Leslie Shook worked as the theatre manager for The Theatre School from 1982 - 2018 and served as founding head of the BFA Theatre Management program in the Theatre Studies department from 1990-2010. She was responsible for front-of-house operations, educational outreach, subscriber services, access services, rental contracts and developing audiences of more than 35,000 people at DePaul's Merle Reskin Theatre each season for Chicago Playworks and The Theatre School Showcase Series. She is a member of the League of Chicago Theatres, where she chairs the Access Task Force, and is a member of Arts Alliance Illinois, Illinois Alliance for Arts Education, Chicago Cultural Network, Arts Engagement Exchange (AEE) Advisory Committee, National Organization for Women, Theatre Communications Group and DePaul University's Faculty/Staff Scholarship Committee.

Leslie serves on the board of directors of Season of Concern, the Chicago theatre community's fund for providing direct care for people living with AIDS and HIV, where she chairs the Board Governance Committee. She was on the leadership council for Bodies of Work, now part of the University of Illinois at Chicago, and the 2006 Chicago Festival of Disability Arts and Culture. In 2007, she was nominated for the Deaf Illinois Award as Best Hearing Advocate. Since 2002, she has participated in National Disability Mentoring Day, an annual event sponsored by the City of Chicago Mayor's Office for People with Disabilities. She is a volunteer with the NAMES Project and serves on the host committee for "Chefs and the City," an annual benefit for Vital Bridges. In past years, she has served on the DePaul Advisory Board for Students with Disabilities, DART/DePaul University AIDS/HIV Resource Team and Chicago International Film Festival Black Perspectives committee.

In March 2002, Leslie sponsored the first theatre management intensive trip to New York City for Theatre School students, and continued this initiative in 2004 and in 2007. Leslie studies voice with Mark Elliott at The Theatre School, and was a member of the DePaul University Community Chorus for four years.