 After retiring from The New York Times, Nisenholtz transitioned to his role as "Senior Advisor" to the company and was appointed an Adjunct Professor at the Columbia University Graduate School of Journalism, where he co-taught the "Business of Journalism" class with Professor Adam Klein.In January 2014, he joined Firstmark Capital as a venture partner.In January 2015, he was appointed Professor of the Practice, Digital Communications, at Boston University's College of Communication (COM).