X4 Pharmaceuticals

David Kirske is an experienced financial executive currently serving as the Chief Financial Officer at X4 Pharmaceuticals since August 2025. Prior to this role, Kirske held the same position at Stratus Therapeutics for one year and worked as a financial strategist for biotechnology companies at Madrona Financial Consulting from August 2023 to September 2024. Kirske has extensive expertise, having served as Executive Vice President and Chief Financial Officer at CTI BioPharma from March 2017 to June 2023, and providing financial advisory services as a CFO consultant between January 2013 and September 2017. Kirske holds a Bachelor's Degree in Finance and Accounting from the University of Puget Sound, earned between January 1982 and January 1984.

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