Senior Team

John Christopherson
Executive Vice President and Chief Technology Officer

John Christopherson is responsible for leading the Company's product development, product management, and information technology programs.

Before joining GTESS in 2007, Mr. Christopherson served as Senior Vice President and Chief Technology Officer at Health Language Inc. (HLI) in Aurora, Colorado, a provider of medical vocabulary and concept-based technology services. Prior to HLI, he served at McKesson Inc. in vice president roles, leading efforts in application architecture and product development for McKesson's and iMcKesson's technology solutions. McKesson acquired Abaton.com, a start-up internet application service provider, where Mr. Christopherson was serving as CIO.

Before Abaton, Mr. Christopherson was Vice President of Corporate Systems at United Healthcare Corporation (UHC) and a strategic information systems consultant for Price Waterhouse. Christopherson received a bachelor's degree in information systems and computer science from the University of Wisconsin and earned an MBA degree from Marquette University.