Cecilia Diem

Cecilia Diem is a Director at AmPhil, where she advises current and future clients on how to build and lead their organizations, with particular emphases on strategic planning, governance, and major gift fundraising.

Prior to this role, she led AmPhil’s Donor Advisory, providing counsel to high-net-worth individuals, families, and institutional donors on strategy, donor intent, evaluation, governance, and capacity building. From 2021-2023, she led AmPhil’s East Coast consulting group, where she supported more than forty nonprofit clients raising over $150 million annually. Before coming to AmPhil in 2019, she held development positions at The Philanthropy Roundtable, Americans for Prosperity, and the National Museum of Women in the Arts.

Cecilia’s experience working with philanthropists as both a fundraiser and an advisor has given her a particular passion for effective, values-driven philanthropy that catalyzes growth and effectiveness. Over the past fifteen years, she has built, directed, and expanded fundraising and giving programs, advising clients across the philanthropic value chain on how to grow sustainably, operate more effectively, and faithfully advance their missions.

Cecilia is a graduate of Mary Baldwin Women’s College in Staunton, Virginia, where she studied Art Management and Painting. She now lives in Baltimore with one philosophical husband, three beautiful children, and one black cat.