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Leonard (Len) Brooks joined Regeneron in 2013 and serves as senior vice president, treasurer. Mr. Brooks leads a team responsible for optimizing liquidity and use of capital resources, safeguarding Regeneronā€™s cash and investment portfolio, corporate risk management and maintaining strong relationships with financial institutions, insurance providers and rating agencies. Prior to joining Regeneron, Mr. Brooks worked in public accounting at Deloitte before moving to treasury, where he held various positions of increasing responsibility at both mid- and large-sized companies, including Wyeth, Medco Health Solutions, Reliant Pharmaceuticals, The Childrenā€™s Place and Hayward Industries. Mr. Brooks received both a B.S. and an MBA from Rutgers University.