About Us

Vestrum Health was founded in 2012 to help physicians gain greater control of their data.


Tom Brogan serves as Chairman of the Board at Vestrum Health. Mr. Brogan brings a wealth of healthcare data experience to Vestrum Health. He founded Brogan, Inc. in 1989 and built it into the largest drug claims database in Canada, compiling data from nearly every private drug plan in the country as well as government plans. The company employed 160 employees. In 2011 Brogan, Inc. was purchased by IMS Health, the largest healthcare data company in the world. He can be reached at tbrogan@vestrumhealth.com.

Nadeem Ahmad is Chief Operating Officer at Vestrum Health. He has over 20 years of experience in healthcare data analytics including 18 years at IMS Health, the largest healthcare data analytics company in the world. At IMS Health he was involved in data product development and strategic initiatives. He can be reached at nahmad@vestrumhealth.com.

John PollackJohn Pollack, MD is a co-founder of Vestrum Health. He is also co-founder of Clarus Acuity Group, a boutique healthcare research services company and Covalent Medical, the largest commercial organization of retina surgeons in the United States. John is a Partner at Illinois Retina Associates and Assistant Professor of Ophthalmology at Rush University Medical Center in Chicago, IL. He currently serves as Treasurer and on the Executive Committee of the American Society of Retina Specialists (ASRS) and the Foundation of the ASRS. John can be reached at jpollack@vestrumhealth.com.

David WilliamsDavid Williams, MD, MBA is a co-founder of Vestrum Health. He is also co-founder of Covalent Medical, the largest commercial organization of retina surgeons in the United States. He is a Partner at Vitreo-Retinal Surgery, headquartered in Minneapolis, MN and is past-President of the American Society of Retina Specialists. He can be reached at dwilliams@vestrumhealth.com.