Andrew Giffen


Andrew has more than 20 years of experience in the nonprofit industry helping organizations with their new donor acquisition and sustainer conversion investment strategies. His acquisition background began in direct mail list brokerage right here at CELCO back in 1999(!) in fact, and his fundraising expertise was honed by nine years at the strategic services and analytics firm Integral, where he objectively led ROI-based acquisition strategies and KPI development for a diverse array of organizations investing in direct mail, canvassing, DRTV, and digital channels. Some of his communication skills and most of his nerdy soccer references were honed by several years writing and editing as a founding employee at

Andrew is known industry-wide for his strong work ethic, for his ability to dig deep into the data to lead strategic conservations and for his collaborative nature working alongside clients and their strategic partners.

He is honored to have had the opportunity to complement the acquisition strategies for so many important missions, such as: ASPCA, Médecins Sans Frontières, ACLU, National Audubon Society, Kennedy Center, DSCC, DCCC, Brennan Center for Justice, International Rescue Committee, Amnesty International, Catholic Medical Mission Board, CARE, Save the Children, Covenant House, National Park Foundation, The Wilderness Society, Defenders of Wildlife, Human Rights Campaign, Partnership with Native Americans, No Kid Hungry, Orbis International, Marine Toys for Tots, United Service Organization, Lupus Foundation of America, National Foundation for Cancer Research, National Multiple Sclerosis Society, Boys Ranch Founded by Cal Farley, Americans United for Separation of Church and State, Potomac Conservancy, Greenpeace, Environmental Defense Fund and United States Holocaust Memorial Museum.

At CELCO Andrew is available to support all clients and staff with fundraising and list strategies, while also leading new company initiatives.

Andrew holds a BA from the University of Virginia and MPA from Virginia Commonwealth University.