersecurity

Cybersecurity

As a cybersecurity professional with over three years of experience, I specialize in protecting digital systems, networks, and data from evolving threats. My expertise covers vulnerability assessment, risk management, penetration testing, and the implementation of security protocols across diverse environments. I’m well-versed in tools like Wireshark, Nmap, Metasploit, and SIEM platforms, with a strong understanding of firewalls, encryption, and access control mechanisms. Whether you're building foundational cybersecurity skills or advancing into specialized areas like ethical hacking or incident response, I provide clear, actionable guidance to help you safeguard digital assets and stay ahead in the ever-changing threat landscape.
Data Analysis

Data Analysis

As a data analyst with over three years of experience, I specialize in transforming raw data into actionable insights that drive informed decision-making. My expertise spans data cleaning, exploratory data analysis, statistical modeling, and visualization using tools like Excel, SQL, Python (Pandas, Matplotlib, Seaborn), and Power BI. I’m skilled at identifying trends, uncovering patterns, and communicating findings through clear, impactful reports and dashboards. Whether you're starting out in data analysis or aiming to sharpen your analytical thinking, I provide practical, step-by-step support to help you confidently explore data and extract meaningful conclusions.
Data Science

Data Science

As a Data Science professional with over three years of hands-on experience, I have a deep understanding of the field's principles, techniques, and applications. My expertise includes machine learning, statistical analysis, and data visualization, enabling me to tackle complex challenges and deliver actionable insights effectively. Leveraging advanced tools and methodologies, I excel at uncovering meaningful patterns in data to drive impactful decisions. Committed to continuous learning, I stay at the forefront of industry advancements, ensuring innovative, tailored solutions that meet the unique demands of every project.
Data Structures

Data Structures

As a data structures specialist with over three years of experience, I have a deep understanding of how to organize, manage, and optimize data for efficient problem-solving. My expertise includes working with arrays, linked lists, stacks, queues, trees, graphs, and hash tables, along with algorithmic techniques like recursion, sorting, searching, and dynamic programming. I’m skilled in applying these concepts in languages like Python, Java, and C++ to build robust and efficient applications. Whether you're learning the fundamentals or preparing for coding interviews, I offer clear, example-driven guidance to help you master data structures and improve your computational thinking.
Finance

Finance

As a Finance professional with four years of practical experience, I possess a strong foundation in financial analysis, corporate finance, investment management, and risk assessment. My expertise includes building financial models, analyzing financial statements, and developing strategies to optimize financial performance and growth. Leveraging advanced financial tools and frameworks, I excel at delivering data-driven insights that support strategic decision-making. Dedicated to ongoing professional development, I stay current with industry trends and regulatory changes, ensuring that every solution I provide is accurate, innovative, and tailored to meet the specific financial goals of each project.
Financial Accounting

Financial Accounting

As a Financial Accounting professional with over two years of hands-on experience, I have a comprehensive understanding of accounting principles, financial reporting, and regulatory compliance. My expertise includes preparing financial statements, managing journal entries, performing account reconciliations, and ensuring adherence to GAAP standards. With a strong attention to detail and a commitment to accuracy, I help businesses maintain transparent, reliable financial records that support sound decision-making. I stay continuously updated with evolving accounting standards and practices, delivering precise, tailored solutions that meet the diverse needs of every client and organization.
General Computer

General Computer

I have a strong foundation in general computer skills, with expertise in both hardware and software. My knowledge includes understanding computer components, operating systems, file management, and troubleshooting common issues. I am proficient in using productivity tools like Microsoft Office Suite (Word, Excel, and PowerPoint) and have experience in setting up and maintaining systems for optimal performance. Additionally, I am skilled in internet usage, email management, and basic networking concepts, making me well-equipped to handle everyday computing needs. My comprehensive understanding of general computer operations allows me to assist users effectively and ensure seamless digital workflows.
HTML

HTML

I have extensive experience in HTML (HyperText Markup Language), the foundation of web development. My expertise includes creating well-structured, semantic HTML documents to build responsive and accessible websites. I am skilled in using tags, attributes, and elements to craft layouts, integrate multimedia, and optimize content for search engines (SEO). With a deep understanding of modern HTML5 features, I can implement functionalities such as forms, canvas, and audio/video embedding. My ability to create clean, organized code ensures compatibility across browsers and devices, making me proficient in developing user-friendly and visually appealing web interfaces.
Information Technology

Information Technology

As an Information Technology professional with over three years of experience, I specialize in managing and supporting technology systems that keep organizations running efficiently. My expertise spans system administration, networking, hardware/software troubleshooting, and IT support, with hands-on experience in configuring servers, managing databases, and maintaining secure, reliable infrastructure. I’m well-versed in tools like Active Directory, Windows/Linux environments, and cloud-based platforms, ensuring seamless operations across technical environments. Whether you're entering the IT field or looking to advance your technical skills, I provide practical, real-world guidance to help you confidently manage and support modern IT systems.
Java

Java

I have comprehensive experience with Java programming, leveraging its object-oriented features to create efficient, modular, and scalable applications. My expertise includes working with core Java concepts such as classes, objects, inheritance, polymorphism, and interfaces. I am skilled in developing robust applications using Java's standard libraries, handling exception management, and performing file operations. Additionally, I have experience in building user-friendly interfaces using frameworks and ensuring code efficiency through best practices. My ability to work with Java for both standalone and distributed applications makes me proficient in solving diverse programming challenges.
Machine Learning/ AI

Machine Learning/ AI

As a Machine Learning and AI specialist with over four years of experience, I excel in designing, building, and deploying intelligent systems that solve real-world problems. My expertise includes supervised and unsupervised learning, deep learning, natural language processing, and model optimization using frameworks like Scikit-learn, TensorFlow, and PyTorch. I have a strong foundation in data preprocessing, feature engineering, and performance evaluation to ensure models are both accurate and scalable. Whether you're just starting with AI or looking to master advanced techniques, I offer practical, hands-on guidance to help you turn data into smart, actionable solutions.
Marketing

Marketing

I have extensive experience in the field of marketing, combining strategic planning with creative execution to drive brand growth and customer engagement. My expertise spans various aspects of marketing, including digital marketing, social media strategy, market research, and branding. I excel in analyzing consumer behavior and market trends to develop targeted campaigns that deliver measurable results. With proficiency in tools like Google Analytics, social media platforms, and email marketing software, I create data-driven strategies that enhance visibility and ROI. My ability to craft compelling content, optimize campaigns, and foster strong relationships with customers makes me a valuable resource for achieving marketing goals.
Microsoft Excel

Microsoft Excel

As an MS Excel expert with over two years of experience, I specialize in leveraging Excel's powerful features to simplify complex tasks and enhance productivity. My expertise includes advanced formulas, data analysis, pivot tables, charts, and automation through macros. Whether it's organizing data, creating dynamic dashboards, or solving intricate problems, I provide customized solutions tailored to specific needs. With a commitment to excellence and a passion for teaching, I empower others to maximize Excel’s potential in achieving their goals.
Microsoft PowerPoint

Microsoft PowerPoint

I am highly skilled in Microsoft PowerPoint, proficient in creating visually engaging and professional presentations. My expertise includes designing custom slide layouts, applying themes, and incorporating advanced features such as animations, transitions, and multimedia elements. I excel in organizing content to ensure clarity and impact, tailoring presentations to specific audiences and objectives. Additionally, I am experienced in integrating charts, graphs, and tables to present data effectively. My attention to detail and creative approach ensure that every presentation is polished, informative, and impactful, making me a reliable resource for high-quality PowerPoint projects.
Microsoft Word

Microsoft Word

I am highly proficient in Microsoft Word, skilled in creating well-structured and professional documents. My expertise includes using advanced features such as styles, templates, tables, and track changes to enhance document functionality and collaboration. I am adept at formatting complex documents, including reports, proposals, and academic papers, ensuring they are polished and easy to read. Additionally, I have experience in utilizing mail merge for personalized communications and embedding multimedia elements like images, charts, and hyperlinks. With a keen eye for detail, I can deliver documents that are clear, concise, and error-free, tailored to meet any professional or academic need.
Photography

Photography

I have a strong passion for photography, with experience in capturing and editing high-quality images that tell compelling stories. My expertise spans various photography styles, including portrait, landscape, macro, and event photography. I am skilled in using professional cameras, lenses, and lighting equipment to achieve the desired composition and mood. Additionally, I have proficiency in post-processing tools like Adobe Photoshop and Lightroom, enabling me to enhance and refine images for professional presentation. My attention to detail, creative vision, and technical expertise allow me to produce visually striking photographs that resonate with diverse audiences.
Physics

Physics

As a physics professional with over three years of experience, I specialize in making complex physical concepts understandable and applicable across academic and real-world contexts. My expertise spans classical mechanics, electromagnetism, thermodynamics, optics, and modern physics, with strong problem-solving skills and a deep understanding of mathematical foundations. I’m skilled at breaking down theories, solving numerical problems, and guiding learners through conceptual and experimental aspects of physics. Whether you're tackling high school physics, preparing for university-level exams, or exploring advanced topics, I provide clear, structured support to help you confidently master the laws that govern the natural world.
Project Management

Project Management

I possess extensive experience in project management, adept at leading cross-functional teams and delivering projects on time and within budget. My expertise includes project planning, resource allocation, risk management, and performance tracking to ensure successful project execution. I am skilled in using tools like Microsoft Project, Jira, and Trello to streamline workflows and enhance collaboration. With a strong focus on clear communication and stakeholder engagement, I excel in setting objectives, managing timelines, and resolving challenges efficiently. My ability to adapt to changing priorities and maintain a results-driven approach ensures the successful delivery of high-quality outcomes in any project environment.
Python

Python

As a Python expert with over three years of experience, I specialize in using Python for data analysis, automation, and programming solutions. My expertise includes core Python concepts, data structures, file handling, and libraries such as NumPy, pandas, and matplotlib. Whether it's building efficient scripts, solving complex problems, or teaching Python fundamentals, I provide tailored guidance to meet individual learning goals. With a focus on practical applications and real-world examples, I aim to make Python accessible and empowering for learners at all levels.
Quantum Physics

Quantum Physics

As a quantum physics specialist with over three years of experience, I focus on unraveling the complexities of the subatomic world through both theoretical and applied approaches. My expertise includes quantum mechanics, quantum computing, wave-particle duality, entanglement, and the mathematical frameworks that govern quantum systems. I’m proficient in using tools like MATLAB, Python (QuTiP, NumPy), and simulations to model quantum behavior and solve Schrödinger’s equation in various scenarios. Whether you're a student grappling with foundational concepts or a researcher diving into advanced topics, I offer clear, concept-driven guidance to help you master the principles and applications of quantum physics.
SQL

SQL

As an SQL expert with over three years of experience, I excel in managing and analyzing data using advanced query techniques. My expertise includes writing efficient queries, creating and optimizing databases, joining tables, and working with complex datasets. I have a strong background in SQL for data analysis, reporting, and problem-solving across various domains. Whether you're learning SQL from scratch or looking to refine your skills, I provide clear, practical guidance to help you master database management and extract meaningful insights from data.
Tableau

Tableau

As a Tableau expert with over three years of experience, I specialize in transforming raw data into interactive, visually compelling dashboards that drive business insights and decision-making. My expertise includes data connection and blending, calculated fields, filters, parameters, and advanced chart types such as heat maps, treemaps, and trend analyses. I’m skilled in translating complex datasets into clear visual stories, enabling stakeholders to explore data with ease and clarity. Whether you're just beginning with Tableau or looking to refine your dashboard design and data storytelling skills, I provide hands-on, practical guidance to help you master Tableau and deliver impactful visual analytics.
Thesis Writing

Thesis Writing

As a thesis writing expert with over three years of experience, I specialize in guiding students and researchers through the entire process of developing a strong, well-structured thesis. My expertise covers topic selection, literature review, research design, data analysis, academic writing, and proper citation using APA, MLA, or Chicago styles. I excel at helping writers clarify their research questions, build logical arguments, and present their findings with clarity and academic rigor. Whether you're starting from scratch or refining your final draft, I provide step-by-step support to help you produce a compelling and high-quality thesis that meets academic standards.
Video Production

Video Production

I have extensive experience in video production, specializing in creating engaging and high-quality visual content. My expertise includes all stages of production, from conceptualization and storyboarding to shooting, editing, and post-production. I am skilled in operating professional cameras, managing lighting and sound equipment, and directing scenes to achieve the desired visual and narrative impact. Additionally, I am proficient in video editing software such as Adobe Premiere Pro and Final Cut Pro, enabling me to add transitions, effects, and soundtracks for polished and compelling results. With a focus on creativity and technical precision, I excel at producing videos that effectively communicate messages and captivate audiences.
Macroeconomics
Managerial Accounting
Writing
Lianna R.'s Photo

Questions? Contact Lianna before you book.

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Response time: 1 hour

Ratings and Reviews

Rating

4.9 (112 ratings)
5 star
(106)
4 star
(3)
3 star
(2)
2 star
(0)
1 star
(1)

Reviews

Exceptional Tutor-Knowledgeable and Patient

Lianna is exceptionally knowledgeable and thorough with the assignments. She has made adjustments to her schedule to ensure that all assignments meet deadlines. Additionally, she demonstrates great patience, especially considering my limited knowledge in this area. Her support has been invaluable as she has helped me navigate challenging topics in both Python and PowerPoint. Overall, her commitment to my learning and her ability to explain complex concepts in an understandable way have greatly enhanced my skills and confidence in these subjects.

Sequeoia, 1 lesson with Lianna

Detailed explinations

Lianna R. explained to me in written and verbal format how to do each problem and why each problem is done that way. I plan on working with her further on other classes, including Accounting and Economics. I am extremely grateful for her help.

Andrew, 1 lesson with Lianna

Very insightful interview prep session

I had a great session focused on technical interview prep. Lianna was very knowledgeable and helped me understand key patterns for solving problems with specific data structures. I really appreciated how clearly she explained the concepts. Highly recommend!

Carmen, 1 lesson with Lianna

Very insightful interview prep session

I had a great session focused on technical interview prep. Lianna was very knowledgeable and helped me understand key patterns for solving problems with specific data structures. I really appreciated how clearly she explained the concepts. Highly recommend!

Carmen, 1 lesson with Lianna

Very insightful interview prep session

I had a great session focused on technical interview prep. Lianna was very knowledgeable and helped me understand key patterns for solving problems with specific data structures. I really appreciated how clearly she explained the concepts. Highly recommend!

Carmen, 1 lesson with Lianna

Very insightful interview prep session

I had a great session focused on technical interview prep. Lianna was very knowledgeable and helped me understand key patterns for solving problems with specific data structures. I really appreciated how clearly she explained the concepts. Highly recommend!

Carmen, 1 lesson with Lianna

Patient and knowledgeable

I’m only two lessons into learning Power BI with Lianna, and I’m already really impressed with her teaching style. She’s incredibly patient and explains everything clearly, taking the time to make sure I understand each step before moving on. Even though I’m just starting out, I never feel overwhelmed — her calm, supportive approach makes the material feel much more manageable. It’s clear that she’s focused on building a strong foundation at a comfortable pace. Highly recommend her to anyone new to Power BI!

Yacine, 8 lessons with Lianna

Knowledgeable and Patient Tutor

Needed help to understand problems from Enterprise Data Management course. Sent the problems towards her. The best part I liked was, she came for the session prepared. She went over the problems already before the meeting and it made her confident to explain me. Overall, good experience.

Salim, 1 lesson with Lianna

Knowledgable tutor that knows what she is doing

Lianna has started tutoring me and helping me with my machine learning homework. She tells you exactly what she is going to charge you for and tries to break down hard concepts for you to understand even if you are a beginner.

Robert, 3 lessons with Lianna

Knowledgeable and patient tutor

Lianna is very knowledgeable of Power BI. She was able to assist and answer the questions I had. Would contact her again if I need further assistance. She was patient and to the point. Really appreciated the assistance.

Nep, 1 lesson with Lianna
Hourly Rate: $30
Response time: 1 hour
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