A-Level & GCSE Chemistry & Biology Prep | PhD Scientist Tutor

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From 48.99 £ /h

Struggling with GCSE or A-Level Biology and Chemistry? You are not alone—and there is a much more strategic way to prepare.

At first, Jack, an A-Level student, felt completely lost amid complex biological cycles and intricate organic chemistry equations. Between memorizing mechanism pathways and understanding cellular respiration, he often wondered, "How am I supposed to retain all of this for exam day?"

That changed when Jack joined my tutoring sessions. With over 10 years of educational experience and a Ph.D. in Chemistry from a top US research institution, I use a highly tailored framework designed to unlock complex topics. Together, we broke down advanced concepts into logical steps, connected interconnected chemical reactions, and visualized complex biological pathways until they clicked. Jack didn't just memorize the material; he mastered the underlying principles, walking into his exams confident, calm, and prepared.

Imagine seeing biology and chemistry as manageable, structured, and fascinating subjects—not just a daunting list of isolated facts. My sessions go beyond rote learning, ensuring you understand exactly how topics fit into the bigger picture.

Whether you are aiming to secure top GCSE grades or pushing for an A/A* in your A-Level exams to enter your target university, I will guide you every step of the way using evidence-based techniques that simplify the most rigorous syllabi.

Ready to unlock your full potential in the sciences? Book a session today, and let's experience the difference that true understanding makes. I offer flexible scheduling across time zones—simply propose a few dates and times, and we will find the perfect slot.

Extra information

Exam Board Alignment: My lessons are tailored precisely to the specific requirements of the major UK examination boards, including AQA, OCR, and Edexcel. We focus heavily on decoding exam mark schemes so you know exactly how to pick up maximum marks.

Advanced Study Assets: To maximize your revision efficiency outside of class, I provide professionally structured, high-resolution study guides formatted in LaTeX, alongside custom spaced-repetition frameworks (like Anki) to make tracking complex formulas and vocabulary effortless.

First Lesson Onboarding: For our first session, please bring a list of the topics, past papers, or specific modules you find most challenging. Together, we will diagnose your current baseline and build a bulletproof, personalized study roadmap.

The Power of 1-on-1 Mentorship: Real, measurable academic improvement happens when a tutor uncovers how you independently problem-solve. By stepping away from the crowded classroom layout, you receive targeted guidance that guarantees faster, more resilient results.

Location

Online from Ecuador

About Me

PhD Scientist | GAMSAT Physics & Chemistry | Bioinformatics & Data Science (R/Tidyverse).

My passion for mentoring started early, but it has grown into a professional commitment to helping students master complex scientific subjects. As a US-trained PhD researcher, I bring both deep academic knowledge and real-world application to every lesson.

I thrive in one-on-one environments because it allows me to understand exactly how you think when tackling a difficult concept or exercise. Rather than just giving you the answer, my goal is to identify the root cause of your learning hurdles and reverse-engineer a highly customized study plan based on your specific interests.

To ensure our sessions translate into true understanding, I provide professionally structured, screen-sharing-friendly study materials, including custom LaTeX workbooks and evidence-based retention systems like Anki. Whether you need rigorous preparation for university chemistry, specialized support for the Biology, Physics and Chemistry sections of the GAMSAT (Section III), or mentorship in bioinformatics and data science using R, my teaching is tailored to your exact goals.

The most rewarding part of this process is seeing your confidence and competence grow. Because building a solid, lasting foundation takes dedication, I specialize in working with students who are committed to a continuous, multi-session learning journey to achieve the absolute best results. Let's trace your path to success together.

Education

Ph.D. in Chemistry | University of Maryland, Baltimore County (UMBC), USA
Rigorous doctoral training at a US research institution. This advanced background allows me to confidently guide university students through highly complex material, from advanced chemical principles to molecular modeling and computational biology.

Bachelor of Science (B.Sc.) in Chemistry | San Francisco University of Quito (USFQ), Ecuador
A comprehensive foundational degree emphasizing analytical problem-solving and the physical sciences.

Specialized Training in Virtual Pedagogy & Remote Instruction
Formally trained in digital teaching methodologies. I design dynamic, screen-sharing-friendly virtual lessons using advanced educational tools—such as custom LaTeX workbooks and structured digital frameworks—to ensure remote learning is just as effective as in-person instruction.

Experience / Qualifications

10+ Years of Scientific Instruction: Over a decade of experience teaching complex scientific disciplines to a diverse range of students, from university undergraduates to transitioning professionals.

Core Subject Expertise: Deep instructional background in Medical Biochemistry, General Chemistry, and Organic Chemistry, bridging the gap between theoretical science and practical applications.

High-Stakes Exam Preparation: Specialized focus on preparing students for rigorous medical entrance exams, particularly the biology, chemistry and physics components of the GAMSAT (Section III).

Professional Mentorship: Active experience mentoring professionals transitioning into computational biology, teaching advanced data science workflows including R and Python

Age

Teenagers (13-17 years old)

Adults (18-64 years old)

Student level

Beginner

Intermediate

Advanced

Duration

60 minutes

90 minutes

120 minutes

The class is taught in

Spanish

English

Skills

Chemistry

Availability of a typical week

(GMT -04:00)

New York

Online via webcam

Mon

Tue

Wed

Thu

Fri

Sat

Sun

00-04

04-08

08-12

12-16

16-20

20-24

Premium GAMSAT Section III Preparation (Chemistry, Biology, Physics) by US-Trained PhD

48.99 £ /h

Are you preparing for the GAMSAT and feeling overwhelmed by Section III?

The Reasoning in Biological and Physical Sciences section is not a standard university science exam—it is a rigorous test of critical thinking, pattern recognition, and data interpretation under immense time pressure. To excel, you need more than just rote memorization; you need a strategic approach to problem-solving.

As a US-trained Ph.D. Scientist with over 10 years of teaching experience, I specialise in transforming complex scientific concepts into clear, manageable, and highly understandable lessons. My background spans advanced Chemistry, Medical Biochemistry, and Computational Biology, allowing me to seamlessly guide you through the toughest biology, chemistry, and physics questions the GAMSAT throws at you.

What you will learn & My Methodology:
🎯 Strategic Thinking: We move beyond simple memorization. I will teach you how to analyze complex questions critically, interpret data rapidly, and extract key information from dense scientific passages.
🔬 Solid Scientific Foundation: We will build and reinforce the essential principles of Physics, General/Organic Chemistry, and Biology, tailored exactly to the depth required by the GAMSAT syllabus.
📚 Advanced Learning Tools: I provide professionally structured, screen-sharing-friendly study guides formatted in LaTeX. Furthermore, we will implement evidence-based retention systems like Anki (spaced repetition) to ensure you permanently retain complex metabolic pathways and physics formulas for exam day.
💡 Simplifying the Complex: I break down intimidating topics into easy-to-understand segments using visual aids and interactive exercises to maximize your retention and minimize study fatigue.

Medical Biochemistry by US-Trained PhD | Pre-Med & University Students

66.6 £ /h

Struggling to make sense of biochemistry? You are not alone—and there is a highly structured, better way to learn.

With over 10 years of teaching experience and a Ph.D. in Chemistry from the University of Maryland, Baltimore County, I know exactly how overwhelming biochemistry can feel. My sessions go beyond rote memorization to give students a true structural understanding, rooted in practical application and clinical cases.

One of my recent pre-med students initially found it impossible to connect pathways like glycolysis and the Krebs cycle. Through our sessions, she began seeing the bigger picture, visualizing how each molecule and enzyme plays a critical role in health, disease, and cellular metastasis.

Whether you are tackling enzyme kinetics, protein-ligand interactions, or complex metabolic processes, I combine deep knowledge from my active research in computational biology with a teaching approach that makes each concept clear and memorable. This is not just tutoring; it is an opportunity to truly master medical biochemistry.

Ready to transform your understanding? Let’s work together to make biochemistry not just manageable, but fascinating. I have a flexible schedule—book a first class to discuss what you are struggling with, and I will design a personalized curriculum to help you conquer even the most complex concepts.

📚 Ready? Book your class today.

Raef

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The courses of Mathematics - Analysis - Matrices - Statistics - Algebra - Geometry - Physics - Mechanics - Electricity - Chemistry - Organic Chemistry - Biology, Geology of the French or European French or English programs (Secondary or university levels) are given by explanations either in depth or by a rapid course and summary of essential need according to the case of each student supported by exercises from the book or by evaluations and exams from other high schools.
My experience is too long and for years, I have learned methods for each case and for each student to fill their gaps with the best results of Excellent, Very Good, and Good as mentioned by my students.
I can also help students to better prepare for courses and support them to better prepare for the duties of CNED in science subjects.

Mavi

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I am Mavi, a physics engineer working at an aerospace company.
I have been teaching private lessons at the primary, secondary, high school, and university preparatory levels for 11 years. I teach mathematics, physics, chemistry, and science. I have a good command of the curricula of IB, IGCSE, American, Hong Kong, and international schools.

Additionally, I hold the position of president at the Astronomy Society, where I foster my students' interest in astronomy and science beyond the lessons. I prepare the learning environment by incorporating experiments and exploration, moving away from rote education. I often bring experimental materials to class, aiming to make learning memorable through hands-on experiments.

As an educational mentor, I approach my students as if they were my siblings, valuing creativity. I have a deep passion for mathematics, physics, and science. I am dedicated to helping students understand and learn because life encompasses both SCIENCE and ART. The more people I can inspire to know, understand, and love mathematics, physics, and chemistry, the more proud I am.

Are you curious about how nature works?

Let's explore together!

Mohamed

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I give lessons in organic chemistry and general chemistry for all school levels at home and online
CVs, courses and exercises are available, I can be reached immediately, do not hesitate to contact me if you want to improve your level in science (math, physics, general chemistry and organic chemistry in particular)
I use several strategies and pedagogies (differentials, projects, group games, etc.) according to the needs of my students. I also use the links between science and our daily lives to attract and adore learning in my little angels. .

Emmanuel

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I specialise in tutoring and guiding students to attain their maximum educational potential in engineering and science units. Students with very strong science foundation are the bedrock for the future's technological advancements. With homeworks after every class to get them familiarised with the lesson of the day and prepare them for the next, I can assure you that they are in safe hands.

Prashil

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Welcome to my Foundation Course in Science and Maths, specially designed for primary, secondary, and high school students in Amsterdam. This course aims to build a strong foundation in these critical subjects, ensuring students excel academically and develop a genuine love for learning.

My teaching approach is focused on making learning enjoyable and engaging. I incorporate interactive activities and hands-on experiments to bring Science and Maths concepts to life. By involving students in these dynamic learning experiences, I aim to transform abstract concepts into tangible understanding. Each session is thoughtfully designed to keep students interested and motivated, minimizing fatigue and maximizing retention.

I believe in simplifying complex topics, breaking them down into easy-to-understand segments. This approach helps students grasp and retain challenging concepts with ease. Techniques such as mnemonic devices, visual aids, and real-life examples are integral to my method, ensuring that formulas and concepts are not just memorized, but truly understood.

Regular assessments are conducted to track student progress and identify areas needing improvement. These tests also prepare students for their school exams, ultimately boosting their confidence. I understand the importance of keeping parents informed and involved in their child’s academic journey. That's why I provide weekly reports detailing their child’s progress, strengths, and areas for improvement. This continuous feedback loop ensures that parents are aware of their child’s development and can support their learning at home.

Encouraging words and positive feedback are integral to my teaching method. I strive to build students' self-confidence and to instill a love for learning through positive reinforcement. Setting achievable goals for each student, I celebrate their successes and motivate them to strive for excellence. This goal-setting approach not only drives academic success but also fosters a sense of accomplishment and self-worth.

As a tutor, my satisfaction comes from seeing my students excel and reach their full potential. My ultimate goal is to empower students with the knowledge and skills they need to succeed in Science and Maths. I am always available to support my students, offering additional help and resources as needed to ensure their success.

I foster an open environment where students feel comfortable asking questions, no matter how simple they may seem. This curiosity drives deeper understanding and encourages a proactive approach to learning. By incorporating games, puzzles, and interesting activities, I ensure that learning remains fun and engaging, keeping students excited about the subjects.

Join my Foundation Course in Science and Maths and watch your child develop a strong foundation, confidence, and a genuine love for these essential subjects. Let’s work together to achieve academic excellence and make learning a fun and rewarding experience. “Excel in Subjects, Soar in Confidence!”

Victor

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Hi, I'm Victor. I can help you in mathematics and add mathematics throughout junior and senior high school. I have 12 years of tutoring experience and now I want to help students around the world achieve better grades in school. I'll give my best support even after lecturing sessions, whenever you need it. Let me help you reach your goals in your math subject. 😄

Nathan

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As a dedicated PhD student in biochemistry at EPFL, I offer personalized tutoring in chemistry and biochemistry for students at high school, university, or master’s level. Whether you’re preparing for exams, struggling with complex concepts, or aiming to deepen your understanding, I tailor each session to your goals and learning style. With a strong academic background and a passion for teaching, I strive to make science approachable, engaging, and relevant. My approach emphasizes clear explanations, critical thinking, and practical examples to help you build confidence and excel in your studies.

Eugene

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I am a 2021 IGCSE graduate and a 2023 IB graduate, now studying Veterinary Medicine at the University of Edinburgh. Having recently completed these programmes myself, I understand the challenges students face and how to overcome them effectively.

With 2 years of experience teaching the IGCSE and IB syllabus, I specialize in helping students master subject content, strengthen exam techniques, and build confidence. My lessons are tailored to each learner’s pace and goals, ensuring steady progress and measurable results.

What I offer:
- IB & IGCSE syllabus coverage across core and extended levels
- Exam preparation with past paper practice and detailed feedback
- Structured guidance for Internal Assessments (IA), Extended Essays (EE), and coursework
- Study and time-management strategies designed to reduce stress and boost performance
- A supportive, relatable learning environment from someone who has recently been through the same exams successfully

Inês

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I offer clear, structured tutoring in Mathematics, Chemistry, and Physics, supporting students with both content mastery and exam success at Advanced Subsidiary and Advanced Level (AS and A-Level), for both Edexcel and Cambridge. My lessons focus on clear explanations and the core ideas behind each topic, so things actually make sense.

For exam preparation, I shift focus to exam technique: you'll learn how mark schemes work, how answers are graded, and how to phrase responses clearly so you don’t lose marks because of wording, even when you know the content.

Dr.

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I offer personalized online tutoring (via teams , Zoom or Google Meet) and in-home sessions for students of all ages and levels. My lessons are designed to be interactive, creative, and tailored to each learner’s needs, ensuring active engagement and lasting understanding.

With a Ph.D. in Science and 10+ years of teaching experience, I provide flexible session lengths (1-2 hours) and adapt my methods—whether through discussions, multimedia, or hands-on examples—to make complex topics accessible and exciting. Let’s make learning both effective and enjoyable!

Course Subject:
Biology: Biotechnology, Biochemistry, Immunology, Cell and Molecular Biology, Molecular Genetics, Anatomy and Physiology of animals and plants

Chemistry—comprehensive coverage of all five core disciplines to ensure a holistic understanding of the molecular world.

Organic Chemistry: Reaction mechanisms, stereochemistry, synthesis planning, and nomenclature.

Inorganic Chemistry: Coordination chemistry, periodicity, molecular symmetry, and bio-inorganic systems.

Physical Chemistry: Thermodynamics, quantum chemistry, kinetics, and electrochemistry.

Analytical Chemistry: Spectroscopy (NMR, IR, UV-Vis), chromatography, method validation, and data interpretation.

Biochemistry: Enzyme kinetics, metabolic pathways, protein structure, and bioenergetics.

Course Level: Tailored for High School (IB/AP/A-Levels), University/College (Undergraduate & Graduate), and Adult Learners seeking to strengthen fundamentals or prepare for competitive exams.

Location of the Lessons: Live, interactive, and high-quality sessions delivered online—learn from home in the Netherlands or anywhere worldwide, Face to face- at your home or at my place.

Abdullah

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I provide simple and engaging science lessons for students from Grade 4 to Secondary Grade 11, focusing on simplifying concepts and connecting lessons to real-life examples.

I help students:

Understand lessons easily
Improve academic performance
Solve assignments and exercises
Prepare for exams
Develop critical thinking and curiosity

Lessons are interactive and adapted to each student’s level, using simple examples and activities to make learning easier and more enjoyable.

Available subjects:

General Science
Biology
Basic Chemistry
Basic Physics

Online lessons with continuous student support.

Kevin

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Swiss-Focused Mathematics, Physics & Chemistry Tutoring – Passerelle, BMS, Berufsmaturität, Matura, Fachmaturität, QV & Adult Education

This class is designed for students and adult learners in Switzerland who want serious, structured and exam-focused support in Mathematics, Physics and Chemistry. The main focus is preparation for Passerelle, BMS, Berufsmaturität, Matura, Fachmaturität and QV/final apprenticeship exams, as well as support for learners in adult education who are returning to study, changing career direction or preparing for a new academic path.

What makes my tutoring different is the strong connection to the Swiss education system. I completed my master’s degree at a University of Applied Sciences in Switzerland and have many years of experience teaching students in Switzerland. This means my lessons are not generic international tutoring. They are built around Swiss school expectations, Swiss exam styles, Swiss curricula and the specific challenges faced by learners in Switzerland.

➜ Special focus on Passerelle preparation
The Passerelle is one of the most demanding Swiss pathways because it requires strong discipline, independent thinking and solid exam technique. I help students prepare systematically in Mathematics, Physics and Chemistry by working through the required theory, typical task types, old exams and exam-style practice.

➜ BMS and Berufsmaturität support
For BMS and Berufsmaturität students, I provide structured help in Mathematics, Physics and Chemistry, depending on the programme and exam requirements. We focus on building strong foundations, closing gaps and applying methods correctly in exam situations.

➜ Matura and Fachmaturität preparation
I support students preparing for Matura and Fachmaturität exams with clear explanations, relevant exercises and a structured learning plan. The lessons help students understand difficult topics, organize their knowledge and gain confidence before important assessments.

➜ QV / final apprenticeship exam preparation
Many vocational students need Mathematics, Physics or Chemistry for their QV/final apprenticeship exams, especially in technical, scientific, laboratory, healthcare or engineering-related fields. I help students connect theory with practical calculations and exam-style tasks.

➜ Adult education and returning learners
I also work with adult learners who are returning to education after a break, preparing for Passerelle, Berufsmaturität, Fachmaturität, QV or further studies. Adult learners often need a clear, respectful and efficient teaching style. I explain from the foundation upward, without judgment, and help rebuild confidence step by step.

➜ Mathematics, Physics and Chemistry taught with equal seriousness
The focus is not only Mathematics. Physics and Chemistry are also important, especially for Passerelle, Matura, Fachmaturität, technical BMS directions, QV exams and later studies. I explain formulas, concepts and calculations clearly so students understand the logic behind the subject.

➜ Old exams and Swiss-style practice
Where suitable, I use old exams, typical Swiss exam questions and realistic practice material. Students learn how questions are asked, how to recognize the correct method, how to structure their solutions and how to avoid common mistakes.

➜ Clear step-by-step method
Every task is approached with a simple structure: What is given? What is required? Which formula, law or method is suitable? Why does it apply? Then we solve the task step by step with all formulas, calculations and explanations.

➜ Why choose a Swiss-focused tutor?
Many tutors may know Mathematics, Physics or Chemistry, but Swiss exams often have their own wording, structure and expectations. Because I studied in Switzerland and have taught Swiss students for years, I can prepare learners in a much more targeted and relevant way.

➜ For serious students who want real progress
This class is ideal for students and adult learners who want to pass an important exam, improve their grades, close knowledge gaps, prepare for further studies or gain more confidence in Mathematics, Physics and Chemistry.

➜ Success-oriented preparation
My goal is to help students build real understanding, not just short-term memorization. With clear explanations, structured practice, old exam material and consistent preparation, students can develop the confidence and exam technique needed to perform at their best.

Judi

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I’m a Mechanical Engineering student with a strong background in chemistry and problem-solving. I help students understand chemistry in a simple and structured way by breaking down difficult concepts into clear steps. My lessons focus on building real understanding rather than memorization, helping students improve confidence, homework performance, and exam results. I can assist with topics such as chemical reactions, stoichiometry, balancing equations, atomic structure, and general high school chemistry while adapting lessons to each student’s pace and needs.

Online lessons available with flexible scheduling.

Kristina

4.73

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Life Sciences are intertwined with each other- Biology and Chemistry to Physics and Maths. A strong comprehension of atomic principles will allow students to see links between taught disciplines and support their successes not only in Chemistry, but in all related subjects!

One of my principles is integrating taught metrical into the skill of writing exams and approaching in-class assessments! We will go step-by-step through the annual curriculum and identify areas of knowledge based on the amount of attention we would need to dedicate to them.

Joel

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Are you struggling with mathematics, physics or chemistry? Or do you want to improve your grades and gain confidence before an exam?

I offer personalized tutoring for students of all levels. My focus is not simply solving exercises together, but helping students truly understand concepts and develop problem-solving skills they can apply independently.

Every lesson is adapted to the student’s individual needs, learning style and goals. Whether you need help with homework, exam preparation, difficult topics or long-term academic improvement, lessons are tailored specifically to you.

I can help with:

• Mathematics (Algebra, Geometry, Functions, Trigonometry, Statistics, Probability and more)
• Physics (Mechanics, Electricity, Energy, Forces, Optics and more)
• Chemistry and other science subjects
• Exam preparation and study strategies
• Homework support and problem solving
• Learning techniques and efficient study methods

Unlike many tutors, I can also create personalised learning resources tailored to each student. These may include summaries, cheat sheets, learning cards, study plans, practice exercises and exam preparation materials designed around your current knowledge and learning objectives.

My goal is not only to help students pass exams, but to build confidence, independence and a genuine understanding of the subject.