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Richard R. Rennhack  Partner


​​​​Rick Rennhack served as Chief Executive Officer of Rennhack Marketing Services Inc (RMS), a leading business services company focused on providing premium and incentive marketing services to the Retail Banking Market, which was founded by his father in the 1970's As CEO, he quickly grew RMS into the largest company in the industry, increasing revenues by 300% in three years. Mr. Rennhack also transitioned product sourcing and development from the US to Asia, increasing EBITDA by 800% during the same period, resulting in a compounded annual growth rate of 100%. 


RMS was named to the Dallas 100™ three consecutive years.  The Dallas 100™ Awards is an annual event that identifies and honors the 100 fastest-growing privately held companies in the Dallas area.  Mr. Rennhack later sold the majority of his ownership in RMS to Brazos Private Equity Partners and fully exited upon its subsequent sale to HIG Capital​​​.​​​ Since his exit from RMS, Mr. Rennhack has invested in a number of companies, both directly and with private equity firms.  He has also been very involved with the strategic direction and growth of these companies. 

Mr. Rennhack has invested in and is very involved with a variety of philanthropic endeavors.  He also serves as Councilman for the Town of Westlake, Texas and as Trustee of Westlake Academy an IB World School.  Mr. Rennhack was also instrumental in starting YoungLife at Carroll High School and was a YoungLife Leader.

Mr. Rennhack earned a Bachelor of Business Administration degree in Finance from the Cox School of Business and a Bachelor of Arts degree in Economics from Dedman College at Southern Methodist University.

Martin J. Sobol  Partner


Martin Sobol has over 20 years of private equity, mergers & acquisitions (M&A) and operations experience, including serving as President of Sobol Consulting LLC, an M&A firm which invested with and provided strategic consulting to private equity firms and their portfolio companies; Managing Director at Abacus Ventures LLC, a Dallas-based private equity firm which invested in middle market companies; and as a Manager in the Middle Market Services Group at Deloitte LLP, working with high growth companies and private equity firms.


During this time, Mr. Sobol invested in a number of companies and was in a leadership role on multiple mergers, acquisitions, recapitalizations, private-equity roll-ups, IPOs, private offerings and strategic consulting for companies ranging in size from middle-market to Fortune 100 and on transactions totaling more than $1 billion.  He has also served as CFO and in other operational roles for private-equity backed companies, developing and executing strategic plans which resulted in significant company growth and high exit multiples. While at Deloitte, Mr. Sobol also spent time in Russia shortly after the fall of communism, assisting a Russian company through the IPO process. 


Mr. Sobol devotes a substantial amount of his free time to charities, including Team-in-Training (TNT), the fundraising arm for the Leukemia and Lymphoma Society for which he has raised significant funds by running marathons.​​​​


Mr. Sobol is a CPA and earned a Bachelor of Business Administration degree in Accounting and a Master of Business Administration degree in Finance and Marketing from McCombs School of Business at The University of Texas at Austin. While completing his MBA, he led a yearlong study for the Dean of the Graduate School of Business on developing a venture capital fund and curriculum at The University of Texas at Austin and launched a self-funded startup upon graduation​.​​​​

Jack V. Gunion  Partner​


Jack Gunion has a long history of starting and managing rapid growth companies. His first entrepreneurial venture was Eye Care Centers of America, Inc. (ECCA) where he completed a series of 5 acquisitions, forming the second largest eyewear superstore chain in the US, commonly known as EyeMasters (now VisionWorks). After the sale of ECCA to Sears, he was a founding member and CEO of Discovery Zone, awarding over 150 franchises prior to its sale to Blockbuster, Inc. Mr. Gunion then founded or acquired several businesses, growing them and then selling to larger entities within their industries.


Mr. Gunion spent the first 22 years of his career on the corporate side of retailing, assuming increasingly responsible positions with large retail companies such as Sears, where he rose over 10 years ​from a Management Trainee to become a Group Merchandise Manager for their largest administrative unit, Chicago; to Target Stores where he was a Regional Merchandise Manager for their stores in the Southwestern US; to County Seat Stores where he was Regional Director for their Northern Region; to Waldenbooks as Vice President of Stores where he guided their transition from 600 stores to 950 in just over three years; and finally, to Genesco, Inc as President of their Retail Group, managing over 1,100 shoe stores (Johnston & Murphy, Journeys, and other branded stores) in the US and Canada. He has participated in opening nearly 800 retail stores in his career​.


Mr. Gunion has raised, or participated as an investor in over $150 million in various forms of investment capital, including IPO’s, Private Placements, Subordinated Debt, and Senior Debt agreements. He has also raised over $40 million in the non-profit sector, primarily for the YMCA.​​​

Mr. Gunion earned a Bachelor of Arts degree from Drake University and completed the Financial Management Program at the Columbia University Graduate School of Business.


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