Management Profile

The Principals


Charles Nirenberg (December 1923-November 2014)

Mr. Nirenberg was the co-founder of First Merchants Group and had been involved in real estate for almost 50 years. Prior to FMG, Charles was the Founder and Chairman of the Board of Dairy Mart Convenience Stores. He opened his first Dairy Mart store in 1958 and built it into the third largest publicly traded convenience store company in the country with over 1,200 stores and sales approaching $1 billion annually. He sold his interest in Dairy Marts in August 1995.

He was an active community member serving on the Boards of The Dana-Farber Cancer Institute, Massachusetts General Hospital, Johnson Memorial Hospital and Hillel International Board Of Governors. He was a past president of Beth El Temple Brotherhood and served on the Boards of the Jewish Nursing Home, Jewish Federation, and The Jewish Theological Seminary in New York. He was a decorated War Veteran, a Mason, a Shriner and holds an honorary Doctor of Public Service degree from the University Of Massachusetts at Amherst.


Larry Nirenberg

Larry Nirenberg is the General Partner of First Merchants Group and has over 35 years experience in real estate acquisition, development, leasing, financing and management. Prior to joining First Merchants Group, Larry was the head of Leasing and Development for Samuels and Associates, a Boston-based Retail Management and Development company with over 4,000,000 square feet of property in the Northeast and the Midwest. He spent 12 years in corporate real estate for Dairy Mart Convenience Stores, Dunkin’ Donuts and Toys R Us.

Larry and his wife are members of the Advisory Council for the Child Psychiatry Department at the Massachusetts General Hospital and the Visiting Committee for thoracic medicine at the Dana Farber Cancer Institute. He has served on the Development Board of Nuestra Communidad, a non-profit CDC serving the needs of low income families in the Roxbury and Dorchester sections of Boston and as a volunteer for the New England Organ Bank speaking in support of organ donation. Last, and certainly not least, he is a proud father and grandfather.


Gregg Sapere (June 1951-October 2009)

Gregg Sapere was a Partner of First Merchants Group responsible for the Development and Leasing activities of the company. He brought over 30 years of experience in real estate acquisition, development and sales to the partnership. Prior to joining First Merchants Group, Mr. Sapere was President of L&G Investment Group. His company was an exclusive agent for Blockbuster Video Stores in Connecticut and Massachusetts and developed several locations for CVS Pharmacy in Southern New England. Before the formation of L&G, Gregg was Director of Real Estate at Dairy Mart Convenience Stores for the northeast region, responsible for overseeing site acquisition and development, lease renewals and leasing/disposition of excess properties. Gregg began his real estate career with his own residential real estate company, Jamestown Real Estate, which he operated for ten years. Gregg was past President of the Wilbraham/Hampden Rotary Club, a Director of the Wilbraham Nature and Culture Center, and served on the finance committee of Grace Union Church of Wilbraham, Massachusetts.