“Thanks to your professionalism and focused efforts, Exceptional Children’s Foundation has a board-approved operational plan for the next three years.”


“Thank you for your thorough analysis and insightful definition of the challenges facing our group in this time of executive transition at FOX/Liberty Networks. Your facilitation skills were impressive… the comfort level you created in a very short time frame led field managers to be candid, and that openness was the foundation of the results that we achieved. I look forward to working with your company in the future.”


FOX/Liberty Networks


“Dr. Preston developed an instructional framework that became known as Open-Source Learning (OSL). OSL helped students understand the online environment and achieve extraordinary results. Dr. Preston is an asset as a consultant in the areas of technology, instruction, and learning community development.”


Santa Maria Joint Union High School District


“I want to express my sincere gratitude to you for facilitating Exceptional Children’s Foundation first Board retreat in over six years. I now have a clear understanding why you came so highly recommended to me by prestigious leaders in our community. Thanks to your professionalism and focused efforts, Exceptional Children’s Foundation has a board-approved operational plan for the next three years. As President and CEO of this fine organization, I am most thankful for your help and hope we have the opportunity to work together again in the near future.”


Exceptional Children’s Foundation


“David is a role model for educators and business leaders who want to improve performance within their organizations, and together improve cooperation and corporate citizenship as a society.”


United States House of Representatatives