


Employees at Biogen rank Michel Vounatsos in the Bottom 35% of CEOs in Boston. Comparatively, employees at Ocular Therapeutix rank Antony Mattessich in the Top 5% of CEOs in Boston. Employees rate their CEO differently based on the frequency of interaction, ability to affect company culture, and drive measurable results.

CEO of Biogen
BIO: Mr. Michel Vounatsos has been the Chief Executive Officer of Biogen Inc. since January 6, 2017. Mr. Vounatsos served as the Chief Commercial Officer and Executive Vice President of Biogen Inc. since April 18, 2016 until December 2016. He is a sophisticated global business leader who has a track record of commercial success and creativity. He joined Biogen after a 20 year career at Merck, where he various positions including served as president, Primary Care Business Line and Merck Customer Centricity. Prior to this role, he held leadership positions at Merck across Europe and in China. He has been Director of Biogen Inc. since January 6, 2017. Mr. Vounatsos attended the Universite Victor Segalen, Bordeaux II, in France, receiving his C.S.C.T. certificate in Medicine. He received his M.B.A. from the HEC School of Management in Paris.

CEO of Ocular Therapeutix
BIO: Mr. Antony Mattessich has been the Chief Executive Officer and President of Ocular Therapeutix, Inc. since August 1, 2017. Mr. Mattessich serves as Managing Director of Mundipharma International Limited. He served as Regional Director of Europe Operations at Mundipharma International Limited. He has wealth of experience to Ocular Therapeutix, having held leadership roles for a number of global pharmaceutical companies across the US, Europe and Asia, including Novartis, Bristol Meyers Squibb and Merck & Co. Over the course of his career, Mr. Mattessich has developed expertise across multiple disciplines, including general management, global marketing, new product planning, R&D and business development. Mr. Mattessich was the Managing Director of one of the world's largest privately-owned pharmaceutical companies, Mundipharma. He has been a Director of Ocular Therapeutix, Inc. since June 22, 2017. He holds a Master's Degree in International Affairs from Colombia University and a Bachelor of Arts from University of California, Berkeley.

Women at Biogen rated their CEO a B-

Women at Ocular Therapeutix rated their CEO an A+

Diverse Employees at Biogen rated their CEO a B-

Diverse Employees at Ocular Therapeutix rated their CEO an A+


At Biogen, employees in the HR department rate Michel Vounatsos the highest. According to employees, Michel Vounatsos' ability to drive business results is Very Bad. At Ocular Therapeutix, the Engineering department's employees rate their CEO highest. And, 100% of Ocular Therapeutix's employees approve of their CEO's management style.