Copernicus Staff Directory

Copernicus Center building

Our highly qualified and knowledgeable staff have over 80 years’ combined experience in the Entertainment and Events industry. Live Concerts, theatrical performances, large scale festivals, corporate events, weddings, showcases and local markets, are just a few areas of our expertise. With the help of over 100 volunteers throughout the year, Copernicus team strives to maintain a quality of excellence no matter the size of the event. We are here to help you create an “EXPERIENCE” that your quest will not soon forget.





Kamila SumelkaExecutive Director[email protected]773-777-8898 #101
Mike Jeffers General Manager [email protected]773-777-8898 #103
Sabina L. LillyTheater Operations Assistant[email protected]773-777-8898 #104  
Magda StachowiczVenue Rentals – Weddings, Private Events[email protected]773-777-8898 #102  
Sydney BloeschSpecial Events Coordinator[email protected]  773-777-8898 #106
Michael Szczech Building Supervisor [email protected]773-777-8898 #109 
Walter TrzosChief Financial Officer[email protected]773-777-8898  #108
Destinee RiebBar Manager[email protected] 
Agnes KalembasaWebsite & Social Media[email protected]
Timothy PiotrkowskiBox Office[email protected]773-205-0044
773-777-8898 #110

Who to Contact

If you are unable to locate information on our website pertaining to a question you may have, please feel free to contact a member of our knowledgeable team. All inquiries will be answered in a timely manner or directed to the appropriate team member.

  • General operations, Taste of Polonia, and sponsorships, please contact our Executive Director, Kamila Sumelka
  • Theater tours, and theater rental inquiries, please contact our Theater Operations & Rental, Justine BonDurant
  • Corporate events, private parties, and room rentals, please contact our Theater Operations & Rental, Justine BonDurant
  • Building operations, maintenance, and facilities staff inquiries, please contact our Executive Director, Kamila Sumelka
  • Financial and accounting inquiries, please contact our Chief Financial Officer, Walter Trzos
  • Website, social media, and marketing inquiries, please contact our Web Master, Marleen Kasbee
  • Ticket & Box Office inquiries please call 773-205-0044 or email [email protected]
    • Box Office Hours M-F 10 am – 2 pm & Two hours before each public event.

See our nonprofit Board of Directors  –  CLICK HERE