Picture of Louis Diez

Louis Diez

Consultant & Host, Donor Participation Project

Louis Diez advises nonprofits in annual fund development, digital fundraising, and engagement strategies. 

He is the founder of the Donor Participation Project and the Annual Fund Toolkit. He teaches at the Lilly Family School of Philanthropy. 

Previously, he was Executive Director of Annual Giving at Muhlenberg College, Director of the Annual Fund and Development Business Operations at the Baltimore Symphony Orchestra, and Associate Director of Development at Johns Hopkins SAIS. In these roles, he led teams that created growth in number of donors and dollars raised through a model he calls the Sustainable Revenue Engine. 

Of varied interests, Louis holds an MBA from CUNEF, a PhD in Business Administration from Universidad Rey Juan Carlos (both in Spain), and an MM in Music Performance from the University of Tennessee. His thesis applied neural networks to predict economic performance indicators. He has also published articles on the investment value of musical instruments, edited peer-reviewed papers exploring applications for economic theories of legitimacy, and been featured in the music business section of the College Music Society’s journal.