Robert S. Wolfkiel Joins CoreSource as Regional President, Southeast Region

LAKE FOREST, Ill. – CoreSource, a leading health plan administrator of self-funded plans, hired Bob Wolfkiel, 46, as Regional President of the Southeast Region. He succeeds longtime CoreSource leader Jerry Castelloe, who is transitioning to Vice President of Strategic Relations. The announcement was made by CoreSource President Nancy Eckrich. Both Wolfkiel and Castelloe are located in the Charlotte, N.C., office.

Prior to CoreSource, Wolfkiel was Vice President and Chief Sales Officer at Blue Cross Blue Shield of Rhode Island, and has served in multiple sales and sales leadership roles at Humana, Aetna, Willis and the Equitable. 

In his new position at CoreSource, Wolfkiel will have overall responsibility for the Southeast Region, including the Charlotte, N.C., and Little Rock, Ark., offices, and for ensuring world-class service to CoreSource clients and customers.

“CoreSource is a company with tremendous growth potential,” said Wolfkiel. “As new regional president, it’s my plan to leverage my experience and familiarity with southern markets to help the company expand its relationships and grow throughout the region.”

Wolfkiel, who brings more than 25 years of experience in the insurance industry to CoreSource, studied international business at Hofstra University in Hempstead, N.Y.

Castelloe, who celebrates 30 years with the company, will, in his new role, develop and maintain strategic relationships with key clients, represent CoreSource in a government relations capacity, lead the enterprise sales support team, and continue as a member of the CoreSource executive leadership team.

About CoreSource
CoreSource is one of the nation’s leading health plan administrators, delivering integrated, customized employee benefit solutions to self-funded employers. The company maintains claims and customer service offices in Baltimore; Charlotte, N.C.; Chicago; Columbus, Ohio (NGS CoreSource); Detroit (NGS CoreSource); Kansas City, Kan.; Lancaster, Penn.; Tucson, Ariz.; and Little Rock, Ark. CoreSource is a subsidiary of Trustmark Companies, which celebrates 100 years. Visit  

Cindy Gallaher