John Diamantopoulos is currently the President and Broker at The Diaman Group LLC, with over 15 years of experience in Manhattan real estate. They rank in the Top 3% of all Brokers nationally and have earned multiple designations from the National Association of Realtors, including CRS, CIPS, ABR, and E-Pro. John's previous roles include Senior Vice President at Prudential Douglas Elliman Real Estate and Executive Vice President at Halstead Property - Park Avenue. In 2024, they assumed the role of Senior Global Advisor at Berkshire Hathaway HomeServices, specializing in global luxury real estate and wealth management.
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