Kelly Mangel

Kelly O’Connell Mangel is a highly accomplished real estate professional with @properties Christie’s International Real Estate and co-founder of Team Mangel, a top-producing North Shore real estate team. Recognized for her professionalism, discretion, and unwavering client-first approach, Kelly delivers a highly personalized, concierge-level experience tailored to each client’s unique goals. Known as a trusted advisor to buyers and sellers across Chicago’s North Shore luxury market, she is valued for her market insight, strategic guidance, and strong negotiation skills, expertly navigating complex transactions with confidence, precision, and care.

Before transitioning into real estate, Kelly built a successful corporate career at Aon Corporation, where she developed deep expertise in client relations, strategic planning, negotiation, and problem-solving. She brings this sophisticated business acumen into every transaction, offering thoughtful counsel, data-driven strategies, and a calm, solutions-oriented approach that consistently exceeds expectations. Clients appreciate her ability to serve not only as a broker but also as a long-term real estate advisor and trusted resource throughout every stage of life.

As part of Team Mangel, Kelly has helped build a business recognized among the top 1% of agents nationwide, earning accolades such as Rookie of the Year and consistent top-producer honors, along with recognition in Chicago Magazine and Christie’s International Real Estate Timeless Magazine. She is known for her adaptability, meticulous attention to detail, and ability to foster lasting relationships with a diverse clientele ranging from first-time buyers to seasoned investors and luxury homeowners. Her strong network, deep local expertise, and trusted reputation have made her a go-to resource throughout the North Shore real estate community.

A lifelong North Shore native, Kelly grew up in Wilmette and offers unparalleled firsthand knowledge of the communities she serves. She attended St. Francis Xavier School, graduated from New Trier High School, and earned her degree from Saint Mary’s College of Notre Dame. Her deep-rooted understanding of the North Shore lifestyle—from schools and architecture to neighborhoods, recreation, and community culture—gives her clients a distinct advantage when buying or selling in this highly competitive market.

Deeply connected to the communities she serves, Kelly is actively involved in local philanthropy and civic organizations. She has chaired and supported events for organizations such as the Shedd Aquarium, the Auxiliary Women’s Board of Rush Hospital, Kohl Children’s Museum, and the Neighbors of Kenilworth, and is also actively involved with the Kenilworth Clippers Garden Club, reflecting her passion for community engagement and the North Shore lifestyle.

Kelly lives on the North Shore with her husband and three children and enjoys paddle tennis, mahjong, walking, gardening, and travel, along with spending quality time with family and friends. Passionate about helping clients not only find a home but fully embrace the lifestyle and sense of community that come with it, Kelly is committed to delivering every real estate experience with integrity, white-glove service, exceptional negotiation expertise, and results-driven representation.