Executive Chairman
Raymond C. Stachowiak is a corporate executive and entrepreneur who serves as Executive Chairman and a 10%+ owner of American Shared Hospital Services (AMS), a provider of radiation therapy and radiosurgery equipment and services to hospitals.[[2]](https://www.marketscreener.com/insider/RAYMOND-STACHOWIAK-A0Q8UG/)[[3]](https://www.gkfinancingllc.com/team/raymond-c-stachowiak/)[[7]](https://stockcircle.com/insider-trades/person/stachowiak-raymond-c) He joined the AMS board in 2009 and has held senior leadership roles including interim President and Chief Executive Officer before becoming Executive Chairman in March 2023, and he continues to be an active insider trader in AMS shares.[[3]](https://www.gkfinancingllc.com/team/raymond-c-stachowiak/)[[6]](https://www.sec.gov/Archives/edgar/data/744825/000074482520000107/amsprannouncesapptofra.htm)[[7]](https://stockcircle.com/insider-trades/person/stachowiak-raymond-c) As of early 2026, disclosures show him holding several hundred thousand AMS shares, reflecting a significant ownership stake in the company.[[2]](https://www.marketscreener.com/insider/RAYMOND-STACHOWIAK-A0Q8UG/)[[7]](https://stockcircle.com/insider-trades/person/stachowiak-raymond-c)
Stachowiak is best known as the founder and long‑time President and Chief Executive Officer of Shared Imaging LLC, an independent provider of CT, MRI, and PET/CT equipment and services that he led from its inception in 1991 until his retirement from day‑to‑day management in 2013.[[2]](https://www.marketscreener.com/insider/RAYMOND-STACHOWIAK-A0Q8UG/)[[3]](https://www.gkfinancingllc.com/team/raymond-c-stachowiak/) He sold 50% of his interest in Shared Imaging to Lubar Equity Fund in 2008 and remains a 50% owner.[[3]](https://www.gkfinancingllc.com/team/raymond-c-stachowiak/) Beyond AMS and Shared Imaging, he is the sole owner of RCS Investments, Inc. and owner‑manager of Stachowiak Equity Fund, both private equity investment vehicles, and has served as a director of NGT Energy, Inc.[[2]](https://www.marketscreener.com/insider/RAYMOND-STACHOWIAK-A0Q8UG/)[[3]](https://www.gkfinancingllc.com/team/raymond-c-stachowiak/) Earlier in his career he held operations leadership roles at Xyvision Enterprise Solutions.[[2]](https://www.marketscreener.com/insider/RAYMOND-STACHOWIAK-A0Q8UG/) Stachowiak holds both a B.S. in Business and an M.B.A. from Indiana University, and he is a Certified Public Accountant (inactive), Certified Internal Auditor (inactive), and holds a certification in Production and Inventory Management, underscoring a formal background in accounting, finance, and operations.[[2]](https://www.marketscreener.com/insider/RAYMOND-STACHOWIAK-A0Q8UG/)[[3]](https://www.gkfinancingllc.com/team/raymond-c-stachowiak/)[[5]](https://www.linkedin.com/in/raystachowiak)
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