DexCom Inc. appointed Quentin Blackford to the position of CFO, effective Sept. 1.

Blackford will be DexCom's principal financial officer and principal accounting officer for purposes of the Exchange Act. He replaces Kevin Sun, who will return to serve in his prior role as vice president of finance.

Most recently, Blackford served as executive vice president, CFO, head of strategy and corporate integrity at NuVasive Inc.