"Each of the videos demonstrates an innovative approach, an outstanding level of collaboration within the Department of Defense and with other Federal and state agencies, and has resulted in a product that is both educational and entertaining."
Sannie Osborne, U.S. Army Corps of Engineers

"David Donnenfield Productions was forced to work with a small budget on Secrets in Stone with sometimes reluctant geologists and with in-house graphics personnel. Their talent raised the effectiveness of all these folks to a very high level."
David Howell, U.S. Geological Survey

"This was without a doubt the smoothest working relationship I have experienced in my career. I very quickly grew to have confidence in you and your production team. You all demonstrated skill, professionalism, and courtesy at every step of the way. My ideas and comments were truly listened to and almost always acted upon."
Valerie Holcomb, CALFED Bay-Delta Program

"This was a complex project for me. I have never been involved in a multimedia project before and I'm grateful for your leadership in facilitating the process. The time was short and you made sure that we had an excellent product with almost zero re-work."
Carole Moore, Hewlett-Packard Company