News

OSA – Chicago Wolves Hockey Game: The OSA is going to a Wolves game on Sunday, January 19, 2025. RSVP and buy tickets by December 10th. […]

It’s OSA Ad Book time again: We are seeking sponsors for the 47th Anniversary OSA Ad Book … materials are due by January 15, 2025. […]

46th Anniversary OSA Annual Meeting – Brief Recap: Scores of members and friends enjoyed the OSA’s 46th Annual Meeting on March 9, 2024 at Allegra Banquets in Villa Park, IL. During the evening, we held [...]