Dr. Shannon J. Horrillo
University of California, Agriculture & Natural Resources
2801 Second Street
Davis, CA 95618-7774
Dr. Shannon Horrillo joined ANR on May 1, 2011 as the Associate Director of 4-H Program and Policy. On May 1, 2017, Horrillo was appointed Director of the Statewide 4-H Youth Development Program. In her role, Horrillo provides leadership to the implementation of the 4-H Youth Development Program. This includes leadership and oversight to the 4-H Advisory Committees, the 4-H mission mandates (4-H Science, Engineering & Technology, 4-H Healthy Living, and 4-H Citizenship) and the 4-H Thrive and 4-H Military Partnership Programs. Shannon’s expertise is in program administration, youth development and evaluation. She has created and implemented strategic ways to support the growth and development of the 4-H Youth Development Program, volunteers and staff. Horrillo has experience developing high-quality positive youth development programs that are research-based and meet the needs of youth, families and communities in California. She has extensive experience in the development and implementation of large-scale evaluations and in communicating outcomes to stakeholders. Horrillo is also responsible for the development, interpretation, and implementation of UC policies related to the 4-H YDP and oversees the development of new 4-H policies. Before accepting her current position as Associate Director of 4-H Program and Policy, Horrillo served as 4-H Youth Development Advisor for Placer and Nevada counties from 2008 to 2011. Horrillo earned a Ph.D. in Human Development, an M.S. in Child Development and a B.S. in Human Development, all from UC Davis. Horrillo is dedicated to youth development work and enjoys serving the state of California by creating healthy families and communities.
SpecialtyProgram Administration, Positive Youth Development, College and Career Readiness, Adolescent Development, Evaluation
Areas of Expertise (click to see all ANR academics with this expertise)
Lewis, K., Horrillo, S. J., Widaman, K., Worker, S., & Trzesniewski, K. (2015). National 4-H common measures: Initial evaluation from California 4-H. Journal of Extension [On-line], 53(2) Article 2RIB3. Available at: http://www.joe.org/joe/2015april/rb3.php/www.joe.org/joe/2015april/rb3.php.
Dogan, S. J., Sitnick, S., & Ontai, L. (2012). The forgotten half of program evaluation: A focus on the translation of rating scales for use with Hispanic populations. Journal of Extension [On-line], 50(1) Article 1FEA5. Available at: http://www.joe.org/joe/2012february/a5.php.
Widaman, K. F., Dogan, S. J., Stockdale, G. D., & Conger, R. D. (2010). Complexity, usefulness, and optimality: A response to Foster (2010). Developmental Psychology, 46, 1767-1770
Dogan, S. J., Stockdale, G. D., Widaman, K. F., & Conger, R. D. (2010). Developmental relations and patterns of change between alcohol use and number of sexual partners from adolescence through adulthood. Developmental Psychology, 46, 1747-1759.
Martin, M. J., Conger, R. D., Schofield, T. J., Dogan, S. J., Widaman, K. F., Donnellan, M. B., & Neppl, T. K. (2010). Evaluation of the Interactionist Model of socioeconomic status and problem behavior. A developmental cascade across generations. Developmental Psychopathology, 22, 697-715.
Dogan, S. J., Conger, R. D., Kim, K. J., & Masyn, K. E. (2007). Cognitive and parenting pathways in the transmission of antisocial behavior from parents to adolescents. Child Development, 78, 335-349.
Conger, R. D. & Dogan, S. J. (2007). Social class and socialization in families. In J. E. Grusec & P. D. Hastings (Eds.), Handbook of Socialization. New York: Guilford Press.
Dogan, S., Smith, M., McIntyre, D., Barnett, C., & Schmitt-Mc-Quitty, L. (2013). New 4-H project prepares young people for higher education. UC Delivers. Available at: http://ucanr.edu/delivers/?impact=904&delivers=1&called_from_delivers=1
Heck, K., Dogan, S. J., Barnett, C., Borba, J., & Conklin-Ginop, E. (2009, Fall). 4-H Study of Positive Youth Development: Report of California’s 2008 Data. Davis, California: University of California, 4-H Center for Youth Development. Available at: http://4h.ucanr.edu/files/1211.pdf
ANR Workgroup Associations
- Environmental Education - Member
- Families with Young Children - Member
- Positive Youth Development through 4-H Camp Experiences - Member