
Alejandro Garcia Rosselli
ExaminerIB Physics & Mathematics Tutor · IB Examiner · 25+ years
Alejandro is an IB Physics and Mathematics tutor with over 25 years of teaching experience and 15+ years inside the IB programme. As a current IB Physics HL Examiner who marks hundreds of papers each year, he knows exactly what top-scoring responses require and where students typically stumble. His personalised approach is built around each student's goals, struggles and learning style.

IB Biology & ESS Tutor · IB Examiner · 14+ years
Barbara has taught IB Biology, Environmental Systems and Societies and Geography for almost 14 years, and has been an IB Examiner since 2012. An IB graduate herself, she holds a PhD in Ecology and works as an IB coordinator, giving her a deep feel for the programme. In the last five years she has tutored almost 60 students online, with 94% improving by two points; she specialises in breaking complex concepts into manageable steps and building critical thinking.

IB Biology & ESS Tutor · IB Examiner · 10 years
Erin is an IB Biology and ESS tutor who spent 10 years teaching both courses in international schools, with classes consistently scoring above the global average, and has examined both subjects for the past eight years. She tailors her approach to each student, focusing on content mastery, memory associations and exam technique — including command terms and structuring written responses. She also offers support with IA development, time management and organisational skills.
EA
IB Chemistry Tutor · IB Examiner · 22+ years
Eleni is an experienced IB Chemistry tutor with more than 22 years of teaching and tutoring experience and a PhD in Polymer Chemistry. An accredited IBO examiner for Chemistry Extended Essays, she has guided students to top grades and places at universities including MIT, UCL, Cambridge and Imperial College. Her inquiry-based, structured approach uses real-world examples to build critical thinking and independence.
AM
Business & Economics Tutor · IB Examiner · 18+ years
Abass is a Business Management and Economics tutor with over 18 years of experience across IB World Schools and international schools. As a Business Management Paper 2 HL examiner and IA/EE moderator, he brings insider knowledge of IB assessment and a friendly, assessment-based teaching style. He adapts fluidly between student-centred and instruction-based approaches, and has supported students across the Middle East, Asia, Africa and Europe.
MB
Mariana Balastegui
ExaminerIB Economics & Business Tutor · IB Examiner · 20+ years
Mariana has been a teacher since 1994 and is an IBO examiner for Economics across multiple components. She works full-time at an international school in Buenos Aires and serves as Head of Economics at an international school in the UK, in addition to creating Economics content for Revision Village. She teaches IB Economics, IB Business Management and Spanish as a Second Language, and supervises Economics Extended Essays.
MF
IB English Lang & Lit Tutor · IB Examiner · 15+ years
Matthew is a highly skilled English educator who has worked with students at five IB schools across the globe, giving him a deep command of the IB curriculum and assessment criteria at SL and HL. He is currently an IB English Language & Literature examiner for the Higher-Level Essay and Paper 2, and has taught TOK and advised many Extended Essays. His expertise spans Paper 1 analysis, Paper 2 comparative essays, the Individual Oral and the HL Essay.
WH
IB Mathematics Tutor · IB Examiner · 15+ years
Will is a mathematics tutor with a first-class honours degree and an MA in Educational Innovation, specialising in all four IB Mathematics courses (AA and AI at HL and SL) with over 15 years of tutoring experience. A full-time teacher at an IB school, he also teaches TOK, supervises Extended Essays and CAS, and coordinates MYP Maths. As an examiner for both internal and external assessments, he shares examiner tips and breaks complex concepts into manageable steps.
Profiles are representative. You'll be matched with a tutor of equivalent calibre for your subject and level.