Gary Alan Kieper of Antigo, Wisconsin, a stockbroker previously registered with Thrivent Investment Management Inc., has been barred from associating with any Financial Industry Regulatory Authority (FINRA) member in any capacity because Kieper failed to appear for testimony in an investigation. Letter of Acceptance, Waiver, and Consent No. 2024081689201 (May 21, 2024). FINRA’s action stems…