Sandy Cook Headshot

Sandy Cook

Senior Director HOA Operations

Sandy Cook is senior director of HOA operations for the Association Banking group at Western Alliance Bank. As a seasoned banking operations executive, she brings nearly five decades of experience across the financial services industry. Ms. Cook has led complex operational functions supporting HOA banking, lending, treasury services and branch operations, and has played a key role in mergers and acquisitions that required aligning teams, systems and cultures. Known for a collaborative leadership style, she builds high-performing teams focused on service excellence, operational discipline and sustainable growth, consistently delivering strong financial results while improving efficiency. 

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About Us

Western Alliance Bank

Western Alliance Bancorporation (NYSE:WAL) is one of the country’s top-performing banking companies. Its primary subsidiary, Western Alliance Bank, Member FDIC, is a leading national bank for business that puts customers first, delivering tailored business banking solutions and consumer products backed by outstanding, personalized service and specific expertise in more than 30 industries and sectors. With $90 billion in assets and offices nationwide, Western Alliance has ranked as a top U.S. bank by American Banker and Bank Director since 2016. In 2025, Western Alliance Bancorporation was #2 for Best CEO, Best CFO and Best Company Board of Directors on Extel’s All-America Executive Team Midcap Banks list. 

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