Greystone’s multi-disciplined team is composed of experienced real estate asset managers, urban planners, financial analysts, counsels, construction professionals, parking experts, and insurance and accounting staff. Collaboratively, we provide unparalleled solutions.
Charles Di MaggioChief Executive Officer
Mr. Di Maggio leads Greystone Management Solution’s leasing and asset management teams throughout the United States. Actively involved in real estate, management, law and construction in both the public and private sectors for over 35 years, Mr. Di Maggio provides our clients his broad experience in real estate law, lease negotiation, drafting, retail concession development, valuation and public sector procurement.
Prior to joining Greystone, Mr. Di Maggio was an executive vice president for Grenadier Realty Corp. He has also served as the City of New York’s lead housing and real estate lobbyist in Albany, the Assistant Commissioner for Local Government Affairs and Contract Management for the Department of Housing Preservation and Development, and as the Assistant Representative to the Board of Estimate for the Mayor’s Office of the City of New York under the administration of Edward I. Koch.
Mr. Di Maggio is a member of the American Public Transportation Association (APTA), where he is the founding co-chair of the Innovative Funding, Finance and Public Private Partnership Committee’s Real Estate Subcommittee, and sits on the Business Member Board of Governors. Mr. Di Maggio is an adjunct professor at the Graduate School of Urban Planning at UMASS/Boston where he instructs courses on Urban Real Estate and Transit Oriented Development. He is a licensed Real Estate Broker in State of New York and Commonwealth of Pennsylvania, and a licensed attorney in the states of New York and Colorado.
Jaime HarrisChief Operating Officer & Counsel
Ms. Harris leads the division’s operating groups in addition to counsel staff. In this capacity, Ms. Harris oversees Greystone’s project teams ensuring delivery of services and implementation of best practices. Ms. Harris additionally leads Greystone’s counsel staff in the drafting of Requests for Proposals, leases, licenses, disposition agreements, and other transaction documents for our public and private sector clients. During her tenure with Greystone Management Solutions, Ms. Harris has been integral in the development of all protocols and policies governing our work and the expansion of our services to clients across the country.
Prior to joining Greystone, Ms. Harris was in private practice where she focused on commercial litigation and transactional matters. She is a licensed Real Estate Broker in New York State and a licensed attorney in the states of New York and New Jersey. Ms. Harris is a member of the American Public Transportation Association (APTA), where she is a member of the Real Estate Committee.
Tom CoxManaging Director
Mr. Cox has 20 years of experience in real estate services in both corporate and governmental environments. He currently is Greystone’s Project Executive overseeing the management of the Massachusetts Bay Transportation Authority’s real estate portfolio; advising and facilitating real property dispositions, and supporting the agency by generating innovative solutions to increase non-fare box revenue.Key accomplishments of Mr. Cox’s career include:
- Renegotiation of the master lease for major inter-modal transit station in Massachusetts on behalf of public landlord, leading to a revenue increase of $152M
- Responsibility for contract management of 9M square feet of real property across 12 states
- Implementation of consolidated property platform for major bank across Europe, Middle East, and Africa
- Managed municipal approvals process as Town Planner for the Hingham Shipyard mixed use development project
Mr. Cox is a noted expert in real estate dispositions, including sales, long-term lease negotiations, air rights, easements, and other complex transactions, as well as acquisitions.
Michael PlesnitzerManaging Director
Mr. Plesnitzer is Greystone’s Project Executive overseeing the dedicated staff managing New Jersey Transit’s leased real estate portfolio. Mr. Plesnitzer manages the agency’s Request for Proposals process and leads efforts to increase non-fare box revenue.Key accomplishments of Mr. Plesnitzer’s career include:
- Successfully re-positioned Newark Penn Station, which brought nationally-known retail tenancies to a major historic rail station
- Implementation of system-wide ATM program for New Jersey Transit
- Development and implementation of agency-specific database for the tracking of lease key dates, inspections, rent amounts, and other details
Mr. Plesnitzer is a Certified Property Manager (CPM), as well as licensed New Jersey Real Estate Salesperson. He is a member of the International Business and Management Association as well as the Institute of Real Estate Management (IREM).