Sarah M. London

Sarah M. London

Chief Executive Officer, Centene

Brent D. Layton

Brent D. Layton

Executive Vice President, Markets, Products, International, and Chief Business Development Officer

Mr. Layton has served as our Executive Vice President, Markets, Products, International, and Chief Business Development Officer since January 2021. In March 2021, he was appointed to President of U.S. Health plans, Products, and International. From July 2016 to December 2020, he served as Executive Vice President and Chief Business Development Officer. From September 2011 to June 2016, he served as Senior Vice President, Business Development.

Andrew L. Asher

Andrew L. Asher

Executive Vice President, Chief Financial Officer

Mr. Asher has served as our Executive Vice President, Chief Financial Officer since May 2021. He joined Centene in conjunction with the closing of the WellCare acquisition in January 2020 and served as Executive Vice President, Envolve Health and Chief Executive Officer, Envolve Pharmacy Solutions until May 2021. Prior to joining Centene, Mr. Asher served as chief financial officer of WellCare for six years.

Colin A. Toney

Executive Vice President, Mergers and Acquisitions

Before joining Centene, Mr. Toney worked at Allen & Company, advising companies in healthcare, technology, media, and other industries on mergers and acquisitions and capital raising. Mr. Toney executed over 25 closed M&A transactions representing over $30 billion, including working with Centene on the Health Net and Fidelis Care acquisitions. Before joining Allen & Company, Mr. Toney worked in M&A at the investment banking firm Stephens Inc.

Brandy L. Burkhalter

Brandy L. Burkhalter

Executive Vice President, Chief Operating Officer

Ms. Burkhalter has served as our Executive Vice President, Chief Operating Officer since June 2018. From December 2015 to June 2018, she served as Executive Vice President, Internal Audit & Risk Management.

Susan H. Coatar

Susan H. Coatar

Vice President, Chief of Staff

Christopher A. Koster

Christopher A. Koster

Senior Vice President, General Counsel and Secretary

Mr. Koster has served as Senior Vice President, Secretary and General Counsel since February 2020. From February 2017 to February 2020, he served as Senior Vice President, Corporate Services. Prior to joining Centene, Mr. Koster served as Missouri Attorney General for eight years.

Dr. Ken Yamaguchi

Dr. Ken Yamaguchi

Executive Vice President, Chief Medical Officer

Marcela Manjarrez Hawn

Marcela Manjarrez Hawn

Senior Vice President, Chief Communications Officer

Keith H. Williamson

Keith H. Williamson

President, Centene Foundation

Shannon Bagley

Shannon Bagley

Executive Vice President, Chief Administrative Officer

Jennifer L. Gilligan

Jennifer L. Gilligan

Senior Vice President, Finance & Investor Relations

Ms. Gilligan joined Centene Corporation as Senior Vice President, Finance & Investor Relations in April 2020. Prior to joining Centene, Jennifer spent nearly 10 years on Wall Street within Equity Research covering Health Care Services, most recently as a Vice President at BMO Capital Markets.

Jim Murray

Chief Transformation Officer

Prior to his roles at Magellan, Mr. Murray served as President of PrimeWest Health, a Dallas-based company which supports physician shift to value-based care and Chief Executive Officer of LifeCare HealthPartners, a Dallas-based hospital system. Murray also served as Executive Vice President and Chief Operating Officer for Humana and held other significant leadership roles over a career spanning nearly three decades.