John C. Senall

Principal & Founder, Digital Healthcom Group

Prior to founding Digital Healthcom Group, John worked as a communications director and marketing manager for over two decades—leading strategy and teams for the University at Buffalo (New York State’s largest public research university) and Roswell Park Cancer Institute, one of 40 National Cancer Institute-designated comprehensive cancer centers. He began his career as the director of communications for community health, addiction and behavioral health programs in Erie County, New York. 

John has recently worked with clients including HMOs, additional national cancer centers, pharmacies, private practices, university health systems and technology providers. He consults and speaks regionally and nationally, and his LinkedIn blogs are followed by 6,000 worldwide professionals. Read full bio...

Chris Pempsell

Web and Mobile Development, User Experience, Strategy

Christopher Pempsell is a software architect and senior consulting collaborator of Digital Healthcom Group through his business, Pempsell Design. His experience includes work with start-ups, non-profits, enterprises and several fortune 500 companies.

Chris’s recent client list includes Capital BlueCross, HSBC, State of New York, State of New Hampshire, South Portland Maine, Comcast, Post Acute Medical and Geneia Healthcare. Chris brings value to his work through deep industry knowledge in a wide range of enterprise level platforms, solutions and business process automations.


Mark Hare

Search Engine Optimization, Digital Marketing and Google Specialist

Mark is a Search Engine Optimization (SEO), Search Engine Marketing (SEM) and Social Media Optimization (SMO) and content marketing expert. His work focuses his work on SEO and SEM strategies and analysis, recommendations—helping our clients connect with the right audiences in the right mediums at the right time.  

Mark held previous positions with Advoca Interactive and 9th Sphere, both in Toronto, Canada. He has completed more than 500 website, optimization and paid digital campaign projects thus far.

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