You can support Impact100's collective giving in a number of ways. Please scroll down to see how to Join as a Member or Make a Donation to increase the Grants Pool, support Operating Expenses, or help fund our Founders Fellows program. Thank you!

Impact100 Philadelphia's tax identification number (EIN) is 80-0177821.

Donate to the 15th Anniversary Challenge

In celebration of Impact100 Philadelphia’s 15th Anniversary, a generous anonymous donor has issued a matching challenge. We have until June 30, 2024, to raise a minimum of $5,000 from current and former board members to secure this anonymous matching gift of $5,000 for our general operating fund. 

We invite all former Impact100 Philadelphia members who have answered the leadership call to join us in marking this milestone with a special gift.

To support the 15th Anniversary Challenge, use the donate button and select "15th Anniversary challenge" from the drop down menu.


Gifts can also be made via check, donor advised fund, or by stock donation with a note regarding the challenge and mailed to:

Impact100 Philadelphia
P.O. Box 275
Wynnewood, PA 19096

Join as a Member for 2025

We welcome all women 21 and over who want to join us in collective giving! While our membership has closed for 2024, we welcome your membership donations for 2025. (It's a great time to start our installment plan!)

Make your donation on or before November 15 to be a member who funds and votes for the grants awarded the following June.


Please select your preferred method of payment:



If you would like to make your payment another way, such as by a stock donation, or if you would like to sponsor or donate a membership to another individual, please contact us and we’re happy to walk you through the details.

Donate to the Grants Pool or Other Programs

We greatly appreciate — and rely on — additional donations from members and non-members who want to support Impact100's collective grants. Donations to Impact100 Philadelphia are fully tax-deductible. Options include:

  • THE GRANTS POOL - Donations before November 15 will increase the funding pool for grants awarded the following June.
  • THE FOUNDERS FELLOWSHIP - Donations help sponsor membership for outstanding younger women who bring diverse perspectives to our organization and our grantmaking.
  • SUPPORT OPERATIONS - Donations fund the essential daily operations that enable Impact100 to accomplish its mission.

To support any of the above, DONATE ONLINE HERE, and select a designation for your funds (Grants Pool, Founders Fellowship, and/or Operating Expenses).

You can also DONATE BY CHECK. Please include a note about how we should designate the funds, and mail your check to:

Impact100 Philadelphia
PO Box 275
Wynnewood, PA 19096

Contact us to donate with stock or by wire transfer, or with any other questions. Thank you!

Request a Matching Gift

Matching funds from employers are a huge help in offsetting Impact100 Philadelphia’s operating costs and supporting the grants pool. If your or your spouse’s company provides matching gifts, we are greatly appreciative of the support. Companies typically have a detailed process for matching gifts. For confirming your donation or other inquiries, please use [email protected]. Impact100 Philadelphia's tax identification number (EIN) is 80-0177821.

Be a Corporate Sponsor

Corporate sponsorship provides essential support for Impact100 Philadelphia’s grantmaking, education, and membership activities. Please contact us to discuss.

If you have other questions, please see our Frequently Asked Questions about donations.