Foundation Source Philanthropic Services:

A Leading Provider of Technology-Led Charitable Giving Solutions ("PhilTech")

Recently Released!!!
Date Published: May 22, 2025
Summary PowerPoint Deck: 132 Slides
Reference PowerPoint Deck: 211 Slides


Foundation Source Philanthropic Services was founded as Charity Planner by Avi Greenbaum & Neil Greenbaum in 2001. The firm is based in Fairfield, CT. Foundation Source Philanthropic Services has four offices, 302 employees, and 4,000 foundation, endowment, & financial institutions clients. Foundation Source Philanthropic Services is led by its CEO Joe Mrak & Chief Operating Officer Estee Shor. Foundation Source Philanthropic Services is privately owned. Its websites can be found at www.foundationsource.com, www.charityvest.org, & www.pgcalc.com.

This research addresses the key historical phases of Foundation Source Philanthropic Services, including:

  • Charity Planner & Entrepreneurial Phase
  • Incline Equity Partners Phase
  • GTCR & Business Expansion Phase
Its profile includes the key statistics of the company, including its number of offices, employees, & financial institution clients.

Its profile includes detailed outlines of its core business, including:

  • Foundation Source
  • Charityvest
  • PG Calc
And its profile concludes with the highlights of its organizational structure & ownership.




























Disclosure:
Tiburon's Managing Partner is a member of Foundation Source Philanthropic Services' board of directors.


Tiburon Member Access:
Tiburon members can download the summary or reference PowerPoint presentation, view the most recent Tiburon Webinar featuring Tiburon's Managing Partner (or another Tiburon team member), and/or listen to the most recent Tiburon podcast featuring Tiburon member CEO guests by clicking on the buttons below:

Tiburon suggests that Tiburon members start by downloading the well-organized summary PowerPoint presentation and/or waching the Tiburon Webinar. Tiburon's reference PowerPoint slides are useful for further analysis, although some slides will be incomplete. Tiburon Podcasts will be recorded in 2025-2026. Tiburon members who need a username & password to access Tiburon Written Research, Tiburon Webinars, and/or Tiburon Podcasts, can click here.

Non-Tiburon Members:
Non-Tiburon members can either become Tiburon members or subscribe to this specific Tiburon Research by clicking on one of the buttons below:


Media Members:
Members of the media who would like access to this Tiburon Written Research, Tiburon Webinar, and/or Tiburon Podcast should send an email to Sarah Sage using the button below:

© 2025 Tiburon Strategic Advisors