Justin Rosenstein
Justin Rosenstein Born Justin Michael Rosenstein (1983-05-13) May 13, 1983 (age 31) Alameda County, California, U.S. Alma mater Stanford University Occupation Software programmer, entrepreneur Known for Co-founder of Asana Justin Michael Rosenstein (born May 13, 1983) is an American software programmer and entrepreneur, who co-founded the collaborative software company Asana.