![G. Williams](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
G. Williams
Director/Board Member at
BANCFIRST CORPORATION
Net worth: 7 M $ as of 2026-07-30
Profile
Currently, G.
Rainey Williams is Chairman and Board Member at The Dean A. McGee Eye Institute; Independent Director at BancFirst Corp.
(Oklahoma) since 2003; Director at American Fidelity Dual Strategy Fund, Inc.; Director at BancFirst (Oklahoma City, Oklahoma) since 2003; Director at Oklahoma Medical Research Foundation; Director at OGE Enogex GP LLC since 2007; Director at Regional Food Bank of Oklahoma, Inc.; President & Managing Partner at Marco Capital Group since 1989; President at Marco Holding Corp.
since 1988; and Senior Advisor at Acorn Growth Cos LLC.
Former roles include Chairman at The YMCA Retirement Fund; Director at American Trailer Works, Inc.; Director at Plains Ventures from 2004 to 2009; and Director at Waples Precision Manufacturing LLC.
Education includes undergraduate studies at Southern Methodist University and the University of Oklahoma.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-03-30 | 64,600 ( 0.19% ) | 7 M $ | 2026-07-30 |
G. Williams active positions
| Companies | Position | Start |
|---|---|---|
| BANCFIRST CORPORATION | Director/Board Member | 2002-12-31 |
Marco Holding Corp. | President | 1987-12-31 |
OGE Enogex GP LLC
 OGE Enogex GP LLC Gas DistributorsUtilities Provides natural gas transportation services | Director/Board Member | 2007-04-30 |
Marco Capital Group
 Marco Capital Group Investment ManagersFinance Marco Capital Group invests in companies located in the United States. The firm targets companies operating in the fields of electronic technology, commercial services, consumer services and finance sectors. It provides financing for acquisition transactions. It also takes minority interests. | President | 1988-12-31 |
BancFirst (Oklahoma City, Oklahoma)
 BancFirst (Oklahoma City, Oklahoma) Regional BanksFinance Operates as a state-chartered bank | Director/Board Member | 2002-12-31 |
Oklahoma Medical Research Foundation
 Oklahoma Medical Research Foundation Investment Trusts/Mutual FundsMiscellaneous Operates as medical research foundation, which helps people who fight with heart disease, lupus, cancer and other devastating illnesses | Director/Board Member | 2012-03-11 |
American Fidelity Dual Strategy Fund, Inc.
 American Fidelity Dual Strategy Fund, Inc. Investment Trusts/Mutual FundsMiscellaneous Acts as Open-End Investment Fund/Unit Trust | Director/Board Member | - |
Regional Food Bank of Oklahoma, Inc.
 Regional Food Bank of Oklahoma, Inc. Services to the Health IndustryHealth Services Distributes food to feed the hungry | Director/Board Member | - |
Acorn Growth Cos LLC
 Acorn Growth Cos LLC Investment ManagersFinance Acorn Growth invests in middle market companies located in the United States. The firm focuses on aerospace, defense, intelligence, and space investments. It participates in late-stage and buyout transactions with an investment size of USD 30-200 million. | Consultant / Advisor | - |
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Former positions of G. Williams
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Training of G. Williams
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
62
1st degree connections
16
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 16 |
|---|---|
BancFirst Corp. (Oklahoma)
 BancFirst Corp. (Oklahoma) Regional BanksFinance Operates as a bank holding company which provides commercial banking and other financial services | Finance |
American Fidelity Dual Strategy Fund, Inc.
American Fidelity Dual Strategy Fund, Inc. Investment Trusts/Mutual FundsMiscellaneous Acts as Open-End Investment Fund/Unit Trust | Miscellaneous |
The YMCA Retirement Fund
 The YMCA Retirement Fund Investment ManagersFinance YRF invests in a wide range of assets for the purpose of diversification, which results in lower risk. With a focus on long-term investing and portfolio diversification, the Fund is equipped to endure short-term market fluctuations. To maximize returns and minimize risk for career Y employees, the Fund manages its portfolio according to its long-term investment philosophy and objectives. The Fund’s Board of Trustees sets the investment policy with a target weight for each asset class in the Fund’s portfolio. | Finance |
American Trailer Works, Inc.
 American Trailer Works, Inc. Trucks/Construction/Farm MachineryProducer Manufacturing Manufactures cargo trailers and related parts | Producer Manufacturing |
Southern Methodist University
 Southern Methodist University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Oklahoma
 University of Oklahoma Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Marco Capital Group
Marco Capital Group Investment ManagersFinance Marco Capital Group invests in companies located in the United States. The firm targets companies operating in the fields of electronic technology, commercial services, consumer services and finance sectors. It provides financing for acquisition transactions. It also takes minority interests. | Finance |
BancFirst (Oklahoma City, Oklahoma)
BancFirst (Oklahoma City, Oklahoma) Regional BanksFinance Operates as a state-chartered bank | Finance |
Marco Holding Corp. | |
Oklahoma Medical Research Foundation
Oklahoma Medical Research Foundation Investment Trusts/Mutual FundsMiscellaneous Operates as medical research foundation, which helps people who fight with heart disease, lupus, cancer and other devastating illnesses | Miscellaneous |
Plains Ventures
 Plains Ventures Investment ManagersFinance Plains Ventures invests in companies located in the United States, particularly in Oklahoma. The firm focuses on life sciences and technology sectors. It participates in seed and early stage capital requirements with an investment size of USD 0.25 - 1 million. The firm also makes co-investments. | Finance |
The Dean A. McGee Eye Institute
 The Dean A. McGee Eye Institute Medical/Nursing ServicesHealth Services Operates as an eye institute that provide medical and surgical eye care services | Health Services |
OGE Enogex GP LLC
OGE Enogex GP LLC Gas DistributorsUtilities Provides natural gas transportation services | Utilities |
Acorn Growth Cos LLC
Acorn Growth Cos LLC Investment ManagersFinance Acorn Growth invests in middle market companies located in the United States. The firm focuses on aerospace, defense, intelligence, and space investments. It participates in late-stage and buyout transactions with an investment size of USD 30-200 million. | Finance |
Regional Food Bank of Oklahoma, Inc.
Regional Food Bank of Oklahoma, Inc. Services to the Health IndustryHealth Services Distributes food to feed the hungry | Health Services |
Waples Precision Manufacturing LLC
 Waples Precision Manufacturing LLC Metal FabricationProducer Manufacturing Manufactures precision machining | Producer Manufacturing |
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