Diane M. Ramirez currently serves as chief strategy officer of Berkshire Hathaway HomeServices New York Properties, where she is charged with growing the brand across New York City and neighboring markets in addition to enhancing partnerships with BHHS franchises around the world. Prior to joining the BHHS team in 2021, Ramirez was the executive chairman and senior advisor of Brown Harris Stevens. She began her brokerage career as an agent, and in 1984, she founded residential brokerage Halstead with Clark Halstead in Manhattan. Under her leadership, the firm grew to over 30 offices and 1,400 agents across New York City, The Hamptons, Hudson Valley, New Jersey and Fairfield County, Connecticut. In 2020, Halstead merged with Brown Harris Stevens. Ramirez served on the Board of Directors of Leading Real Estate Companies of the World for five years and was chairman from 2019-2021.