Randall S. Theisen is Chief Corporate Affairs Officer and Special Counsel for Western Alliance Bancorporation, overseeing the company’s corporate communications, marketing, government relations and community relations functions. He previously served as Chief Legal Officer from 2006 to 2023. 
Prior to joining Western Alliance, Mr. Theisen spent more than 20 years in private practice representing financial institutions in banking, corporate and financial services law, including serving as head of the Financial Institutions Practice Group of a major Phoenix-based law firm.
He has been named a “Leading Lawyer” and “Best of the Bar” banking attorney by The Business Journal of Phoenix and the “Arizona Public Company Counsel of the Year” by the Association of Corporate Counsel. 
Mr. Theisen earned his Bachelor of Arts degree from the University of Wisconsin-Madison and his J.D. with honors from the Sandra Day O’Connor School of Law at Arizona State University, where he served on law review, among numerous other academic distinctions.

About Us

Western Alliance Bank

With more than $70 billion in assets, Western Alliance Bancorporation is one of the country’s top-performing banking companies. Its primary subsidiary, Western Alliance Bank, Member FDIC, offers a full spectrum of tailored commercial banking solutions and consumer products, all delivered with outstanding service by banking and mortgage experts who put customers first. Major accolades include being ranked as a top U.S. bank in 2023 by American Banker and Bank Director and receiving #1 rankings on Institutional Investor's All-America Executive Team Midcap 2023-2024 for Best CEO, Best CFO, Best Company Board of Directors and Best Investor Relations Team. Serving clients across the country wherever business happens, Western Alliance Bank operates individual, full-service banking and financial brands with offices in key markets nationwide.