Join or Donate

Membership Donations:

• Impact 100 Online Membership Form (all forms of payment-see below)
• Impact 100 Printable Membership Form (all forms of payment-see below)
• 2023 Quick Renewal:
  • Full Membership Renewal (great for current Full Members who want to renew for 2023 using a credit card)
  • Shared Membership Renewal (great for current Shared Members who want to renew for 2023 using a credit card)
• 2024 Quick Renewal:
  • Full Membership Renewal (great for current Full Members who want to renew for 2024 using a credit card)
  • Shared Membership Renewal (great for current Shared Members who want to renew for 2024 using a credit card)

Need to know more about Impact 100 before joining? Go to our Membership Information page. The information includes information on the various ways to pay the membership donation.

Non-Membership Donations:

• Give to our Leaders of the Future Scholarship Program providing Impact 100 memberships to women at the beginning of their philanthropy-related careers (learn more about our Leaders of the Future Scholarship Program here)
• Make a Friends Donation to help cover our operational costs (learn more about non-membership donations here)

Impact 100 Greater Indianapolis is an IRS recognized 501(C)(3) charitable organization. Your donation is tax deductible to the full extent permitted by law.

All donor information is kept secure, and we do not share or sell member information for any purpose. Membership donations must be made before December 31st of one calendar year to be part of the grant pool awarded the following calendar year.