Ultragenyx Appoints Eric Olson as Chief Business Officer and Executive Vice President

Core Insights - Ultragenyx Pharmaceutical Inc. has appointed Eric Olson as chief business officer and executive vice president effective September 22, 2025, following the retirement of Thomas Kassberg [1][2] - Olson brings nearly two decades of experience in the biopharma industry, having led or supported over $15 billion in aggregate transaction value [2][3] - The company is focused on developing therapies for rare and ultra-rare genetic diseases, with a diverse portfolio aimed at addressing high unmet medical needs [4][5] Company Leadership Transition - Thomas Kassberg has contributed significantly to Ultragenyx over 14 years, helping to build the largest clinical pipeline in rare diseases [2] - Eric Olson's expertise in business development and strategic partnerships is expected to enhance the company's mission to deliver new therapies for rare diseases [2][3] Business Development Expertise - Olson previously served as CBO at Stoke Therapeutics, leading a major partnership with Biogen, and held key roles at Alnylam Pharmaceuticals and Takeda [2][3] - His background includes extensive experience in rare diseases and significant accomplishments in business development, including a $2.8 billion collaboration with Roche [2] Company Mission and Strategy - Ultragenyx is committed to accelerating innovation in rare diseases by overcoming scientific, development, and commercial challenges [3] - The company aims for time- and cost-efficient drug development to deliver safe and effective therapies urgently [5]