# Carl Soderstrom

> Carl Soderstrom is a seed investor at Green Park & Golf Ventures backing Medical and Internet. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Green Park & Golf Ventures](https://shizune.co/investors/profile/green-park-golf-ventures)
- Location: Dallas, United States
- Total investments: 1
- Last investment: Jul 2018
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/carl-soderstrom-ab6ab270

Carl Soderstrom is a seed investor at Green Park & Golf Ventures in Dallas focused on Medical and Internet. Mr. Soderstrom is a founding partner of Green Park & Golf Ventures and is currently serving in a role with Texas Health Physician Group (THPG). He is a member of the board of directors of Caddis Partners, a Dallas based healthcare real estate investment firm. Additionally he serves on the Board of Dallas-based PerioSciences. Mr. Soderstromserved as Chairman of the Board and Chief Executive Officer of PhyServe Physician Services, Inc. for 14 years before joining THPG, and brings 23 years of experience in physician practice management.Prior to joining PhyServe, he was Chief Operating Officer for Metroplex Emergency Physicians for two years, a company that ultimately spun off the initial practices that became the first clients of PhyServe. Mr. Soderstrom lead the effort to sell that medical group to EmCare in 1998. From 1989- 1996, he worked for Coastal Healthcare Group, Inc. in North Carolina, helping to grow the company to $750M and become one of the first physician practice management companies to go public in 1992. Mr. Soderstrom served as Chief Operating Officer of the $500M Emergency Services Division until 1996.Mr. Soderstrom attended Illinois State University where he received his B.A. in business, and received his MBA from The University of Notre Dame in 1988. He was recognized as a finalist in 2010 for Ernst & Young's "Entrepreneur of the Year" in the Southwest Region of the United States

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Medical | 1 | 100% |
| Internet | 1 | 100% |
| E-Commerce | 1 | 100% |
| Health Care | 1 | 100% |
| Mobile Apps | 1 | 100% |

7 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 100% |
| Pre-Seed | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ataia | Ataia Medical, founded in 2017 by a team of biomedical engineers and critical care physicians, is dedicated to empowering patients with the freedom to speak. They develop novel solutions to help patients communicate who are currently unable to because of hard plastic hospital masks. | $300K | Seed | Jul 11, 2018 |  |

1 of 1 investments shown.

## About Green Park & Golf Ventures

VC Fund · Dallas, United States

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 iscurrently 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.

5 contacts available at Green Park & Golf Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| JR Garcia | Principal & VP of Investments | https://shizune.co/investors/profile/jr-garcia |
| Carl Soderstrom | Founding Partner | https://shizune.co/investors/profile/carl-soderstrom-2 |
| Claire England | Investment Partner | https://shizune.co/investors/profile/claire-england |
| Clay Heighten | Founding Member | https://shizune.co/investors/profile/clay-heighten |
| Dan Parsley | Managing Partner | https://shizune.co/investors/profile/dan-parsley |

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## FAQ

### What does Carl Soderstrom invest in?

Carl Soderstrom invests primarily in Medical, Internet and E-Commerce startups, most often at Seed and Pre-Seed stage. Most of the 1 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Carl Soderstrom last invest?

The most recent investment recorded for Carl Soderstrom closed in Jul 2018. Shizune tracks 1 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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