Clay Heighten
Founding Member @ Green Park & Golf Ventures
Dallas, United States
Clay Heighten is a seed investor at Green Park & Golf Ventures in Dallas focused on Medical and Health Care. Dr. Heighten is a founding member of Green Park and Golf Ventures. After completion of residency training at the Southwestern Medical School affiliated Parkland Hospital program in Dallas, Texas he practiced Emergency Medicine for 13 years. In the early 1990’s Dr. Heighten was one of five physicians founding Metroplex Emergency PhysiciansAssociates, P.A. “MEPA”. MEPA employed and managed emergency medicine providers contracting with 23 hospitals at its peak in Texas and surrounding states. MEPA was sold in 1998 to EMCARE a publiCally traded emergency services provider.In 1994, Dr. Heighten founded the physician organization that ultimately became known as Medical Edge Healthcare Group, P.A. “MEHG”. MEHG at the time of its acquisition in 2010 by Texas Health Resources, “THR”, employed over 400 doctors and mid-level providers and owned facilities providing a comprehensive range of ancillary and laboratory services that in aggregate accounted for over 1.5 million patient encounters per year. Dr. Heighten completed the integration of MEHG into the Texas Health Physician Group in 2013.Dr. Heighten was also a founder and board member of Physerve Physician Services, “Physerve”. Physerve provided comprehensive management support to multiple physician groups across the USA and was also sold to THR.Dr. Heighten is also a founding member of Caddis Partners, a real estate development and management company specializing in healthcare properties. Caddis has consistently ranked as a top developer by number of square feet developed in North Texas. Dr. Heighten serves on multiple boards of directors of early stage healthcare companies and is a co-founder of Dallas based Health Wildcatters, a healthcare focused business accelerator.
- Total investments:
- 2
- Last investment:
- Lead investor:
- 100%
Last updated:
For AI agents: llms.txt
Industries Clay Heighten invests in
Stages Clay Heighten invests in
Countries Clay Heighten invests in
Contacts
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Investment Focus
Industry
- Medical 1 (50%)
- Health Care 1 (50%)
- Biotechnology 1 (50%)
- Health Diagnostics 1 (50%)
Stage
- Seed 1 (50%)
- Convertible Note 1 (50%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Prolocor is a biotechnology company that develops diagnostic tests for cardiovascular diseases. The company's goal is to develop a more precise method and diagnostic tool for assessing and managing risk in cardiovascular disease. Prolocor was founded in 2020 and is based in Philadelphia, PA. | $1.7M / Convertible Note / Feb 27, 2024 | ||
| Prolocor is a biotechnology company that develops diagnostic tests for cardiovascular diseases. The company's goal is to develop a more precise method and diagnostic tool for assessing and managing risk in cardiovascular disease. Prolocor was founded in 2020 and is based in Philadelphia, PA. | $3.2M / Seed / Aug 16, 2022 |
Co-Investors
Green Park & Golf, built on over 50 years of operational and financial experience, seeks investment opportunities that offer above-market returns for its investors. Led by Clay Heighten, M.D., and Carl Soderstrom, the Firm delivers strategic solutions, financial backing and a reliable network to its portfolio companies. The Dallas-based Firm is currently looking for investment opportunities in medical-related start-ups. Dr. Heighten founded MedicalEdge Healthcare Group in 1993, and Mr. Soderstrom started PhyServe Physician Services in 1998 to administer the financial and operational needs of MedicalEdge. Together, the companies managed over 550 providers in five major markets. In 2011, the companies were sold to Texas Health Resources, a $3.8 billion health care system. That’s when Green Park & Golf was born. After earning his MBA at Southern Methodist University, Mr. Garcia joined them full-time in May 2011 to actively pursue new investment opportunities and monitor other investments in their portfolio. He has prior professional experience at FedEx, Bold Ventures, and Lone Star Investment Advisors.
Green Park & Golf Ventures Contacts
| Name | Phone | Socials | |
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Carl Soderstrom
Founding Partner
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Claire England
Investment Partner
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Clay Heighten
Founding Member
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Dan Parsley
Managing Partner
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JR Garcia
Principal & VP of Investments
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FAQ
What does Clay Heighten invest in?
Clay Heighten invests primarily in Medical, Health Care and Biotechnology startups, most often at Seed and Convertible Note stage. Most of the 2 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Clay Heighten?
Public channels for Clay Heighten include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Clay Heighten last invest?
The most recent investment recorded for Clay Heighten closed in Feb 2024. Shizune tracks 2 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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