She succeeds Maz Chadid who is retiring on July 13 following over 22 years of service to the company.

As Managing Director, Operations, Holzrichter will be responsible for managing the CME Globex(R) Control Center (GCC), which is the first point of contact for CME Globex customer support. She will also lead CME's trading floor operations, facilities administration, security and telecommunications functions. She will report to Phupinder S. Gill, President and Chief Operating Officer.

"Julie brings extensive technical knowledge and a deep commitment to customer service to her new role," said CME CEO Craig Donohue. "Her familiarity with all aspects of our operations and the strong relationships she has developed during her tenure will enable CME to continue providing superior trading technology and best-in-class customer service to our electronic and floor traders. Her expertise will be a great advantage to us as we work to integrate our trading operations post-merger and create a seamless transition for all of our constituents. We also would like to thank Maz for his important contributions and dedication during his tenure."

Holzrichter, 39, has been with the company for 18 years and most recently served as Managing Director, CME Globex Services & Technology Integration where she had primary oversight for the GCC, CME Globex connectivity services and certification environments and quality assurance, as well as trading floor technology.

She attended DePaul University and the University of Illinois at Chicago.