Visiting Committee – William H. Lewis

President and Chief Executive Officer, Insmed Incorporated

Will joined Insmed in September 2012 as President and Chief Executive Officer and as a member of the Board of Directors. Will has more than 20 years of executive experience and a track record of success in the pharmaceutical and finance industries both in the U.S. and internationally.

He is the former Co-Founder, President and Chief Financial Officer of Aegerion Pharmaceuticals, Inc. (NASDAQ: AEGR). During his tenure at Aegerion, Will played a pivotal role in re-orienting the company’s strategy to focus on orphan disease indications enabling Aegerion to go public in one of the best performing IPOs of 2010. Prior to Aegerion, Will spent more than 10 years working in the U.S. and Europe in investment banking for JP Morgan, Robertson Stephens and Wells Fargo. During his time in banking, he was involved in a broad range of domestic and international capital raising and advisory work valued at more than $20 billion.

Will holds a BA Cum Laude from Oberlin College and an MBA/JD with Honors from Case Western Reserve University. Prior to attending graduate school he worked in the Foreign Service for the US Government.