Mak holds Honorary Doctoral Degrees from numerous universities in North America and Europe. He is an Officer of the Order of Canada and has been elected a Foreign Associate of the National Academy of Sciences (USA) as well as a Fellow of the Royal Society of London (UK.) He has won international recognition in the forms of the Emil von Behring Prize, the King Faisal Prize for Medicine, the Gairdner Foundation International Award, the Sloan Prize of the General Motors Cancer Foundation, the Paul Ehrlich and Ludwig Darmstaedter Prize and the Novartis Prize in Immunology.