He is an assistant professor at Northwestern University's Feinberg School of Medicine in the Department of Medical Social Sciences.

[3] He did a pre-doctoral internships in clinical psychology at Massachusetts General Hospital and behavioral medicine at Harvard Medical School.

Robin Mermelstein was the chair of Newcomb's defense committee along with members Jon Kassel, Stewart Shankman, and Christian Grov.

He is an assistant professor at Northwestern University's Feinberg School of Medicine in the Department of Medical Social Sciences.

He is the Associate Director of Scientific Development for the Northwestern Institute for Sexual and Gender Minority Health and Welling (ISGMH).