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Thomas Kassberg

Chief Business Officer and Executive Vice President

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Thomas Kassberg - Chief Business Officer and Executive Vice President at Ultragenyx Pharmaceutical Inc.

Mr. Kassberg joined Ultragenyx in November 2011 and is responsible for leading the company’s business development and alliance management functions.

Mr. Kassberg previously worked at Proteolix, Inc., where he served as Executive Vice President of Corporate Development, overseeing business development, corporate strategic planning and legal affairs. Prior to Proteolix, he served as Senior Vice President of Corporate Development and Commercial Operations at InterMune, Inc. Mr. Kassberg was a co-founder of Plexxikon, where he served as Vice President, Business and Corporate Development. Prior to Plexxikon, he served as Senior Director of Business Development and Corporate Licensing at SUGEN until the company’s acquisition by Pharmacia. Mr. Kassberg began his career at Bristol Myers Squibb where he held a variety of positions in strategic planning, managed care sales, and financial and product analysis.

He earned a B.A. in economics and management from Gustavus Adolphus College and an M.B.A. from Northwestern University’s Kellogg School of Management.