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William Johnstone
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Profile
William O.
Johnstone formerly worked at C-Teq, Inc., as Chairman & Chief Executive Officer from 1996 to 2001, Council Oak Investment Corp., as Chief Executive Officer, Council Oak Real Estate, Inc., as Chief Executive Officer, Council Oak Partners LLC, as Chairman & Chief Executive Officer from 2012 to 2024, City Bankshares, Inc., as Chairman & President from 1985 to 1996, City Bank & Trust (Oklahoma City), as Chairman & President in 1996, BancFirst Corp.
(Oklahoma), as Vice Chairman from 1996 to 2024, BancFirst (Oklahoma City, Oklahoma), as Vice Chairman from 1996 to 2024, Sport-Haley Holdings, Inc., as Director from 2007 to 2009, Oklahoma Medical Research Foundation, as Director, and Acorn Growth Cos LLC, as Advisor.
Mr. Johnstone received his undergraduate degree and Masters Business Admin degree from the University of Oklahoma.
Former positions of William Johnstone
| Companies | Position | End |
|---|---|---|
Council Oak Partners LLC
 Council Oak Partners LLC Investment ManagersFinance Council Oak Partners invests in companies located in the United States. The firm focuses on a broad range of sectors and industries. It participates in buyout, growth, merger and acquisition and recapitalization transactions. | Chief Executive Officer | 24/02/2024 |
| BANCFIRST CORPORATION | Director/Board Member | 24/02/2024 |
BancFirst (Oklahoma City, Oklahoma)
 BancFirst (Oklahoma City, Oklahoma) Regional BanksFinance Operates as a state-chartered bank | Director/Board Member | 24/02/2024 |
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 | 24/02/2024 |
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 | 24/02/2024 |
Training of William Johnstone
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
39
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
BancFirst Corp. (Oklahoma)
 BancFirst Corp. (Oklahoma) Regional BanksFinance Operates as a bank holding company which provides commercial banking and other financial services | Finance |
Sport-Haley Holdings, Inc.
 Sport-Haley Holdings, Inc. Wholesale DistributorsDistribution Services Designs, manufactures and distributes women's and men's fashion golf apparel and outerwear | Distribution Services |
C-Teq, Inc.
 C-Teq, Inc. Data Processing ServicesTechnology Services Provides data processing, and check and statement imaging to financial institutions | Technology Services |
University of Oklahoma
 University of Oklahoma Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Council Oak Partners LLC
Council Oak Partners LLC Investment ManagersFinance Council Oak Partners invests in companies located in the United States. The firm focuses on a broad range of sectors and industries. It participates in buyout, growth, merger and acquisition and recapitalization transactions. | Finance |
BancFirst (Oklahoma City, Oklahoma)
BancFirst (Oklahoma City, Oklahoma) Regional BanksFinance Operates as a state-chartered bank | Finance |
Council Oak Investment Corp.
 Council Oak Investment Corp. Regional BanksFinance Operates as a venture capital firm | Finance |
Council Oak Real Estate, Inc. | |
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 |
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 |
City Bankshares, Inc.
 City Bankshares, Inc. Financial ConglomeratesFinance Bank holding company | Finance |
City Bank & Trust (Oklahoma City)
 City Bank & Trust (Oklahoma City) Regional BanksFinance State chartered commercial bank | Finance |
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