About Westamerica

Officers and Directors

Board of Directors

David L. Payne, Chairman, President and Chief Executive Officer, Westamerica Bancorporation; President and General Manager, Gibson Publications

E. Joseph Bowler, Retired Senior Vice President and Treasurer, Westamerica Bancorporation

Melanie Martella Chiesa, Doctor of Optometry, Monte Vista Optometry

Michele Hassid, Managing Partner, MGO

Catherine C. MacMillan
, Retired Attorney

Ronald A. Nelson
, Investments

Edward B. Sylvester
, Consulting Civil Engineer

Inez Wondeh, Chief Executive Officer, BASS Medical Group


Corporate Officers

David L. Payne, Chairman, President and Chief Executive Officer

Curtis Belton
, Vice President, General Auditor

Brian Donohoe
, Senior Vice President, Operations and Systems Division Manager

Steve Ensinger, Senior Vice President, Human Resources Division Manager

Russell Rizzardi, Senior Vice President, Chief Credit Administrator

Robert A. Thorson
, Senior Vice President, Treasurer

Jesse Leavitt, Senior Vice President, Chief Financial Officer


Management Officers

David L. Payne, Chairman, President and Chief Executive Officer

Brian Donohoe
, Senior Vice President, Operations and Systems Division Manager

Russell Rizzardi
, Senior Vice President, Chief Credit Administrator

Robert A. Thorson
, Senior Vice President, Treasurer

Jesse Leavitt
, Senior Vice President, Chief Financial Officer

Scroll to Top