besides his professorship at mit, yaffe is also attending surgeon at the beth israel deaconess medical center, a teaching hospital of harvard medical school. he is also a founder of "consensus pharmaceuticals and merrimack pharmaceuticals". he also co-founded "the dna repair company" in 2004 and serves as chairman of scientific advisory board at the company. he also serves as member of scientific advisory board of merrimack pharmaceuticals, inc. and boston biomedical research institute, inc