Elizabeth Zeigler

Collegium Holdings, Inc. provides professional services. It offers access to the broadest base of resources and bench of experts within the nonprofit sector. The company was founded by Craig Leach and is headquartered in New York, NY.

Graham-Pelton Consulting, Inc. is a fundraising consulting firm that works with leading nonprofits worldwide. The private company is based in Summit, NJ and has subsidiaries in the United States and United Kingdom. The company's mission is to elevate philanthropy so that nonprofits can flourish. The company specializes in empowering healthcare, higher education, independent schools, and social change nonprofits to elevate their philanthropy with fundraising consulting. The company was founded by Craig J. Leach, and the CEOs are Elizabeth Zeigler and Susie Hills.