Our Management

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Elise Greenbaum

Vice President of Leasing

With over 20 years of legal and leasing experience, Elise is responsible for all leasing activity within the portfolio. That includes anchor tenant leasing as well as redevelopments and new developments. She holds a BA from the University of Miami and earned her Juris Doctorate from Chicago-Kent School of Law. Elise has been with Sleiman Enterprises since 2008. Before joining the company she was Associate General Counsel and VP of Real Estate Transactions at Equity One, Inc.


Ashleigh Sleiman

Director of Leasing

Ashleigh is a Jacksonville native who graduated from Flagler College, located in St. Augustine, Florida with a degree in Business Administration and a minor in Economics. Upon graduation, Ashleigh joined the leasing department of Sleiman Enterprises where she quickly became a top performer, brokering the six largest retail leases in Northeast Florida in 2008. Ashleigh currently serves as the Director of Leasing at Sleiman Enterprises and has received numerous awards related to her hard work and professionalism, including the Jacksonville Business Journal "40 under 40" award which recognizes Northeast Florida's brightest and most promising young professionals. Also active in her local community, Ashleigh regularly donates her time and effort to local charities and governmental affairs.

Paul Thomas, CSM

Director of Property Management

Paul oversees day-to-day property operations at Sleiman Enterprises and has been with the company since 2007. He earned his BS in Business Administration from the University of Florida 2004. Before joining the Sleiman organization he was a Property Manager with Noble Properties in West Palm Beach, FL.

Michael Herzberg

Director of Development

Michael directs entitlements for all properties, works with Sleiman Enterprises' construction arm, TCI, to ensure on-time performance, and also serves as Government Liaison for the company. He holds a BS in Geography and a Certificate in Urban and Regional Planning from Florida State University as well as a Certificate from the American Institute of Certified Planners of the American Planning Association. A former appointed official under Jacksonville Mayors Delaney and Peyton, Michael joined Sleiman Enterprises in 2005.

Jonathan Heldenbrand

Chief Investment Officer

Jonathan oversees the management of the company's portfolio and manages the company's financial relationships, both raising and deploying capital. He holds a CPA designation and earned a Bachelor of Accountancy from New Mexico State University and an MBA from the University of Florida. Before joining Sleiman Enterprises in 2007, Jonathan worked with First Coast Keva, CSX and Arthur Andersen. He is a  Big Brothers Big Sisters board member and serves on the Advisory Board of the Bergstrom Center for Real Estate Studies at the University of Florida.

Eli Sleiman III

Director of Field Operations

Eli Sleiman III has worked closely with his father in the family business, learning all facets of field construction supervision as Director of Field Operations.  Eli has experience in facade remodels, new tenant build outs, new construction shell site work.  Eli's expertise in the field lies in communication with subcontractors, tenants, city inspectors, building officals and office personnel at Sleiman Enterprises.

Donald Bateh

Vice President of Construction

Donald oversees operations of the construction division within Sleiman Enterprises.  Target Contractors Inc. (TCI) is a Division of Sleiman Enterprises which designs, builds and manages all aspects of construction within the Sleiman Portfolio.  Donald has brought his 26 years of experience in the construction industry to help formulate budgets to ensure return on investment.  During project development, he manages due diligence, building design, site design, hires and manages Architects, Structural and Civil Engineers. He works with the Development, Leasing, Property Management and Legal divisions of Sleiman Enterprises to ensure project coordination.  He also oversees TCI’s in house, CAD Design Department, Project Managers and Superintendents. Donald earned his Bachelor of Building Construction Degree from the University of Florida and joined our company in 1996. Prior to joining our company, he was a Senior Project Manager with Regency Centers, a publicly traded REIT.