Michael Monterrubio, Alliance Bank of Arizona

Michael Monterrubio

Vice President, Portfolio Management Supervisor

(480) 998-6548


Michael Monterrubio is vice president, portfolio management supervisor, for Alliance Bank of Arizona’s Business and Consumer Loan Center, which provides lines of credit, term loans, SBA Express loans, business overdraft protection and credit cards to small business customers. He joined the organization in 2013 and has more than 20 years of banking industry experience.

Mr. Monterrubio earned a bachelor’s degree in Economics from the University of California, Los Angeles, and his MBA degree from the University of Arizona’s Eller College of Management.

About Us

Alliance Bank of Arizona, a division of Western Alliance Bank, Member FDIC, helps business clients realize their ambitions. Founded in 2003, Alliance Bank of Arizona offers a full spectrum of loan, deposit and treasury management capabilities, plus superior service. With 10 offices in Greater Phoenix, Tucson and Flagstaff, along with Western Alliance Bank’s powerful array of specialized financial services, the banking division is a valued resource for Arizona’s business, real estate, professional, municipal and nonprofit communities. Alliance Bank’s wide-ranging commitment to giving back to its communities earned the prestigious 2018 Corporate Philanthropy Award from the Phoenix Business Journal. Western Alliance Bank is the primary subsidiary of Phoenix-based Western Alliance Bancorporation. One of the country’s top-performing banking companies, Western Alliance has ranked in the top 10 on the Forbes “Best Banks in America” list for five consecutive years, 2016-2020, and was named #1 best-performing of the 50 largest public U.S. banks for 2019 by S&P Global Market Intelligence.