Director of Development


Heidi J. Siesfeld, Director of Development, is responsible for supporting the Partnership’s fundraising activities, including the fundraising efforts of the Board of Directors.

Heidi is a development professional with more than 20 years experience in the New York metropolitan region, supporting capital campaigns, major gifts and institutional initiatives at Wave Hill, Greenwich Hospital and The New York Botanical Garden. As a consultant, Heidi worked with the Queens Botanical Garden, the Boys and Girls Club of New Rochelle, Summit Music Festival, The New Dawn Foundation and the National Parks Conservation Association, among others.

She serves on the board of the Association of Development Officers and is a 2014 graduate of Leadership Westchester.

Heidi is a graduate of Purchase College and holds a master’s degree from Hofstra University.

914-328-0674 ext. 326