Executive Team


Mark Rosenbloom, Founder and Chief Executive Officer

Dr. Rosenbloom, MBA, MD, FACEP, is a board-certified emergency physician and founding author of PEPID, which began as a collection of his notes once entered into an early-model personal digital assistant.

Dr. Rosenbloom earned his MBA from Stanford University Graduate School of Business in 1978 and soon began his ascent in the corporate world, becoming executive vice president and information technology director of America’s third-largest newsstand publishing company. Dr. Rosenbloom left the corporate world in 1986 to earn his MD from the Feinberg School of Medicine at Northwestern University and then completed his residency in emergency medicine at the University of Illinois.

While in medical school, he won prestigious awards for research and biochemistry, and earned Alpha Omega Alpha status in just two years. In addition to serving as PEPID’s CEO, Dr. Rosenbloom is the Founder of The Unicorn Children’s Foundation, a member of the Interdisciplinary Council on Developmental and Learning Disorders, and a fellow of the American College of Emergency Medicine, the American Academy of Emergency Medicine and the Royal Society of Medicine. Dr. Rosenbloom also served as a faculty member and then Adjunct Associate Professor of Medicine at the Feinberg School of Medicine at Northwestern University for 15 years.


John C. Wagner, President

In more than 28 years in and out of the healthcare industry, Mr. Wagner has been involved in company start-ups as well as implementation of innovative programs, new business creation, and corporate and network development initiatives. He also has directed several innovative marketing, product/service positioning strategies as well as management turnarounds of several businesses. John brings a broad scope of experience to PEPID. The author of two books, Mr. Wagner has served as the CEO of American Retail Supply, the Vice President of National Media Corporation, the Senior Vice President of Vidcom Industries, and the Vice President of Sales and Marketing at Times Mirror College Publishing. John has lectured on marketing and business topics to hundreds of successful clients. Having developed business campaigns in numerous industries, he has returned to his earlier passion for medical publishing. Most recently, following PEPID roles as Vice President of Business Development and Executive Vice President he was named President of PEPID, LLC.


W. Edward Reynolds, Chief Technology Officer and Executive Vice President

Mr. Reynolds joined PEPID in 2004 and serves as CTO and Executive Vice President where he leads PEPID technology strategy, securing the company’s position as the leader in clinical decision support resources and drug databases. He is responsible for developing the PEPID integration model, allowing all information to be integrated into any electronic health record system via API or HL7 Infobutton, as well as transforming the first mobile health application into a leader in today’s mobile healthcare environment.

Prior to joining PEPID, Mr. Reynolds has held high-profile positions throughout his career in software development and quality assurance. He began his technical journey with the United States Air Force, moved on to become the manager of technical support and quality assurance at Intergraph Corporation, and most recently served as the vice president of technical support and quality assurance at Bentley Systems.