Executive Team

David Zynn, CEO/President

David Zynn
Chief Executive Officer/President

Dave is a tenured senior executive focused primarily on growth companies in the technology, services and computer software sectors. Prior to arriving at Iagnosis, Dave served as the President and CFO at CombineNet, Inc. He is excited to grow Iagnosis and looks forward to helping develop his team.

In addition to his work at Iagnosis, Dave volunteers for the Children’s Hospital and is a School of Business Trustee for Indiana University of Pennsylvania. Outside of the office, if he isn’t discussing finance or mergers and acquisitions, Dave is usually talking about his family, traveling and Pittsburgh Pirates baseball.


Mark Seraly, MD
Founder/Chief Medical Officer

Dr. Seraly is a pioneer in direct-to-patient teledermatology. His passion for developing high-quality, consumerized medical services that enable instant access to affordable care led him to cofound Iagnosis and DermatologistOnCall in 2011. Prior to working with our team, he worked as the Assistant Professor of Dermatology and Director of Clinical Services at the University of Pittsburgh Department of Dermatology.

Currently, Dr. Seraly works as the CMO of Iagnosis, as well as managing his private dermatology practice in McMurray, PA.  He is the recipient of numerous honors and awards including membership in many academic honor societies. Dr. Seraly has authored 30 medical publications and has been invited as a guest lecturer 187 times in 23 U.S. states and 11 cities in 7 foreign countries. Outside of the medical field, Dr. Seraly uses his passion for creative design, color and composition as a professional bronze sculptor.

Mark P. Seraly, MD

Scott Focer, COO

Scott Focer
Chief Operating Officer

Scott has been with Iagnosis since the company was just a concept, without funding, a product or a name. He came to the company after 20 years in the solutions business in a variety of leadership roles, markets and technologies. Scott is passionate about creating an organization and a set of services that can fill a need in the marketplace surrounding telemedicine and teledermatology.

When he’s not in the office, Scott can be found with his family. He is passionate about helping others in their efforts to live with the highest quality of life. Each year, Scott and his family support and volunteer for Frankie's Friends, a charity to support Autism, as well as a variety of other local charities.