Executive Management

John A. Scarlett, M.D.

Chairman of the Board, President and Chief Executive Officer

Olivia K. Bloom

Executive Vice President, Finance, Chief Financial Officer and Treasurer

Melissa A. Kelly Behrs

Executive Vice President and Chief Business Officer

Andrew J. Grethlein, Ph.D.

Executive Vice President and Chief Operating Officer

Aleksandra Rizo, M.D., Ph.D.

Executive Vice President and Chief Medical Officer

Stephen N. Rosenfield, J.D.

Executive Vice President, Chief Legal Officer and Corporate Secretary