John "Robert" A. Thorson serves as the Senior Vice President and Treasurer at Westamerica Bancorporation, a position he has held with distinction. With a robust background in financial management and banking, Thorson has been an integral part of Westamerica Bancorporation's executive team. His career at the company spans several years, during which he has demonstrated a keen ability to manage the financial operations and strategic planning of the organization. Thorson's expertise in treasury management and his strategic foresight have been pivotal in steering the company through various economic climates, ensuring its financial stability and growth. Prior to his role at Westamerica Bancorporation, Thorson held various positions in the financial sector, gaining extensive experience in banking and finance. His career is marked by a series of achievements that highlight his capability to drive financial performance and enhance shareholder value. At Westamerica Bancorporation, Thorson is responsible for overseeing the company's treasury functions, which include liquidity management, investment strategies, and risk management. His leadership has been crucial in maintaining the company's strong financial position and in navigating the complexities of the banking industry. Thorson's dedication to his role and his strategic contributions continue to play a vital role in the ongoing success of Westamerica Bancorporation.