DexCom Inc - Company Profile
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The following section provides information on DexCom Inc’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into DexCom Inc's management and employees, unlock the full data with our company analytics monitoring tool.
Executives
Kevin R. Sayer
Chairman Executive BoardMr. Kevin R. Sayer has been the Chairman of the company since 2018. He served as the Chief Executive Officer and President of the company since 2015. Previously, he served as the Chief Operating Officer of the company from 2013 to 2015. Prior to this, Mr. Sayer served as the Chief Financial Officer at Biosensors International Group, Ltd. from 2007 and 2010. Earlier, he served as the Executive Vice President and Chief Financial Officer at Specialty Laboratories, Inc. from 2004 to 2005.
Jacob S. Leach
Chief Executive Officer; President; Director Executive BoardMr. Jacob S. Leach has been the Director, President, and Chief Executive Officer of the company since January 2026. He served as Interim Principal Executive Officer and Chief Operating Officer of the company since 2025. Prior to this, he served as the Chief Technology Officer, the Executive Vice President, and Senior Vice President of Research and Development of the company. Mr. Leach has also served as the Vice President of Research and Development of the company.
Jereme M. Sylvain
Chief Financial Officer; Executive Vice President Senior ManagementMr. Jereme M. Sylvain has been the Executive Vice President and Chief Financial Officer of the company since 2021. Prior to this, he served as Senior Vice President and the Chief Accounting Officer of the company since March 2020. Prior to that, he served as the Vice President, Corporate Controller and the Chief Accounting Officer at NuVasive, Inc. Mr. Sylvain also served at Thermo Fisher Scientific, Invitrogen and Ernst & Young LLP.
Peter C. Simpson
Executive Vice President; Chief Technology Officer Senior ManagementMr. Peter C. Simpson has been the Executive Vice President and Chief Technology Officer of the company since 2023. Prior to this, he served as the Vice President of Sensor R&D and Advanced Technology of the company. Previously, he served as the Associate Director of Technology Development at DNA Sciences.
Michael Brown
Executive Vice President; Chief Legal Officer Senior ManagementMr. Michael Brown has been the Chief Legal Officer and Executive Vice President of the company since 2022. Prior to this, he served as the Business Partner at DLA Piper since 2017 to 2022. Previously, he worked in Stradling Yocca Carlson & Rauth as Business Partner. Mr. Brown also worked as outside General Counsel for several high-growth companies.
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