... complete meeting management
Who is OSI?
OSI is a women-owned and women-led event production company based in Ann Arbor, Michigan. Founded in 1993 by CJ Zehnder and proudly purchased by Stephanie Nishioka in 2025, OSI continues its legacy as a trusted one-stop resource for beautifully designed and flawlessly executed meetings and events.
For more than two decades, we’ve partnered with clients across the U.S. and around the globe to produce unforgettable experiences. Our close relationships with top-tier vendors, combined with our creativity and attention to detail, allow us to deliver standout events tailored to your unique vision.
From lighting to logistics, menus to music, we manage every aspect so you can focus on being present. Our passionate, design-forward team thrives on turning ideas into reality and ensuring every element works in harmony.
Meet The Team
Stephanie Nishioka
Owner and Lead Strategist
Tanisha Kuykendall
Attendee Experience Coordinator
Alexis Ferrari
Senior Event Producer
Jaydee Betances
Attendee Experience Coordinator
In Partnership With:
Geeks and Gurus
Steve Bodnar
Geeks and Gurus has worked with OSI for over 15 years providing a full spectrum of audiovisual services, including laptops, projectors, microphones, amplification, live streaming, social media displays and much more. Steve and his team provide pre and post conference services, such as collecting presentation materials from speakers and creating websites to disseminate presentation materials. Geeks and Gurus is on site at every event.