Diane Sinn

Diane Sinn is an experienced banking professional currently serving as the Regional Bank Manager at the Bank of Belleville since June 2022. Prior to this role, Diane held the position of Premier Client Manager at First Bank from January 2021 to May 2022, focusing on small business banking and relationship management. Diane's extensive background also includes serving as Vice President and Branch Manager at BMO Harris Bank from June 2007 to October 2017 and as Vice President at Southwest Bank of St. Louis from June 2003 to June 2007. Diane's education includes a Bachelor of Arts degree from McKendree University and attendance at Belleville Area College, along with graduation from Belleville East High School.