John Gieske

John Gieske is an experienced finance professional currently serving as an SBA Portfolio Manager at Wintrust Financial Corporation since November 2022. Prior to this role, John held various positions at St. Charles Bank & Trust from July 2017 to August 2021, including Loan Processor, Personal Banker, and Bank Teller. Responsibilities encompassed gathering loan application information, evaluating credit histories, assisting customers with account management, and processing transactions. John earned a Bachelor of Science in Finance from Northern Illinois University and an Associate of Arts and Sciences in Accounting and Finance from Elgin Community College.