Oklahoma City Branch Alumni Directors

2022 Board of Directors

Katrina Washington, Chair of the Branch Board
Owner, Stratos Realty Group
Executive Director, Neighborhood Housing Services Oklahoma
Oklahoma City, Oklahoma

J. Walter Duncan IV
President
Duncan Oil Properties, Inc.
Oklahoma City, Oklahoma

Rhonda Hooper
President and Chief Executive Officer
Jordan Advertising
Oklahoma City, Oklahoma

Susan Chapman Plumb
Board Chair and CEO
Bank of Cherokee County
Tahlequah, Oklahoma

Brady Sidwell
Owner and Principal
Sidwell Strategies, LLC
Enid, Oklahoma

Christopher C. Turner
Chief Operating Officer and Executive Vice President
The First National Bank & Trust Company
Oklahoma City, Oklahoma

Dana S. Weber
Chair of the Board, President and CEO
Webco Industries, Inc.
Sand Springs, Oklahoma

2021 Board of Directors

Tina Patel, Chair of the Branch Board 
Chief Financial Officer 
Promise Hotels, Inc. 
Tulsa, Oklahoma

J. Walter Duncan IV
President
Duncan Oil Properties, Inc.
Oklahoma City, Oklahoma

Susan Chapman Plumb
Board Chair and CEO
Bank of Cherokee County
Tahlequah, Oklahoma

Brady Sidwell
Owner and Principal
Sidwell Strategies, LLC 
Enid, Oklahoma

Christopher C. Turner
Chief Operating Officer and Executive Vice President
The First National Bank & Trust Company
Oklahoma City, Oklahoma

Katrina Washington
Owner
Stratos Realty Group
Oklahoma City, Oklahoma

Dana S. Weber
Chair of the Board, President and CEO
Webco Industries, Inc.
Sand Springs, Oklahoma

2020 Board of Directors

Tina Patel, Chair of the Branch Board 
Chief Financial Officer 
Promise Hotels, Inc. 
Tulsa, Oklahoma

J. Walter Duncan IV
President
Duncan Oil Properties, Inc.
Oklahoma City, Oklahoma

Susan Chapman Plumb
Board Chair and CEO
Bank of Cherokee County
Tahlequah, Oklahoma

Brady Sidwell
Owner and Principal
Sidwell Strategies, LLC 
Enid, Oklahoma

Christopher C. Turner
President and CFO
The First State Bank
Oklahoma City, Oklahoma

Katrina Washington
Owner
Stratos Realty Group
Oklahoma City, Oklahoma

Dana S. Weber
President and CEO
Webco Industries, Inc.
Sand Springs, Oklahoma

2019 Board of Directors

Clint D. Abernathy, Chair of the Branch Board
President
Abernathy Farms, Inc.
Altus, Oklahoma

J. Walter Duncan IV
President
Duncan Oil Properties, Inc.
Oklahoma City, Oklahoma

Tina Patel
Chief Financial Officer 
Promise Hotels, Inc. 
Tulsa, Oklahoma

Susan Chapman Plumb
Board Chair and CEO
Bank of Cherokee County
Tahlequah, Oklahoma

Christopher C. Turner
President and CFO
The First State Bank
Oklahoma City, Oklahoma

Katrina Washington
Owner
Stratos Realty Group
Oklahoma City, Oklahoma

Dana S. Weber
President and CEO
Webco Industries, Inc.
Sand Springs, Oklahoma

2018 Board of Directors

Clint D. Abernathy, Chair of the Branch Board
President
Abernathy Farms, Inc.
Altus, Oklahoma

Michael C. Coffman
Retired President and CEO
Panhandle Oil and Gas, Inc.
Oklahoma City, Oklahoma

Tina Patel
Chief Financial Officer 
Promise Hotels, Inc. 
Tulsa, Oklahoma

Susan Chapman Plumb
Chief Operating Officer and Counsel
Bank of Cherokee County
Tahlequah, Oklahoma

Christopher C. Turner
President and CFO
The First State Bank
Oklahoma City, Oklahoma

Katrina Washington
Owner
Stratos Realty Group
Oklahoma City, Oklahoma

Dana S. Weber
President and CEO
Webco Industries, Inc.
Sand Springs, Oklahoma

2017 Board of Directors

Peter B. Delaney, Chair of Branch Board
Retired Chairman and CEO
OGE Energy Corp.
Oklahoma City, Oklahoma

Clint D. Abernathy
President
Abernathy Farms, Inc.
Altus, Oklahoma

Michael C. Coffman
Retired President and CEO
Panhandle Oil and Gas, Inc.
Oklahoma City, Oklahoma

Charles R. Hall 
Chairman and CEO
Exchange Bank and Trust Company
Perry, Oklahoma

Tina Patel
Chief Financial Officer 
Promise Hotels, Inc. 
Tulsa, Oklahoma

Susan Chapman Plumb
Chief Operating Officer and Counsel
Bank of Cherokee County
Tahlequah, Oklahoma

Katrina Washington
Owner
Stratos Realty Group LLC
Oklahoma City, Oklahoma

2016 Board of Directors

Peter B. Delaney, Chair of Branch Board
Chairman
OGE Energy Corp.
Interim CEO
Enable Midstream Partners
Oklahoma City, Oklahoma

Clint D. Abernathy
President
Abernathy Farms, Inc.
Altus, Oklahoma

Michael C. Coffman
President and CEO
Panhandle Oil and Gas, Inc.
Oklahoma City, Oklahoma

Charles R. Hall 
Chairman and CEO
Exchange Bank and Trust Company
Perry, Oklahoma

Jane Haskin
President and Chief Executive Officer
First Bethany Bank & Trust
Bethany, Oklahoma

Tina Patel
Chief Financial Officer 
Promise Hotels, Inc. 
Tulsa, Oklahoma

Doug Stussi 
Executive Vice President and Chief Financial Officer 
Love's Travel Stops and Country Stores
Oklahoma City, Oklahoma

2015 Board of Directors

Peter B. Delaney, Chair of Branch Board
Chairman
OGE Energy Corp.
Interim CEO
Enable Midstream Partners
Oklahoma City, Oklahoma

Clint D. Abernathy
President
Abernathy Farms, Inc.
Altus, Oklahoma

Michael C. Coffman
President and CEO
Panhandle Oil and Gas, Inc.
Oklahoma City, Oklahoma

Charles R. Hall 
Chairman and CEO
Exchange Bank and Trust Company
Perry, Oklahoma

Jane Haskin
President and Chief Executive Officer
First Bethany Bank & Trust
Bethany, Oklahoma

Tina Patel
Chief Financial Officer 
Promise Hotels, Inc. 
Tulsa, Oklahoma

Doug Stussi 
Executive Vice President and Chief Financial Officer 
Love's Travel Stops and Country Stores
Oklahoma City, Oklahoma

2014 Board of Directors

James D. Dunn, Chair of Branch Board
Chair
Mill Creek Lumber & Supply Company
Tulsa, Oklahoma

Clint D. Abernathy
Owner
Abernathy Farms
Altus, Oklahoma

Linda Capps
Vice Chairman
Citizen Potawatomi Nation
Shawnee, Oklahoma

Michael C. Coffman
President & CEO
Panhandle Oil & Gas, Inc.
Oklahoma City, OK

Peter B. Delaney
Chairman, Chief Executive Officer, and President
OGE Energy Corporation
Oklahoma City, Oklahoma

Jane Haskin
President & CEO
First Bethany Bank & Trust
Bethany, Oklahoma

Charles R. Hall
Chairman & CEO
Exchange Bank & Trust Company
Perry, Oklahoma

2013 Board of Directors

James D. Dunn, Chair of Branch Board
Chair
Mill Creek Lumber & Supply Company
Tulsa, Oklahoma

Paula D. Bryant-Ellis
Chief Operating Officer
BOK Financial Mortgage Group
Tulsa, Oklahoma
Oklahoma Board of Directors

Linda Capps
Vice Chairman
Citizen Potawatomi Nation
Shawnee, Oklahoma

Michael C. Coffman
President & CEO
Panhandle Oil & Gas, Inc.
Oklahoma City, OK

Peter B. Delaney
Chairman, Chief Executive Officer, and President
OGE Energy Corporation
Oklahoma City, Oklahoma

Douglas E. Tippens
President and CEO
Bank of Commerce
Yukon, Oklahoma

K. Vasudevan
Chairman and Founder
Service & Technology Corporation
Bartlesville, Oklahoma

2012 Board of Directors

James D. Dunn, Chair of Branch Board
Chair
Mill Creek Lumber & Supply Company
Tulsa, Oklahoma

Linda Capps
Vice Chairman
Citizen Potawatomi Nation
Shawnee, Oklahoma

Peter B. Delaney
Chairman, Chief Executive Officer, and President
OGE Energy Corporation
Oklahoma City, Oklahoma

Jacqueline R. Fiegel
Senior EVP & COO
Coppermark Bank
Oklahoma City, Oklahoma

Rose M. Washington
Executive Director
Tulsa Economic Development Corporation
Tulsa, Oklahoma

Douglas E. Tippens
President and CEO
Bank of Commerce
Yukon, Oklahoma

K. Vasudevan
Chairman and Founder
Service and Technology Corporation
Bartlesville, Oklahoma

2011 Board of Directors

Steven C. Agee
Dean and Professor of Economics
Oklahoma City University
Oklahoma City, Oklahoma

James D. Dunn
Chairman
Mill Creek Lumber & Supply Company
Tulsa, Oklahoma

Jacqueline R. Fiegel
Senior Executive Vice President and COO
Coppermark Bank
Oklahoma City, Oklahoma

Rose Washington
Executive Director
TEDC Creative Capital
Tulsa, Oklahoma

Douglas E. Tippens
President and CEO
Bank of Commerce
Yukon, Oklahoma

K. Vasudevan
Chairman and Founder
Service and Technology Corporation
Bartlesville, Oklahoma

2010 Board of Directors

Steven C. Agee, Chairman
President
Agee Energy, LLC
Oklahoma City, Oklahoma

Bill Anoatubby
Governor
Chickasaw Nation
Ada, Oklahoma

James D. Dunn
Chair
Mill Creek Lumber & Supply Co.
Tulsa, Oklahoma

Jacqueline R. Fiegel
Senior Executive Vice President and COO
Coppermark Bank
Oklahoma City, Oklahoma

Rose Washington
Executive Director
TEDC Creative Capital
Tulsa, Oklahoma

Douglas E. Tippens
President and CEO
Bank of Commerce
Yukon, Oklahoma

K. Vasudevan
Chairman and Founder
Service and Technology Corporation
Bartlesville, Oklahoma

2009 Board of Directors

Steven C. Agee, Chairman
President
Agee Energy, LLC
Oklahoma City, Oklahoma

Terry M. Almon
President
Oklahoma Community Capital Corporation
Broken Arrow, Oklahoma

Bill Anoatubby
Governor
Chickasaw Nation
Ada, Oklahoma

James D. Dunn
Chair
Mill Creek Lumber & Supply Co.
Tulsa, Oklahoma

Fred M. Ramos
President
RGF, Inc.
Oklahoma City, Oklahoma

Douglas E. Tippens
President and CEO
Canadian State Bank
Yukon, Oklahoma

K. Vasudevan
Chairman and Founder
Service and Technology Corporation
Bartlesville, Oklahoma

2008 Board of Directors

Richard K. Ratcliffe, Chairman
Chairman
Ratcliffe’s Inc.
Weatherford, Oklahoma

Steven C. Agee
President
Agee Energy, LLC
Oklahoma City, Oklahoma

Terry A. Almon
President
Oklahoma Community Capital Corporation
Broken Arrow, Oklahoma

Steve Burrage (resigned July 7, 2008)
Chairman
FirstBank
Antlers, Oklahoma

James D. Dunn
Chair
Mill Creek Lumber & Supply Co.
Tulsa, Oklahoma

Barry H. Golsen (resigned late 2008)
Board Vice-Chairman
President and COO
LSB Industries, Inc.
Oklahoma City, Oklahoma

Fred M. Ramos
President
RGF, Inc.
Oklahoma City, Oklahoma

Douglas E. Tippens
President & CEO
Canadian State Bank
Yukon, Oklahoma

2007 Board of Directors

Richard K. Ratcliffe, Chairman
Chairman
Ratcliffe's Inc.
Weatherford, Oklahoma

Steven C. Agee
President
Agee Energy LLC
Oklahoma City, Oklahoma

Terry M. Almon
President and CEO
Arkansas Valley State Bank
Broken Arrow, Oklahoma

Steve Burrage
Chairman of the Board
FirstBank
Antlers, Oklahoma

Michael A. Cawley
President and CEO
The Samuel Roberts Noble Foundation
Ardmore, Oklahoma

Barry H. Golsen
Board Vice-Chairman, President and COO
LSB Industries, Inc.
Oklahoma City, Oklahoma

Fred M. Ramos
Executive Director
State Hispanic Chamber of Commerce
Oklahoma City, Oklahoma

2006 Board of Directors

Richard K. Ratcliffe, Chairman
Chairman
Ratcliffe's, Inc.
Weatherford, Oklahoma

Tyree O. Minner, Chairman
(January 1, 2006 - May 31, 2006)
Plant Manager
General Motors Oklahoma City City Assembly Plant
Oklahoma City, Oklahoma

Steven C. Agee
President
Agee Energy, LLC
Oklahoma City, Oklahoma

Terry M. Almon
President and CEO
Arkansas Valley State Bank
Broken Arrow, Oklahoma

Michael A. Cawley
President and COO
The Samuel Roberts Noble Foundation, Inc.
Ardmore, Oklahoma

Robert R. Gilbert, III
President, COO and Director
The F&M Bank & Trust Co.
Tulsa, Oklahoma

Barry H. Golsen
Board Vice-Chairman, President and COO
LSB Industries, Inc.
Oklahoma City, Oklahoma

Michael J. Packnett
President and CEO
Mercy  Health Center
Oklahoma City, Oklahoma

Fred M. Ramos
President
Greater Tulsa Hispanic Chamber of Commerce
Oklahoma City, Oklahoma

2005 Board of Directors

Tyree O. Minner, Chairman
Plant Manager
General Motors, Oklahoma City Assembly Plant
Oklahoma City, Oklahoma

Terry M. Almon
President and CEO
Arkansas Valley State Bank
Broken Arrow, Oklahoma

Robert R. Gilbert, III
President, COO and Director
The F&M Bank & Trust Co.
Tulsa, Oklahoma

J. Larry Nichols
Chairman and CEO
Devon Energy Corporation
Oklahoma City, Oklahoma

Michael J. Packnett
President and CEO
Mercy Health Center
Oklahoma City, Oklahoma

Fred M. Ramos
President
Greater Tulsa Hispanic Chamber of Commerce
Tulsa, Oklahoma

Richard K. Ratcliffe
Chairman
Ratcliffe's Inc.
Weatherford, Oklahoma

2004 Board of Directors

Tyree O. Minner, Chairman
Plant Manager
General Motors, Oklahoma City Assembly Plant
Oklahoma City, Oklahoma

Robert R. Gilbert, III
President, COO and Director
The F&M Bank & Trust Co.
Tulsa, Oklahoma

W. Carlisle Mabrey, III
President and CEO
Citizens Bank & Trust Company
Okmulgee, Oklahoma

J. Larry Nichols
Chairman and CEO
Devon Energy Corporation
Oklahoma City, Oklahoma

Michael J. Packnett
President and CEO
Mercy Health Center
Oklahoma City, Oklahoma

Fred M. Ramos
President
Greater Tulsa Hispanic Chamber of Commerce
Tulsa, Oklahoma

Richard K. Ratcliffe
Chairman
Ratcliffe's Inc.
Weatherford, Oklahoma

2003 Board of Directors

Patricia B. Fennell, Chairman
Executive Director
Latino Community Development Agency
Oklahoma City, Oklahoma

Robert A. Funk
Chairman of the Board and CEO
Express Personnel Services International
Oklahoma City, Oklahoma

Robert R. Gilbert, III
President and COO
The F&M Bank & Trust Co.
Tulsa, Oklahoma

J. Clifford Hudson
Chairman of the Board and CEO
Sonic Corp.
Oklahoma City, Oklahoma

W. Carlisle Mabrey, III
President and CEO
Citizens Bank & Trust Company
Okmulgee, Oklahoma

Tyree O. Minner
Plant Manager
General Motors, Oklahoma City Assembly Plant
Oklahoma City, Oklahoma

Richard K. Ratcliffe
Chairman
Ratcliffe's Inc.
Weatherford, Oklahoma

2002 Board of Directors

Patricia B. Fennell, Chairman
Executive Director
Latino Community Development Agency
Oklahoma City, Oklahoma

Robert A. Funk
Chairman of the Board and CEO
Express Personnel Services International
Oklahoma City, Oklahoma

Robert R. Gilbert, III
President and CEO
The F&M Bank & Trust Co.
Tulsa, Oklahoma

J. Clifford Hudson
Chairman of the Board and CEO
Sonic Corp.
Oklahoma City, Oklahoma

W. Carlisle Mabrey, III
President and CEO
Citizens Bank & Trust Company
Okmulgee, Oklahoma

Russell W. Teubner
Founder and Director
Esker, Inc.
Stillwater, Oklahoma

2001 Board of Directors

Patricia B. Fennell, Chairman
Executive Director
Latino Community Development Agency
Oklahoma City, Oklahoma

Robert A. Funk
Chairman of the Board and CEO
Express Personnel Services International
Oklahoma City, Oklahoma

J. Clifford Hudson
Chairman and CEO
Sonic Corp.
Oklahoma City, Oklahoma

W. Carlisle Mabrey, III
President and CEO
Citizens Bank & Trust Company
Okmulgee, Oklahoma

Betty Bryant Shaull
President-Elect and Director
Bank of Cushing and Trust Company
Cushing, Oklahoma

Russell W. Teubner
Founder and Director
Esker, Inc.
Stillwater, Oklahoma

Cuba Wadlington, Jr.
President and CEO
Williams Gas Pipeline
Tulsa, Oklahoma

2000 Board of Directors

Larry W. Brummett, Chairman
(January - August 2000)
Chairman, President and CEO
ONEOK, Inc.
Tulsa, Oklahoma

Patricia B. Fennell, Chairman
(August - December 2000)
Executive Director
Latino Community Development Agency
Oklahoma City, Oklahoma

William H. Braum
Owner
W.H. Braum, Inc. and
Retail Buildings, Inc.
Oklahoma City, Oklahoma

Robert A. Funk
Chairman of the Board and CEO
Express Personnel Services International
Oklahoma City, Oklahoma

David Kruse
Senior Vice President
American Airlines Maintenance and
Engineering Center
Tulsa, Oklahoma

W. Carlisle Mabrey, III
President and CEO
Citizens Bank & Trust Company
Okmulgee, Oklahoma

Michael S. Samis
Chairman and CEO
M-D Building Products, Inc.
Oklahoma City, Oklahoma

Betty Bryant Shaull
President-Elect and Director
Bank of Cushing and Trust Company
Cushing, Oklahoma

1999 Board of Directors

Larry W. Brummett, Chairman
President and CEO
ONEOK, Inc.
Tulsa, Oklahoma

William H. Braum
Owner
W.H. Braum, Inc. and
Retail Buildings, Inc.
Oklahoma City, Oklahoma

Patricia B. Fennell
Executive Director
Latino Community Development Agency
Oklahoma City, Oklahoma

David Kruse
Senior Vice President
American Airlines Maintenance and
Engineering Center
Tulsa, Oklahoma

W. Carlisle Mabrey, III
President and CEO
Citizens Bank & Trust Company
Okmulgee, Oklahoma

Michael S. Samis
President and CEO
Macklanburg-Duncan Co.
Oklahoma City, Oklahoma

Betty Bryant Shaull
President-Elect and Director
Bank of Cushing and Trust Company
Cushing, Oklahoma

1998 Board of Directors

Barry L. Eller, Chairman
Senior Vice President and General Manager
MerCruiser
Stillwater, Oklahoma

William H. Braum
President
Braum Ice Cream Company
Oklahoma City, Oklahoma

Larry W. Brummett
Chairman, President, and CEO
ONEOK, Inc.
Tulsa, Oklahoma

Patricia B. Fennell
Executive Director
Latino Community Development Agency
Oklahoma City, Oklahoma

Dennis M. Mitchell
Vice Chairman
Citizens Bank and Trust Company
Armdore, Oklahoma

Michael S. Samis
President and CEO
Macklanburg-Duncan Company
Oklahoma City, Oklahoma

Betty Bryant Shaull
President-Elect and Director
Bank of Cushing and Trust Company
Cushing, Oklahoma

1997 Board of Directors

Barry L. Eller, Chairman
Senior Vice President and General Manager
MerCruiser
Stillwater, Oklahoma

William H. Braum
President
Braum Ice Cream Company
Oklahoma City, Oklahoma

Larry W. Brummett
Chairman, President, and CEO
ONEOK, Inc.
Tulsa, Oklahoma

Dennis M. Mitchell
President
Citizens Bank of Ardmore
Ardmore, Oklahoma

Michael S. Samis
President and CEO
Macklanburg-Duncan Co.
Oklahoma City, Oklahoma

Victor R. Schock
President and CEO
Consumer Credit Counseling Services
Tulsa, Oklahoma

Betty Bryant Shaull
President-Elect and Director
Bank of Cushing and Trust Company
Cushing, Oklahoma

1996 Board of Directors

Barry L. Eller, Chairman
Senior Vice President and General Manager
MerCruiser
Stillwater, Oklahoma

William H. Braum
President
Braum Ice Cream Company
Oklahoma City, Oklahoma

Hans C. Helmerich
President and CEO
Helmerich & Payne, Inc.
Tulsa, Oklahoma

Dennis M. Mitchell
President
Citizens Bank of Ardmore
Ardmore, Oklahoma

Michael S. Samis
President and CEO
Macklanburg-Duncan Co.
Oklahoma City, Oklahoma

Victor R. Schock
President and CEO
Credit Counseling Centers
Tulsa, Oklahoma

Betty Bryant Shaull
President-Elect and Director
Bank of Cushing and Trust Company
Cushing, Oklahoma

1995 Board of Directors

Ernest L. Holloway, Chairman
President
Langston University
Langston, Oklahoma

Gordona Duca
President and Owner
Gordona Duca, Inc., Realtors
Tulsa, Oklahoma

Barry L. Eller
Senior Vice President and General Manager
MerCruiser
Stillwater, Oklahoma

C. Kendric Fergeson
Chairman and CEO
The National Bank of Commerce
Altus, Oklahoma

Dennis M. Mitchell
Vice Chairman
Citizens Bank of Ardmore
Ardmore, Oklahoma

Michael S. Samis
President and CEO
Macklanburg-Duncan Co.
Oklahoma City, Oklahoma

Victor R. Schock
President and CEO
Consumer Credit Counseling Services
of Oklahoma, Inc.
Tulsa, Oklahoma

1994 Board of Directors

Ernest L. Holloway, Chairman
President
Langston University
Langston, Oklahoma

Gordona Duca
President and Owner
Gordona Duca, Inc., Realtors
Tulsa, Oklahoma

Barry L. Eller
Senior Vice President and General Manager
MerCruiser
Stillwater, Oklahoma

C. Kendric Fergeson
Chairman and CEO
The National Bank of Commerce
Altus, Oklahoma

John Wm. Laisle
President and CEO
MidFirst Bank, SSB
Oklahoma City, Oklahoma

Dennis M. Mitchell
President
Citizens Bank of Ardmore
Ardmore, Oklahoma

Victor R. Schock
President and CEO
Consumer Credit Counseling Services
of Oklahoma, Inc.
Tulsa, Oklahoma

1993 Board of Directors

Ernest L. Holloway, Chairman
President
Langston University
Langston, Oklahoma

Gordona Duca
President and Owner
Gordona Duca, Inc., Realtors
Tulsa, Oklahoma

Barry L. Eller
Senior Vice President and General Manager
MerCruiser
Stillwater, Oklahoma

C. Kendric Fergeson
Chairman and CEO
The National Bank of Commerce
Altus, Oklahoma

John Wm. Laisle
President and CEO
MidFirst Bank, SSB
Oklahoma City, Oklahoma

Dennis M. Mitchell
President
Citizens Bank of Ardmore
Ardmore, Oklahoma

Victor R. Schock
President and CEO
Consumer Credit Counseling Services
of Oklahoma, Inc.
Tulsa, Oklahoma

1992 Board of Directors

Ernest L. Holloway, Chairman
President
Langston University
Langston, Oklahoma

Gordona Duca
President and Owner
Gordona Duca, Inc., Realtors
Tulsa, Oklahoma

C. Kendric Fergeson
Chairman and CEO
The National Bank of Commerce
Altus, Oklahoma

John Wm. Laisle
President and CEO
MidFirst Bank, SSB
Oklahoma City, Oklahoma

Victor R. Schock
President and CEO
Credit Counseling Centers
of Oklahoma, Inc.
Tulsa, Oklahoma