ÂÜÀòÂÒÂ×

Quentin Blackford has served as a member of the board of directors since July 2022. Mr. Blackford currently serves as the President and Chief Executive Officer at iRhythm Technologies (NASDAQ: IRTC), a leading digital healthcare solutions company. Prior to iRhythm Technologies, Mr. Blackford served at Dexcom, Inc. from 2017 to 2021, first as Chief Financial Officer and then as Chief Operating Officer. Prior to Dexcom, Mr. Blackford served at Nuvasive, Inc. from 2009 to 2017, including as Chief Financial Officer and as Head of Strategy and Corporate Integrity from 2014 to 2017. Prior to 2009, Mr. Blackford served at Zimmer Biomet, Inc. (NYSE: ZBH) in various senior financial leadership positions. Since October 2017, Mr. Blackford also serves as a member of the board of directors of Alphatec Holdings, Inc. (NASDAQ: ATEC), where he serves on the compensation committee and audit committee. Mr. Blackford is a Certified Public Accountant (inactive) and received dual Bachelor of Science degrees in Accounting and Business Administration from Grace College.