Haley Tanenbaum Senior Associate Director
Washington, D.C.
(202) 719-8068


Haley brings to Orr Group expertise as a frontline fundraiser with extensive knowledge about donor cultivation and pipeline management, as well as experience with annual giving and multi-year capital campaigns. Haley is passionate about helping mission-driven organizations convey their core values effectively in order to achieve positive change.


Most recently, Haley worked in Major Gifts at the Whitney Museum of American Art, one of the country’s premier arts institutions. While at the Whitney, Haley supported the institution’s Advancement Department in the prospecting, cultivation and stewardship of the Museum’s highest-level donors and trustees. Haley also oversaw the completion of multi-year gifts toward the Museum’s five-year $760 million Capital Campaign.

Prior to her time at the Whitney, Haley was a member of the Proposals team at Christie’s auction house, where she produced bespoke proposals, presentations and market reports to win important consignments and engage potential buyers.

Selected Recent Partners

  • Guide Dogs for the Blind


  • B.A., Art History and Women’s Studies, Vassar College, 2012

I feel strongly about…

Old Bay being the best seasoning there is. I was born and raised in Maryland so this is a given!