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Heidi Siesfeld Email & Phone Number

Director of Development at Pro Bono Partnership
Location: New York City Metropolitan Area, United States 8 work roles 2 schools
2 work emails found @probonopartnership.org LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Work email h****@probonopartnership.org
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Current company
Pro Bono Partnership
Role
Director of Development
Location
New York City Metropolitan Area, United States
Company size
13 employees

Who is Heidi Siesfeld? Overview

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Quick answer

Heidi Siesfeld is listed as Director of Development at Pro Bono Partnership, a with 13 employees, based in New York City Metropolitan Area, United States. AeroLeads shows a work email signal at probonopartnership.org and a matched LinkedIn profile for Heidi Siesfeld.

Heidi Siesfeld previously worked as Assistant Director of Development, Institutional Support at Wave Hill and Graduate at Leadership Westchester. Heidi Siesfeld holds Ma, Public History from Hofstra University.

Company email context

Email format at Pro Bono Partnership

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{first_initial}{last}@probonopartnership.org
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Profile bio

About Heidi Siesfeld

Development professional experienced raising money and strengthening the operations of extraordinary non-profits in the New York metropolitan region.

Listed skills include Grant Writing, Fundraising, Grants, Nonprofits, and 43 others.

Current workplace

Heidi Siesfeld's current company

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Pro Bono Partnership
Pro Bono Partnership
Director of Development
white plains, new york, united states
Website
probonopartnership.org
Employees
13
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8 roles

Heidi Siesfeld work experience

A career timeline built from the work history available for this profile.

Director Of Development

Current
Pro Bono Partnership

White Plains, Ny

Direct Development activities. Plan and produce Gala fundraising event (virtual in 2020 and 2021) that has raised from $1.4 million to over $2 million. Develop direct mail appeals, online campaigns, and multi-year initiatives targeted to increase individual contributions. Direct all institutional giving through 50+ proposals and reports to foundation, corporate, and government funders. Led effort to develop earned income initiatives which are diversifying revenue streams and providing firmer financial footing for organization. Lead development team.

Jul 2014 - Present

Assistant Director Of Development, Institutional Support

Wave Hill

Bronx, Ny

Jan 2009 - Jul 2014

Graduate

Leadership Westchester
Sep 2013 - Jun 2014

Business Owner

Goheidi

Westchester County, New York, United States

Mar 2005 - Jan 2010

Owner

Hfs Consulting
Mar 2003 - Jan 2009

Director, Foundation Relations/Science; Assoc Dir. Foundations; Manager, Science; Research Associate

New York Botanical Garden

Bronx, Ny

May 1991 - Jan 1998

Parks Department Monuments Coordinator, Assistant Historian

City Of New York

Nyc

Jun 1988 - Feb 1991
Team & coworkers

Colleagues at Pro Bono Partnership

Other employees you can reach at probonopartnership.org. View company contacts for 13 employees →

EG Elizabeth G. Halstead Elizabeth G. Halstead Colleague at Pro Bono PartnershipNew York City Metropolitan Area, United States View → JS Judy Siegel Judy Siegel Colleague at Pro Bono PartnershipNew Rochelle, New York, United States View → AM Ardita Mirza Ardita Mirza Colleague at Pro Bono PartnershipNew York City Metropolitan Area, United States View → KC Kristen Centre Kristen Centre Colleague at Pro Bono PartnershipNew York City Metropolitan Area, United States View → ML Mindi Lund Mindi Lund Colleague at Pro Bono PartnershipNew York City Metropolitan Area, United States View → AS Alise Shuten Alise Shuten Colleague at Pro Bono PartnershipHarrison, New Jersey, United States View → SJ Stephanie Jeshiva Stephanie Jeshiva Colleague at Pro Bono PartnershipNew York, United States View → L( Lauren (Leicht) Fishman Lauren (Leicht) Fishman Colleague at Pro Bono PartnershipNew York City Metropolitan Area, United States View → JL Joan Levy Joan Levy Colleague at Pro Bono PartnershipTarrytown, New York, United States View → CM Christine Michelle Duffy Christine Michelle Duffy Colleague at Pro Bono PartnershipParsippany, New Jersey, United States View →
2 education records

Heidi Siesfeld education

Ma, Public History

Hofstra University

Activities and Societies: Pi Alpha Theta Honor Society. Interned at New-York Historical Society and Queens Historical Society.Conducted.

FAQ

Frequently asked questions about Heidi Siesfeld

Quick answers generated from the profile data available on this page.

What company does Heidi Siesfeld work for?

Heidi Siesfeld works for Pro Bono Partnership.

What is Heidi Siesfeld's role at Pro Bono Partnership?

Heidi Siesfeld is listed as Director of Development at Pro Bono Partnership.

What is Heidi Siesfeld's email address?

AeroLeads has found 2 work email signals at @probonopartnership.org for Heidi Siesfeld at Pro Bono Partnership.

Where is Heidi Siesfeld based?

Heidi Siesfeld is based in New York City Metropolitan Area, United States while working with Pro Bono Partnership.

What companies has Heidi Siesfeld worked for?

Heidi Siesfeld has worked for Pro Bono Partnership, Wave Hill, Leadership Westchester, Goheidi, and Hfs Consulting.

Who are Heidi Siesfeld's colleagues at Pro Bono Partnership?

Heidi Siesfeld's colleagues at Pro Bono Partnership include Elizabeth G. Halstead, Judy Siegel, Ardita Mirza, Kristen Centre, and Mindi Lund.

How can I contact Heidi Siesfeld?

You can use AeroLeads to view verified contact signals for Heidi Siesfeld at Pro Bono Partnership, including work email, phone, and LinkedIn data when available.

What schools did Heidi Siesfeld attend?

Heidi Siesfeld holds Ma, Public History from Hofstra University.

What skills is Heidi Siesfeld known for?

Heidi Siesfeld is listed with skills including Grant Writing, Fundraising, Grants, Nonprofits, Prospect Research, Philanthropy, Donor Solicitation, and Arts Administration.

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