Previously, Leslie practiced probate, estate planning, and transactional law with The Shanks Law Firm, a private law firm in Houston, Texas. Leslie graduated from the University of Houston Law Center in 2013, where she worked for two semesters in the Immigration Clinic in addition to taking classes in immigration law, asylum law, and business immigration. Also while at the University of Houston Law Center, Leslie co-founded and served as Vice President of the Immigration and Human Rights Law Society, a group focused on raising awareness of the legal issues and challenges facing immigrants in the United States and refugees around the world as well as community service and donation drives.