Currently, Thomas R. Cannell occupies the position of President, Chief Executive Officer & Director at Sesen Bio, Inc.

He previously occupied the position of General Manager of Merck & Co., Inc. President & Managing Director at Merck Canada, Inc. and Chief Marketing & Strategy Officer at MSD (Japan) Co., Ltd. (both are subsidiaries of Merck & Co., Inc.) and COO & President-Global Commercial Products at Orexigen Therapeutics, Inc.

He received a doctorate and an undergraduate degree from Washington State University.