Meet the Team

John P. Hannigan

John P. Hannigan


John P. Hannigan is one of the two co-founders of Choyce Peterson, Inc. a company which began in the first half of 1997. John started his commercial real estate brokerage career in 1988 with the former Rostenberg-Doern Co. Prior to that, John was a sales consultant and product manager in New York City for Friden Alcatel, a national office products company.

As a broker, John has extensive experience in both tenant and landlord representation. He has represented tenants such as TAL International, Operations Inc., Capital Partners and Metropolitan Life Insurance Company. He has represented as exclusive agent, over 1,000,000 square feet of buildings including 10 Bank Street, White Plains, NY and The Centre at Purchase, Purchase, NY. Over the past twenty-nine years, he has successfully completed more than 400 transactions in the region.

Over the years, John has received several awards from Mack-Cali Realty Corp (formerly the Robert Martin Co.) including: Broker of the Year, Customer Acumen Award (given to the broker who best understands his clients’ needs), most transactions by an individual broker, the largest Build to Suit transaction in Fairfield County and largest flex transaction in the region.  John is a former Board Member of Table to Table, a Fairfield

Hannigan is a graduate of Fairfield University with a B.S. degree in Marketing.


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