Tom Biolchini, Chairman and CEO

Tom Biolchini is the Chairman and Chief Executive Officer of Vast Bank. Tom practiced law with Crowe & Dunlevy and Stuart, Biolchini & Turner until he became a full-time banker.

Tom is active in numerous philanthropic endeavors in the Tulsa community and is the Chairman of the Tulsa Regional Chamber of Commerce. Tom is also a member of YPO, a leadership community of chief executives. Tom earned his BA from the University of Notre Dame and worked for Jones Lang Lasalle as a financial analyst in Chicago before returning to Notre Dame to earn his MBA and JD degrees.

Doug DeJarnette, President

Doug DeJarnette is President of Vast Bank and has deep roots in the Tulsa banking community with an emphasis on a concierge approach to relationship banking. After growing the Bank of Oklahoma's Private Bank, Doug took the reins of the F&M Bank and Trust Company's Private Bank and Mortgage Company in the Tulsa and Dallas markets. Doug focuses his philanthropic time and energy on Tulsa’s public assets and the arts, having served many organizations and most recently serving as Treasurer for the Arts Alliance as well as the University of Tulsa’s Friends of Finance. He is also a member of Young Presidents Organization (YPO). Doug received his BA from the University of Oklahoma and he joined Vast Bank in 2014.

Veronica Bickerstaff, Chief Financial Officer 

Veronica Bickerstaff is the Chief Financial Officer of Vast Bank. Veronica began her career in the audit and consulting practices at PWC and Deloitte, and she has more than 26 years of experience in auditing and accounting, including nineteen years of experience in banking. Veronica joined Vast Bank in 2018. Veronica earned her BS from Oklahoma State University with honors, and she is a Certified Public Accountant.

John Yarbrough, Chief Credit Officer and Chief Risk Officer

John Yarbrough is the Chief Credit Officer and Chief Risk Officer of Vast Bank. John has been with Vast Bank since 2017 and has more than 39 years of experience in the banking industry. He has held multiple executive positions, including market president, chief risk officer, and chief credit officer. John is the former founder, president, and CEO of Sentry Risk Management Services. In his current position, John manages the coordination and oversight of the bank’s credit risk management activities, is responsible for reporting the status of credit risk to the Board of Directors, and provides guidance to loan officers and credit analysts on the bank’s overall lending policy, credit risk appetite and best practices.

Todd Coates, Chief Information Security Officer

Todd Coates is the Chief Information Security Officer of Vast Bank. With nearly 30 years of experience leading corporate technology, and cybersecurity teams across various industries, he oversees security and safety for Vast, protecting information assets, customer data and employees. Todd began his career as a technical auditor and has served as CIO for both private and public organizations. As a Certified Information Systems Auditor, he has extensive experience in risk mitigation, business resiliency, training, safety, and overall security practices. Todd obtained his BS from Oklahoma State University.

Kristen Wagner, SVP, Chief People Officer

Kristen Wagner is the SVP, Chief People Officer of Vast Bank, joining the organization in 2023. Kristen has 14 years of human resource experience, formerly serving as the VP and Team Recruiting Manager at Mabrey Bank. She has worked in banking since 2008, starting her career at BOK in Fiduciary tax before pivoting into a successful 11-year career in the HR organization. She graduated from the University of Phoenix with a Bachelor of Science in Management and is a Certified Leadership Coach. Kristen brings focused experience in all aspects of the employee life cycle.

Kerri Faw Faw, Director of Operations

Kerri Faw Faw is the SVP, Director of Operations of Vast Bank. With more than 26 years of experience in the banking industry, Kerri specializes in efficiency improvements, operations management, project management, data analysis and automation. Kerri oversees multiple traditional banking operational and servicing teams, including deposit, loan, and treasury. Kerri earned her BA from the University of North Texas, Denton, and she is certified by the Oklahoma Bankers Association.

Yvette Martinez, Director of Branch Operations

Yvette Martinez is the SVP, Direct of Branch Operations of Vast Bank. Formerly a vice president at the F&M Bank and Trust Company, Prosperity Bank, and Bank of Oklahoma, Yvette has more than 24 years of experience in the financial services industry. Yvette is responsible for the Vast Bank Retail Banking network, including branch sales, service and operation, product development, digital offerings including Vast Mobile Banking, and facilities management. Yvette received her BA from Northeastern State University; she joined Vast Bank in 2018.