About the Greenbergs

Johns Hopkins Greenberg Bladder Cancer


Stephanie Cooper Greenberg has had careers in banking, investment banking, small business ownership, fundraising and non-profit development in Boston, New Orleans, Washington and Baltimore. From 1991 to 2000, worked in Washington, DC as a political fundraiser and staff member to many Democratic US Senators. She works closely with her husband, Erwin L. Greenberg, in their commercial real estate enterprise, Greenberg-Gibbons Commercial, which develops and manages shopping centers and commercial properties in the Baltimore, Annapolis and Mid-Atlantic region. Professionally, she is a non-profit fundraising consultant, specializing in raising funds for medical discovery.

A strong believer in volunteering and community service, Ms. Cooper Greenberg serves as a member of the Board of Directors of the Kennedy Krieger Institute in Baltimore. At Johns Hopkins, she is chair of the International Advisory Board for the Center for Innovative Medicine at Bayview and is also a member of the advisory board of the Berman Institute of Bioethics and the Rheumatology Leadership Advisory Board. She is a member of the Presidents Council of St. John’s College in Annapolis, MD and was appointed to serve on the Local Management Board of Baltimore County, Maryland, which coordinates county services affecting children and families. ¬†Stephanie is also a board member of PAWS Assistance Dogs in Naples, FL which trains and raises service dogs for veterans.

With her husband Erwin, Ms. Cooper Greenberg is a director of the Erwin & Stephanie Greenberg Foundation, which focuses its funding initiatives toward human service, education, scholarships, children with disabilities, assisting veterans, and medical research. In May of 2014, the Greenbergs established the Johns Hopkins Greenberg Bladder Cancer Institute, a $45 million dollar co-investment with Johns Hopkins University.

Ms. Cooper Greenberg makes regular weekly visits to patients at the Johns Hopkins Hospital and the Kennedy Krieger Institute with her certified Therapy Dogs, and also trains, instructs and evaluates new teams for service. A licensed, instrument-rated pilot, Ms. Cooper Greenberg, along with her husband, is a member of Veterans Airlift Command, and regularly flies wounded soldiers to and from Walter Reed Army Medical Center to and from their destinations of choice free of charge. An Ironman triathlete and marathoner, Ms. Cooper Greenberg was born in New York City, of French and American parents, and was raised in Paris, France. She is married to Erwin L. Greenberg of Baltimore.


Erwin L. Greenberg is Founder and Chairman Emeritus of Greenberg Gibbons Commercial Corporation, based in Owings Mills, Maryland, developers of retail shopping centers in the Mid-Atlantic region and nationally. Mr. Greenberg started the company, which bears his name, more than 50 years ago. To date, the company has developed over 8 million square feet of shopping centers and retail projects, primarly in the Mid-Atlantic region. Projects include the new Foundry Row in Reisterstown, MD; Hunt Valley Towne Center in Cockeysville, MD; Annapolis Town Center, and the Villages at Waugh Chapel in Crofton, MD; and many other successful mixed-use and retail redevelopment projects. The company has won numerous architectural, design, real estate and redevelopment awards.
Mr. Greenberg also serves as Chairman of the GLP Development Company, a company which develops, manages and invests in office, commercial and government leased properties.  In addition to real estate, Mr. Greenberg founded the Sentinel Title Company, which he sold in 1993.
Mr. Greenberg has and continues to give of his time to several non-profit Boards and organizations. He currently serves as a member of the Board of Visitors and Governors of St. John’s College in Annapolis, MD and Santa Fe, NM and is a trustee of the Nantucket Cottage Hospital on Nantucket, MA. Since 2010, Mr. Greenberg serves as a Commissioner for the Maryland Aviation Commission, the authority which manages and operates all aviation related activities and airports in the State of Maryland.

Mr. Greenberg, with his wife, Stephanie Cooper Greenberg, directs the Erwin and Stephanie Greenberg Charitable Foundation which focuses on scholarship opportunities, educational initiatives, human service needs in Baltimore and medical research. Mr. Greenberg is a member of the Advisory Board of the Johns Hopkins Sidney Kimmel Comprehensive Cancer Center. In May of 2014, the Greenbergs announced a significant gift of $15 million towards the establishment of the Johns Hopkins Greenberg Bladder Cancer Institute, a $45 million dollar co-investment with the University.
Mr. Greenberg began flying more than 40 years ago, is instrument rated, and has logged over 7,000 hours of flying time. He began flying when BWI airport was Friendship Flying Service. The owner and operator of numerous airplanes, Mr. Greenberg, with his wife (also a pilot) currently flies a King Air B200 based at BWI. When possible, he and his wife volunteer their flying time with Veterans Airlift Command, flying wounded soldiers to or from Walter Reed Army Medical Center to their desired destinations. Mr. Greenberg and his wife fly almost weekly and divide their time between Baltimore MD, Naples FL and Nantucket, MA. He is the father of three children and 4 grandchildren.