Christopher J Elliman
President & CEO (outgoing 05/24) · Open Space Institute INC
President & CEO (outgoing 05/24) at Open Space Institute INC. Listed as an officer, director, or key employee across 3 organizations on the Form 990 record.
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Christopher J. Elliman served as President and CEO of the Open Space Institute for over 30 years, leading the organization from a regional Hudson Valley land trust into a nationally recognized conservation leader active across the eastern United States and Canada.
Under his tenure, OSI conserved more than 74,000 acres across five southeastern states and raised or leveraged $183 million for parks programs since 2010, creating over 120 miles of trails and greenways. Elliman retired in March 2024 after having stewarded the protection of more than 2.3 million at-risk and environmentally sensitive acres across the region.
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