U.S. M.D. Graduate - High School to Graduate Health Sciences Tutor
Ray R.

5.0 (27 ratings)

43 hours tutoring

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About Ray

Bio

I'm Ray, a passionate mentor and teacher with a deep commitment to helping students of all ages and academic levels succeed. Originally from LA, I completed my B.S. in Cognitive Psychology at UCSD, where I cultivated a strong interest in neuroscience and built a robust foundation in the biological and chemical sciences alongside cognitive psychology. I most recently completed medical school at Loyola Stritch, where I gained advanced education in biomedicine through coursework and clinical...

For over a decade, I’ve had the privilege of teaching students ranging from K-12 to adult learners in core STEM subjects, including biology, chemistry, and mathematics—covering Algebra, Geometry, Calculus, and Physics—at AP high school and college levels. These experiences have honed my ability to adapt to each student’s unique needs. My medical training further allows me to offer specialized guidance in medical sciences such as Physiology, Anatomy, Microbiology, Pharmacology, and Immunology. I’ve successfully supported students in graduate-level programs like nursing, pharmacy, and PA students.

My teaching approach focuses not only on mastering content but also on fostering critical thinking and problem-solving skills that students can carry into future academic and professional endeavors. Whether you need help with foundational concepts, preparing for exams, or tackling advanced topics, I’m dedicated to providing personalized, effective support to help you achieve your goals.

Education

UCSD
Cognitive Psychology

Loyola Chicago - Stritch SOM
MD

Policies

Hourly Rate: $49
Lesson cancellation: 1 hours notice required
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Approved Subjects

Algebra 1

I bring a strong academic background and teaching experience in math at all levels from pre-algebra and Algebra 2 to trigonometry and geometry, developed through years of rigorous academic study and tutoring experience with high school and college-level students. I have guided learners across a variety of academic stages, from AP Calculus to advanced university-level calculus for engineering and pre-medical students. I commonly help students with topics like understanding derivatives and their applications, mastering integration techniques, solving differential equations, analyzing limits and continuity, and working through optimization problems. My teaching emphasizes building a strong conceptual foundation and developing problem-solving strategies to tackle complex math problems with confidence.

Algebra 2

Anatomy

I bring a strong academic background and teaching experience in anatomy, enriched by the extensive medical education I received during my time in medical school. This clinical training allows me to translate anatomical details into high-yield test concepts and real-world clinical relevance and application, ensuring a deeper understanding of body structures and their functions. I commonly help students with topics like identifying major organ systems and their relationships, exploring detailed musculoskeletal anatomy, understanding neuroanatomy and the neural pathways, examining cardiovascular and respiratory structures, and interpreting the histological features of various tissues. My goal is to foster a solid anatomical foundation that supports future clinical and biomedical applications.

Biochemistry

I bring a strong academic background and teaching experience in biochemistry. I've completed graduate and upper-division university-level biochemistry courses covering topics like enzyme kinetics, metabolic pathways, and protein structure and function. In medical school, I deepened my understanding of biochemistry through clinical applications, such as the biochemical basis of metabolic disorders and pharmacodynamics. I commonly help students with topics like glycolysis and the citric acid cycle, nucleic acid biochemistry, signal transduction pathways, and biomolecular interactions.

Biology

I bring a strong academic background and teaching experience in biology. Having excelled in taking and teaching AP Biology and various undergraduate biology and further expanded my knowledge through medical school, I’m equipped to guide students through both foundational and advanced topics. I commonly help students with areas like cell biology structure and function, glycolysis, photosynthesis and cellular respiration, Mendelian and molecular genetics, ecological principles and biodiversity, and principles of evolution and natural selection.

Calculus

I bring a strong academic background and teaching experience in calculus, developed through years of rigorous academic study and tutoring experience with high school and college-level students. I have guided learners across a variety of academic stages, from AP Calculus to advanced university-level calculus for engineering and pre-medical students. I commonly help students with topics like understanding derivatives and their applications, mastering integration techniques, solving differential equations, analyzing limits and continuity, and working through optimization problems. My teaching emphasizes building a strong conceptual foundation and developing problem-solving strategies to tackle complex calculus problems with confidence.

Chemistry

Having completed core chemistry coursework with a strong emphasis on general and organic chemistry during my pre-medical education, I’m well-prepared to guide students at multiple academic stages. I’ve taught general chemistry to honors and AP Chemistry students, community college learners, and pre-health students needing a solid foundation in general, organic, and biochemistry. I commonly help students with topics like acid-base reactions, balancing stoichiometric equations, the ideal gas law, thermodynamics, reaction kinetics, and molecular orbital theory.

Genetics

I bring a strong academic background and teaching experience in genetics. I've completed graduate and upper-division university-level Genetics courses, mastering topics like Mendelian inheritance, molecular biology, and genetic mutations. In medical school, I deepened my knowledge in genomics and the clinical implications of various genetic disorders. I commonly help students with topics like Punnett squares, pedigree analysis, gene expression regulation, chromosomal abnormalities, and genetic recombination.

Geometry

Microbiology

Through my medical training, I developed a strong foundation in microbiology, studying both pathogenic organisms and the immune responses they provoke. I’ve since tutored students in nursing, PA, and pre-medical programs in understanding microbiological principles, from bacterial classification to virology and host-pathogen interactions. My teaching emphasizes clinical relevance and practical applications, helping students connect textbook microbiology with real-life implications in healthcare, research, and diagnostics.

Neuroscience

I hold a strong background in neuroscience, built on a cognitive psychology degree from UC San Diego and advanced medical training that emphasized neurophysiology and pathology. As an undergraduate, I conducted addiction neuroscience research, working directly with rodent models to study how behavior links to neural circuitry. My clinical experiences expanded this foundation, from evaluating stroke patients with hemispatial neglect to contributing to multimodal neuroimaging analyses for epilepsy surgical planning. Currently, as a post-doctoral research fellow in neurocognition , I analyze imaging biomarkers in Alzheimer’s disease, bridging research with clinical applications. Across research, clinical work, and nearly a decade of tutoring, I’ve honed the ability to distill complex neuroscience topics into clear, approachable lessons tailored to students of all levels.

Pharmacology

I draw upon my extensive medical education in pharmacology to demystify core concepts like drug mechanisms, therapeutic indications, and adverse effects. Over the years, I’ve worked closely with students in fields such as nursing, pharmacy, physician assistant studies, and medicine, guiding them through complex pharmacokinetics, pharmacodynamics, and common high-yield topics frequently tested on professional exams. From understanding drug-drug interactions and optimizing medication choices for diverse patient scenarios to identifying clinically relevant drug classes, I focus on practical teaching methods that simplify challenging material and prepare learners for success in both examinations and clinical practice.

Physics

I bring a strong academic background and teaching experience in physics. Through my rigorous pre-medical studies and involvement in teaching advanced math and science courses, I’ve developed the skills to guide students through both fundamental and intricate principles. I commonly help students with topics like applying Newton’s laws of motion, understanding energy and momentum conservation, analyzing wave behavior and optics, dissecting basic circuit analysis, and grasping the core concepts of thermodynamics. My approach emphasizes conceptual clarity and problem-solving techniques that build confidence and mastery.

Physiology

With my graduate-level medical education, I bring an advanced and comprehensive understanding of human physiology and pathophysiology, spanning from molecular mechanisms to the integrated functions of entire organ systems. My training allows me to bridge foundational physiology with real-world clinical scenarios, showing how structure and function dynamically interact in both health and disease. I cover a broad spectrum of topics including homeostasis, hormonal regulation within the endocrine system, cardiovascular dynamics, renal physiology and acid–base balance, respiratory gas exchange, neuromuscular physiology, immunology, gastrointestinal processes, and reproductive function. In each area, I emphasize not only the fundamental mechanisms but also their clinical implications, such as how disruptions in endocrine pathways contribute to metabolic disease, or how immune dysregulation drives inflammatory disorders. By blending the basic sciences with applied medical reasoning, I strive to make physiology both intellectually engaging and practically relevant for learners at every level.

Psychology

With a Bachelor’s degree in Cognitive Psychology and minor in Biology along with extensive tutoring experience, I provide students with clear, effective support in mastering psychology concepts. I focus on common topics like behavioral and cognitive development, brain anatomy and function, learning and memory theories, and research methodology. By breaking down complex ideas and connecting them to real-world applications, I help students build a strong foundation in psychology. My personalized approach includes targeted practice and test-taking strategies, ensuring students gain confidence and achieve success in their AP Biology or introductory psychology courses. Interestingly, as well, I spent two years volunteering within an addiction, behavioral neuroscience research lab studying rodent models.

Trigonometry

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