Mark Hamm

February 9, 2022 – Mark Hamm is the Executive Chairman of Centerline Healthcare Partners, a Petra Portfolio company, and an owner and board member of The Vein Company, a specialty vascular practice for the treatment of venous reflux disorder and other vascular diseases. Previously, he served as the Envision Healthcare Inpatient Physician Services Chief Executive Officer and as its … Read More

Jeff Rich

July 9, 2021 – Jeff Rich is a results focused chief executive, investor and board member in the technology industry. He helps management teams focus their business strategies to achieve growth and value for shareholders. As its CEO, Jeff grew Affiliated Computer Services, Inc (“ACS”), a diversified IT services and BPO provider, from a small start-up company through an … Read More

Mike Simmons

July 9, 2021 – Mike is an entrepreneur, board member, and investor with experience in a diverse array of industries. Petra was introduced to Mike through our investment in T2 Systems, a leader in providing mission-critical software, hardware and infrastructure to the parking industry, which Mike co-founded in 1994 and led the company in the role of president, CEO, … Read More

Michael Paul

July 9, 2021 – Michael Paul, Ph.D. was most recently co-founder of Petra portfolio company Lineagen, Inc. whose mission it was to help individuals and families living with Autism Spectrum Disorders and other forms of Developmental Delay and Disabilities find answers and achieve better outcomes.  Michael served as Lineagen’s President, CEO, and a Director of Lineagen since inception in … Read More

Woody Grossman

July 9, 2021 – Woody was previously a member of the board of directors and senior vice president of development and planning for Odyssey HealthCare and was on the board of directors for New Century Hospice, Encompass Home Health and Hospice and Jordan Health Services from startup to successful exits. Currently, he sits on the boards of Three Oaks … Read More

David Gasmire

July 9, 2021 – David is a healthcare entrepreneur with a more than 30-year successful track record of starting and operating healthcare services businesses, selling critical care products to hospitals and physicians, and developing industry service standards, managed care delivery systems and quality assurance, compliance and customer service programs. David has worked with venture and private equity investors for … Read More