Stoltz, Marsha A. "Ho-Ho-Kus receives $10M from tech entrepreneur David Duffield for new school gym", The Record, December 20, 2022. Accessed March 29, 2023. "The Board of Education has received a $10 million gift — the largest in its history — from tech entrepreneur and former student David Duffield for construction of a new gymnasium and wellness center, President Mary Ellen Nye announced Monday.... 'I loved my childhood in Ho-Ho-Kus,' Duffield said in a written statement."
Stoltz, Marsha A. "Ridgewood alumnus donates $635,000 for high school STEAM programs", The Record, May 12, 2021. Accessed March 29, 2023. "A $635,000 alumni gift — the largest in the district's history — was announced by the Board of Education on Monday. The donation by 1958 graduate Dave Duffield via the Dave & Cheryl Duffield Foundation was designated for high school STEAM programs."