Dennis Koogler, 70, passed away Saturday, August 1, 2020 in New Haven, IN. He was born in Fort Wayne to the late Jack Koogler Sr. and Clara Hoag. Dennis worked for the Chain of Lakes Correctional Facility for 20 years and also for the Fort Wayne Auto Auction. Dennis served his country as a member of the U.S. Army. He is survived by his children, Jacquelyn Jastrzemski, Darcy Parisian, Dennis "Nick" (Randi) Koogler, and JaMarcus Tinker; 8 grandchildren; brothers, Jack (Cathy) Koogler Jr., Douglas Koogler, and John (Jean) Koogler. Service is 6:00 pm, Tuesday, August 11, 2020 at St. Joe Community Church, 2900 N. Anthony Blvd., with calling 3 hours prior beginning at 3:00 pm. Memorials may be made to AA or the American Cancer Society. To sign the online guestbook, go to www.fairhavenfortwayne.com