Biodesix, Inc. announced that on May 31, 2023, Ryan Siurek informed the Company of his resignation as Chief Accounting Officer, effective July 3, 2023. The resignation is not the result of any disagreement with the Company on any matter relating to the Company's operations policies or practices. Also effective July 3, 2023, the Company appointed Christopher Vazquez to serve as Chief Accounting Officer.

Mr. Vazquez will report to the Company's Chief Financial Officer. Mr. Vazquez, who is 49 years old, has served as Vice President and Controller of the Company since February 2021. Prior to joining the Company, Mr. Vazquez held various roles at Sprint Corporation from February 2009 to October 2020, most recently as the Senior Director, External Financial Reporting.

Mr. Vazquez started his career with KPMG LLP, where he worked as a member of their audit and assurance practice for over 4 years. Mr. Vazquez holds a bachelor of science in accounting from the University of Missouri - Kansas City.