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Agricultural Education and Communication

Agricultural Education and Communication

Headshot portrait of John Diaz, assistant professor of Extension education

John Diaz

Assistant Professor
Extension Specialist

1200 N Park Road
Pant City, FL 33563

Dr. John Diaz is an Assistant Professor and Extension Specialist in the Department of Agricultural Education and Communication (AEC) at the University of Florida. He focuses on program evaluation, behavior change, social marketing and local resilience. Diaz has responsibilities in research, extension and teaching.

Diaz's research focuses on understanding the factors that influence behavior change and practice adoption among various stakeholder groups in extension activities related to local food systems, nutrition and wellness, natural resource management, conservation and community capacity building. As an interdisciplinary scholar, he earned two bachelor’s degrees, a master’s degree and doctorate from North Carolina State University.

Diaz’s extension program supports the mission of the University of Florida by developing strategies for creating and measuring impacts of Extension programs through program planning and evaluation. He focuses on enhancing the program development and evaluation competencies of extension and outreach professionals across a breadth of program areas.

Diaz teaches a course in Program Development and Evaluation in Extension Education. He also serves as an adviser for the undergraduate Extension internship program and plays an important role in coordinating the Extension minor between Gainesville and Plant City.

Recent Publications 

Warner, L. A., Diaz, J. M., & Gusto, C (s). (2019). Exploring blue space as a tool for promoting good fertilizer practices among Florida residential fertilizer users. Journal of Applied Environmental Education and Communication. Available at

Diaz J., Warner, L., & Webb, S. (in press). Outcome framework for school garden program development and evaluation: A Delphi approach. Journal of Agricultural Education.

Warner, L.A., Diaz, J.M., Kumar Chaudhary, A. (in press). Capturing Outcomes Often Overlooked: A Pilot Evaluation of Florida Individual Contact Teaching. Journal of Extension.

Warner, L. A., Diaz, J. M., & Kumar Chaudhary, A. (in press). Informing urban landscape water conservation extension programs using behavioral research. Journal of Agricultural Education.

Diaz, J., Webb, S., Warner, L., & Monaghan, P. (2018). Barriers to Community Garden Success: Demonstrating Framework for Expert Consensus to Inform Policy and Practice. Urban Forest and Urban Greening.

Diaz J., Warner L., Webb, S., Barry, D. (2018). Obstacles for School Garden Program Success: Expert Consensus to Inform Policy and Practice. Applied Environmental Education and Communication.

Diaz, J., Webb, S., Warner, L., & Monaghan, P. (2017). Impact Indicators for Community Garden Programs: Using Delphi Methods to Inform Program Development and Evaluation. HortTechnology, 27(6).

Governance and Service Committees

Association Audit Committee, Association of International Agricultural and Extension Educators (2018-2020)

Faculty Senate, University of Florida (August 2017-Present)

Coalition of Florida Extension Educators for Latino Communities (CAFE Latino): Chair 

Preservation of Historic Buildings and Sites Committee, University of Florida (August 2017- Present)

Membership Services Committee Member, American Association of Agricultural Education (May 2017- Present)

Extension Education Evaluation Topic Implementation Group (Chair), American Evaluation Association (2017-2020)