I agree, one of the best teachers I ever had! Marvin is extremely professional, commited and dedicated to his students, in just one hour we were able to go over so many things that I feel really like I got the most from this hour, let alone the fact that this was just the first time we met. I also appreciate that he targeted the lesson for me, so I was doing something were useful, and he had great ideas too. I like his approach also because he goes deeply into everything. Thank you for your great job, see you soon!
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