Sean Brennan

Commercial Banking Regional Manager


10500 NE 8th Street, Suite 1500
Bellevue, WA 98004


  • Commercial Banking
  • Acquisition Financing
  • Treasury Management

About Sean Brennan

Sean Brennan was a co-founder of Puget Sound Bank in 2005 before it was acquired by Heritage Bank in 2018. He has been in the banking industry for over 30 years and specializes in commercial banking products and services, business acquisition financing, credit structuring and underwriting, treasury management and business development. He helps dreams become a reality by strengthening business communities and fostering trust-based relationships with his customers. In his community, Sean volunteers with Plymouth Housing, Recovery Café and St. Joseph Parish. He serves on the board of the Seattle University Youth Initiative Advisory Committee and was on the board of directors for a $150 million private operating company from2010-2017. Sean was even a celebrity dancer in Plymouth Housing’s 2019 Seattle Dances to raise money and support Plymouth Housing’s mission of bringing people out of homelessness and into safe homes. In his free time, Sean stays active by running, biking and hiking.