Leslie Mongin

Leslie Mongin is a Retirement Associate Partner at Aon, where they drive strategy and implementation of retirement programs for large clients. As a credentialed actuary, Leslie has built a reputation as a trusted advisor and retirement consultant, with expertise in defined benefit, defined contribution, and nonqualified executive benefit plans. Their previous roles include Senior Benefits Consultant with Strategic Benefits Advisors and Partner at Aon, where they managed operations across a six-market territory. Leslie’s career began as an Engineering Computer Systems Analyst at Commonwealth Edison and has included multiple promotions at Towers Watson. They are currently pursuing a Master's degree in Applied Mathematics from Northwestern University and hold a Bachelor's degree in Mechanical Engineering from Georgia Institute of Technology.