Justin Chakma has served as the Chief Business Officer of ARS Pharma since June 2019. From May 2018 to May 2019, Mr. Chakma served as VP, Head of Business Development and Strategy at Vedanta Biosciences, a biotechnology company developing medicines to modulate immune responses. Before that, from November 2015 to May 2018, he was a Senior Director of Business Development at Celgene Corporation (formerly Nasdaq: CELG) (acquired by Bristol-Myers Squibb Company).

Prior to joining Celgene, Mr. Chakma held various roles in biotech and pharmaceutical business development, financing and investments at Receptos, Inc. (formerly Nasdaq: RCPT) (acquired by Celgene), Auspex Pharmaceuticals, Inc. (formerly Nasdaq: ASPX) (acquired by Teva Pharmaceutical Industries Ltd.), and Thomas, McNerney & Partners, a venture capital firm. Mr. Chakma holds an M.B.A. from the Wharton School of the University of Pennsylvania, and bachelor degrees in neuroscience and economics from the University of Toronto.