Filter By Department
Building Operations and Guest Services
Darryl BradleyBuilding Operations and Guest Services
Facilities Maintenance Technician
216.615.7150 |
In his role as Facilities Maintenance Technician, Darryl works closely with the Building Operations and Guest Services team. His primary duties include work-order management and reporting, oversight of facilities maintenance, monitoring staff requests, and overall building & curb appeal. He is also responsible for managing third party contractors, monitoring the operations of building systems, HVAC, plumbing, electrical, fire suppression, alarm systems, and all other building management systems.
Darryl previously worked in this capacity with the Cleveland Foundation as HQ facilities engineer through our partnership with Signet Real Estate Group (the foundation’s property management company). He was instrumental in opening our HQ in 2023 and worked directly with staff to make their visions a reality in our new space.
Darryl has worked in the property management industry for 25 years, starting as a janitor and working his way up to a manager role, and has experience with both commercial and residential properties. Darryl is a Cleveland native (born and raised) and a graduate of Glenville High School and Cleveland State University, where he earned his accounting degree. He also has an HVAC certification.
When not working, Darryl enjoys spending time with his family, coaching high school sports, and riding motorcycles. Darryl has been coaching in Euclid for 15 years “helping our kids become better youth and helping them stay on the right track.”
Adam GeitherBuilding Operations and Guest Services
Senior Director of Building Operations
216.685.2005 |
Adam joined the foundation in September 2019 as Office Services Manager. In this role, Adam is responsible for the oversight of facility operations and a variety of office and security services to ensure the foundation’s office space is efficient, safe, and sustainable.
Prior to his role with the foundation, Adam spent over four years working in professional athletic facility operations. In his most recent role as the Manager of Ballpark & Event Operations with the Pittsburgh Pirates he oversaw the training and management of over 200 employees, ballpark incident management and many of the sustainability efforts at PNC Park.
Adam graduated with a Bachelor of Science in Sports Administration from Ohio University. He is actively involved in the Walk to End Alzheimer’s.
Charon HemansBuilding Operations and Guest Services
Reception & Front Desk Concierge
216.861.3810 |
Charon joined the Cleveland Foundation in March 2025. Her previous roles include serving as the Community Engagement Coordinator for MidTown Cleveland, where she built relationships with residents and nonprofit organizations while organizing programs and events to support the community. Additionally, she has experience in office management, sales management, and event planning, most recently as a Beauty Advisor/Makeup Artist Assistant Manager at Sephora. Charon also spent several years as a Front Office Manager/Switchboard Operator at Cleveland Housing Network, where she greeted visitors, managed a multi-line switchboard, and provided critical administrative support across departments.
Ellen KoonceBuilding Operations and Guest Services
Venue and Guest Services Associate
216.615.7144 |
Ellen joined the Building Operations and Guest Services team of the Cleveland Foundation in 2015 as the organization’s receptionist. In the fall of 2016, Ellen assumed the role of Administrative Services Coordinator, and in summer 2019, she assumed the role of Office Services Coordinator. She is responsible for office space mapping technology and provides oversight on daily maintenance issues, serves as liaison with building maintenance and is responsible for the implementation of a broad range of office services in addition to the operation of the Steven A. Minter Conference Center.
Prior to her assignment at the foundation, Ellen worked for 12 years at the Cleveland Housing Network, most recently as the Administrative Program Manager. In this role, she was responsible for the coordination of support services for low-income programs serving over 28,000 customers as well as the oversight of the programs’ $21.5 million budget.
Ellen studied business administration at David N. Myers College and earned a certificate in customer service management facilitation from Kent State University. She is also a certified notary public.
Chris NierstheimerBuilding Operations and Guest Services
Manager, Venue and Guest Services
216.685.2002 |
As the new Venue Manager at the Cleveland Foundation, Chris Nierstheimer brings a wealth of project management and hospitality management experience into the role. With a strong background in overseeing operations, projects, and events, Chris is dedicated to ensuring that each event or meeting is a resounding success. Before joining the Cleveland Foundation, Chris gained project management experience in multifamily housing and worked with renowned hotel brands such as Marriott, Hilton, and Ritz-Carlton, both domestically and internationally. Chris recently earned his Project Management Professional certification in April, and holds a bachelor’s degree in hospitality management from Ohio University.
Cierra SantayBuilding Operations and Guest Services
Building Operations Associate
216.770.7389 |
Cierra Santay joined the Cleveland Foundation in July 2023 as a Guest Services Coordinator. Cierra earned an Associate of Arts from Lakeland Community College and both a Bachelor of Arts in Urban Studies and a Bachelor of Arts in Art History from Cleveland State University. She has several years of experience in non-profit institutions that emphasize safety & security, events support and general hospitality. Her work is rooted in her time at the Cleveland Museum of Art and the Museum of Contemporary Art Cleveland (moCa), where she engaged with visitors and provided gallery tours, assisted with programs, and ensured the safety of the art. In her current role, she provides essential hospitality services to ensure a welcoming and inclusive environment for staff and visitors.