Our Leadership

Richard Peters, M.D., Ph.D. has served as our President and Chief Executive Officer since February 2017. Dr. Peters previously served as Senior Vice President and Head of Global Rare Diseases at Sanofi Genzyme, where he was responsible for a global, $3 billion per year business with 10 commercialized products and a multi-product development pipeline focused on several therapeutic areas. He also served as Head of Japan and Asia Pacific for Specialty Care (Oncology, Rare Diseases, Immunology, and Multiple Sclerosis) at Sanofi Genzyme. He is an expert in the field of Oncology, having previously served as Division Medical Officer at Sanofi Oncology, and is the former Head of Global and US Medical Affairs at Genzyme Transplant/Oncology. He has also served as a Senior Director at Onyx Pharmaceuticals, as a Director at Amgen, and as Chief Executive Officer of Mednav, a venture capital-backed healthcare information technology start-up. Dr. Peters is a Harvard-trained physician-scientist, and has served on the faculty at the Massachusetts General Hospital and completed a Howard Hughes Medical Institute Fellowship in biophysics at Harvard Medical School. He is also an active founder and angel biotech investor in start-up biopharmaceutical companies.

Daryl C. Drummond, Ph.D. has served as our Head of Research since March 2017. Dr. Drummond served as our Vice President of Discovery from July 2014 to March 2017 and our Senior Director of Nanotherapeutics from October 2009 to July 2014. Previously, Dr. Drummond was Director of Liposome Research and Development at Hermes BioSciences, Inc., a biotechnology company that was acquired by Merrimack in October 2009. Prior to joining Hermes BioSciences, Inc. in 2000, Dr. Drummond was a post-doctoral fellow at California Pacific Medical Center, where he focused on lipid-based drug delivery systems. Dr. Drummond is a principal inventor for many of Merrimack’s nanotechnology-based drugs and platform technologies, including ONIVYDE®, which Merrimack sold to Ipsen S.A. in April 2017. Dr. Drummond holds a Ph.D. in biochemistry and a B.S. from Indiana University.

Ellen K. Forest has served as our Head of Human Resources since May 2017. Ms. Forest previously served as a Director of Human Resources at Baxalta, a global biopharmaceutical company, from January 2016 to July 2016. From January 2014 to December 2015, Ms. Forest held leadership positions in Human Resources at Partners HealthCare System, Inc., a not-for-profit healthcare system affiliated with Harvard Medical School. From January 2013 to July 2013, Ms. Forest served as Director at Dovetail Health, a provider of medication management solutions. From 2006 to January 2013, Ms. Forest served as Director of Human Resources at TA Associates Management, LP, a private equity firm. Ms. Forest holds an M.S. in human resources management and a B.S. from Emmanuel College.

Jean M. Franchi has served as our Chief Financial Officer and Treasurer since August 2017. Ms. Franchi previously served as Chief Financial Officer, Treasurer and Secretary at Dimension Therapeutics, Inc., a biotechnology company, from August 2015 to July 2017. From February 2012 to July 2015, Ms. Franchi served as Chief Financial Officer at Good Start Genetics, Inc., a molecular genetics information company. From 1995 to 2011, Ms. Franchi held various positions at Sanofi Genzyme, a global pharmaceutical company, including Senior Vice President of Corporate Finance, Senior Vice President of Business Unit Finance, Vice President of Finance and Controller, Product Line and International Group. Ms. Franchi holds a B.B.A. from Hofstra University and successfully completed the Uniform CPA Examination.

Jeffrey A. Munsie has served as our General Counsel since January 2013, as our Head of Corporate Operations since March 2017 and as our Secretary since August 2011. Mr. Munsie served as our Corporate Counsel from February 2011 to January 2013. Previously, Mr. Munsie was Counsel in the corporate department at Wilmer Cutler Pickering Hale and Dorr LLP, a law firm, where he practiced from 2002 to January 2011. Mr. Munsie holds a J.D. from Harvard Law School and an A.B. from Dartmouth College.

Thomas E. Needham, Jr. has served as our Chief Business Officer since July 2017. Mr. Needham previously served as Senior Vice President of Business Development at C4 Therapeutics, Inc., a biotechnology company, from February 2016 to July 2017. From 2007 to January 2016, Mr. Needham served as Managing Director at Synthesis Capital, a venture capital firm. From 2002 to 2007, Mr. Needham served as Principal at Advent International Corporation, a private equity firm. Prior to 2002, Mr. Needham held various business development roles at GPC Biotech Inc., Mitotix, Inc. and Immulogic Pharmaceutical Corporation, all biotechnology companies. Mr. Needham holds an M.B.A. from the F.W. Olin Graduate School of Business at Babson College and a B.A. from Bowdoin College.

Sergio L. Santillana, M.D., MSc has served as our Chief Medical Officer since June 2017. Dr. Santillana previously served as Vice President of Clinical Research at ARIAD Pharmaceuticals, Inc., a pharmaceutical company, from March 2016 to June 2017, and as Chief Medical Officer at ARIAD from May 2016 to June 2017. From August 2014 to March 2016, Dr. Santillana served as Senior Medical Director and Global Clinical Lead of Oncology Clinical Research at Takeda Pharmaceuticals International, Inc., a global pharmaceutical company. From 2006 to August 2014, Dr. Santillana served in various capacities at GlaxoSmithKline plc, a global pharmaceutical company, including as Global Project Physician Leader and Director of Clinical Development from February 2012 to August 2014. Dr. Santillana also served as a Clinical Research Physician for Eli Lilly and Company, a global pharmaceutical company, from 2002 to 2006. Dr. Santillana was also a practicing medical oncologist for 15 years, first at the National Cancer Institute of Peru (INEN) from 1994 to 2002, and then in private practice from 2002 to 2006. Dr. Santillana holds an M.S. in experimental therapeutics from Kellogg College at the University of Oxford and an M.D. and B.S. from the Universidad Nacional Federico Villarreal School of Medicine.