Gregory Maddrey

The Chartis Group LLC engages in the provision of advisory and analytics services to the healthcare industry. It also include digital transformation and emerging technologies. The company was founded by Ethan Arnold, Ken Graboys and Robert Christopher Regan in 2001 and is headquartered in Chicago, IL.

Chartis Consulting Corp. provides strategy, management and engineering services to the public and private sectors. It delivers cost reductions, implements business systems; modernize tactical communications and transforms data centers. The firm provides comprehensive management and information technology services and works with the homeland defense community to secure and protect America. It also partners with civilian organizations to foster a clean environment, energy independence, modern transportation, and economic growth. The company was founded in 2008 and is headquartered in Falls Church, VA.

Part of InnovaCare, Inc. (Florida), North American Medical Management - Illinois, Inc. provides management services to medical groups. The company is based in Hillside, IL.