Diane OberhelmanBack to
Founder & CEO
Cullinan Properties, Ltd.
After entering the real estate business in 1980, Diane Cullinan Oberhelman’s entrepreneurial spirit led her to found Cullinan Properties in 1988, and it has grown to more than 180 employees. She serves as the current chairman of Cullinan Properties, Ltd., and has evolved the business to a premier provider of real estate development & acquisitions focusing on commercial and mixed-use developments including retail, medical, office use and multi-family nationwide. Cullinan has built the company to be a full-service provider with expertise in development, management, leasing, finance, and accounting, marketing, and tenant coordination with offices in Peoria, IL, Chicago, IL, and St. Louis, MO. Under her leadership, Cullinan Properties has developed nearly $1 billion in projects.
Diane has also authored the book, Cancer: Here’s How You Can Help Me Cope & Survive, a practical handbook on the disease. Net proceeds from the sale are donated to a support group for children whose parents are diagnosed with cancer.