John Christian Hessler

Linkwell Health, Inc. develops health and wellness engagement platforms. It links together health plans, better-for-you brands, and retailers to encourage positive lifestyle change through different approaches. The firm creates customized, turnkey incentive and guidance programs for health plans to distribute to their members. The company was founded by Benjamin M. Gardner in 2007 and is headquartered in Needham, MA.

The General Hospital Corp. provides healthcare services. It offers diagnostic and therapeutic are in every specialty and subspecialty of medicine and surgery. The firm's care center provides cancer, digestive disorders, heart disease, transplantation and vascular medicine services. The company was founded in 1811 and is headquartered in Boston, MA.

Imagitas, Inc. provides advertising, marketing and consulting services. It also provides direct mailing services through partnerships with state and federal government agencies. It was founded in 1992 by Brett H. Matthews and Chris Hessler and is headquartered in Waltham, MA.

El Dorado Marketing Group, Inc. provides marketing services. It offers business management and consulting services. It focuses on reaching the Hispanic-American community with direct-to-consumer messaging services. The company was founded in 2004 by John Christian Hessler and is headquartered in Wellesley, MA.