Dan S. Parsley

Dan is the Managing Partner of GPG Ventures - Houston. Dan is a native of Houstonian where he has been an active venture investor in early stage medical device, biotech, digital health, insurance and technology companies.

Dan is a passionate venture entrepreneur having started, lead, advised and funded numerous early stage technology companies over the past 20 years. He has personally invested in over 30 early stage companies. Most recently, Dan led the nationwide syndication investor network of a crowd-funding investment platform focused on early stage medical innovation.

Prior to that, Dan ran an energy efficiency company following a 10-year tenure as CEO of SalvageSale, a venture-backed online auction platform, essentially an “industrial eBay”, which was acquired by the world’s largest heavy equipment auction company.

Dan started his career with Accenture and was a partner with Computer Sciences Corporation before entering the venture community. He has been recognized for his leadership with high growth technology companies and is a frequent entrepreneurial speaker.

He is also very active in the charitable and business community. Dan currently is a board member of Hooray Health and Independent Texas Recyclers. He is a past president of the Executives Association of Houston as well as of the Children’s Museum of Houston; currently, he is the Co-Chairman of the Parsley Charity Golf Classic and a member of the San Jose Clinic Advisory Board. He is an Assistant Scoutmaster for Troop 55 of the Boy Scouts of America.

Dan earned his undergraduate degree from Texas A&M University and an MBA from the Darden School of Business at the University of Virginia. Dan is married to Allison Zwiener Parsley. They have 3 children, 1 loyal dog and a fat cat. He enjoys duck hunting, fly fishing, cooking and golf.


John Leader

John joined GPG Ventures – Houston as a Principal in charge of Investment Operations in May of 2019. John oversees the deal pipeline and evaluation of potential investment opportunities as well as manage the post-investment activities related to portfolio company and investor relations. John has extensive venture and entrepreneurial experience in the early stage healthcare, commercial real estate, and software industries among others. Over the past 2 years, he has managed over 30 venture transactions comprising more than $15 million dollars into early stage healthcare companies.

John is a local Houstonian and is a graduate of St. John’s School as well as holds a BSBA from Georgetown University’s McDonough School of Business in Finance and Operations & Information Management. He holds a Series 65 certification and is actively pursuing his CFA and CAIA designations. John is a diehard Houston sports fan and spends plenty of time at the park with his dog Baxter as well as volunteering with the Houston Food Bank and his neighborhood’s Civic Club.