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
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Life Director, Maryland Building Industry Association
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Past President, Baltimore County HBAM
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Past Vice President, HBAM
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Past Vice President, HBAM Land Development Council
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HBAM Developer of the Year – 1995
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HBAM Builder of the Year – 2013