Michael I. Greenebaum
- Board of Trustee, McDonogh School, Owings Mills, MD
- Board of Visitors, University of Maryland School of Medicine
- Board of Advisors, Marlene and Stewart Greenebaum Cancer Center
- Board of Trustees, Vice President, Temple Oheb Shalom
- Co-Founder, Maryland Half Marathon benefiting the Marlene and Stewart Greenebaum Comprehensive Cancer Center
- Director, Greenebaum Family Foundation, Inc.
- Board of Advisors, Institute of Human Virology
- Board of Directors, Profectus BioSciences Inc.
- Board of Governors, The Associated
- Peabody Institute Advisory Board
Mark A. Bennett, Sr.
- Co-Chari, Greenebaum Comprehensive Cancer Center Golf Tournament
Life Director, Maryland Building Industry Association
Past President, Baltimore County HBAM
Past Vice President, HBAM
Past Vice President, HBAM Land Development Council
HBAM Developer of the Year – 1995
HBAM Builder of the Year – 2013