Eleanor Wallen

Director of Events

Eleanor loves throwing a great party! With over 16 years in the industry, she has a wide range of experience working with corporations, non-profits, and association planning. Eleanor holds a master’s degree from Johnson & Wales University, Denver and enjoys spending time with friends outdoors when she’s not working.



Jeffrey Hairston

Executive Chef

A native to Columbus, Ohio Chef Jeff is excited to join the SSA COSI team and be at the center of it all! Jeff has a wealth of experience in the culinary world, most notably with BrewDog at Canal Winchester, the Hilton Downtown Columbus, and Hilton Easton Towne Center. He enjoys cooking for his family, taking his kids to the pool, and watching Marvel movies. He also enjoys spending his free time in the outdoors.



Austi Jasinski

Events Sales Manager

One half of the dynamic Sales Team duo, Austi enjoys using her creativity to bring large-scale events to unique and smooth fruition. When not in the office you can find her practicing yoga, nurturing her succulent babies or checking out the local breweries.



Savannah Ranz

Event Sales Manager

Savannah joined the COSI Events Team in the spring of 2017. In her role as Event Sales Manager, Savannah works directly with clients throughout the event planning process. She tours the facility spaces, creates contracts, details the events, and more. Outside of the office, Savannah loves spending time with family and her dog Zito. She also enjoys traveling to her family’s vacation home in Naples, Florida



Aaron Freeman

Events Operation Manager

“Aaron Freeman has been in the events industry for eighteen years. Prior to COSI Aaron worked at The Ohio State University, Otterbein University, and The Columbus Museum of Art. As the Catering Operations Manager he oversees the execution of all internal and external events at COSI.”