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Sean Lyons

October 27, 2025 by

Sean is a Partner of Jackson Dearborn Partners, his primary areas of focus include fundraising, investor relations, and marketing. Sean has over 22 years of experience including the last 18 as a real estate broker and principal participating in well over $1 billion in real estate transactions.

Following a successful career in sales, Sean started his real estate career with Marcus & Millichap in 2003, eventually founding his own brokerage company, Triad Real Estate Partners, in 2010 with partners Shaun Buss and Ryan Tobias. Moving to the principal side, Sean went on to found JDP where he utilizes creative marketing and an extensive network to build a portfolio of real estate and relationships.

Sean is originally from Philadelphia and is a graduate of Boston College. He lives in Wilmette, IL with his wife Gretchen and their four children.

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