English as a Foreign Language (EFL) tutor for Polish, Russian, and Spanish speakers; qualified teacher (PGCE, QTS) with 20 years of experience; London & online.

We've been using Marcin for my son's math tuition for 2 years now. My son has shown a huge progress from a B to an A* level.
My son likes him very much, is motivated and has shown more interest and enthusiasm in maths.
I can say that Marcin is a responsible individual who is always ready to cooperate and accomodate student's needs. He is very good at assessing my son's individual strengths and weaknesses and provides a well structured learning plan. Marcin is very organised and works well to schedule maintaining a correct balance of responsibility between the student and himself.

Marcin is a reliable professional with a great and profound knowledge of mathematics. On a one-to-one basis it is possible to improve greatly with him and he is good at developing work strategies. My experience is of an adult learner with poor foundations which he has managed well. Occasionally might need a gentle reminder of time frame when working towards exams or qualifications.