Phillip L. Clay PhD ’75 is stepping down as Chancellor. Clay has been Chancellor for 10 years and will return to MIT as a faculty member after a one-year sabbatical. Tech File Photo Nov. 5, 2010 Facebook Twitter Reddit Print Phillip L. Clay PhD ’75 is stepping down as Chancellor. Clay has been Chancellor for 10 years and will return to MIT as a faculty member after a one-year sabbatical. Tech File Photo