Travis County Extension Staff

1600-B Smith Road   *   Austin, Texas 78721   *   PHONE: 512.854.9600   *   FAX: 512.854.9611


Maggie picture Maggie Moreno Johnson
County Extension Director

Maggie began her career with Texas A&M AgriLife Extension Services in 2000.  As the County Extension Director, Maggie provides leadership and supervision to over 70 professional, paraprofessional and support staff that contribute to Extensions diverse and innovative educational efforts in Travis County.  Maggie has  a Masters Degree in Agriculture and a Bachelor of Science in Psychology/Sociology from Texas A&M Kingsville.
Irmas picture Irma Marquez
Office Supervisor

Irma has been with Travis County for 23 years.  As the Office Manager she oversees the general office operations for both Texas A&M and Travis County.  She assist with purchasing, payroll, budgets, Administrative paperwork and is the Travel Coordinator for Travis County for the department.  In her free time Irma enjoys taking cooking classes and playing with her two dogs Riley and Cooper.

4-H & Youth Development

Mikayla Herron
County Extension Agent – 4-H & Youth Development

Mikayla provides leadership to the Travis County 4-H & Youth Development program, including program planning, implementation, evaluation, and interpretation of county events while working with the community, clubs, and volunteers. Mikayla grew up just down the road in the Hays County 4-H program, where she participated in livestock, leadership, and speaking contests. She truly believes in the 4-H program and the diverse opportunities it provides to kids. Mikayla graduated from Texas A&M University in 2017 with her Bachelor of Science in Agricultural Science. Gig ‘Em! More information about the 4-H opportunities available in Travis County can be seen on the Travis County 4-H Blog and on the Travis County Facebook page.
Alicia Ford
County Extension Agent – Urban Youth Development

As the agent for 4-H Urban Youth Development, Alicia manages the 4-H CAPITAL Program. Alicia has a bachelors degree in English and Creative Writing from the University of Northern Iowa. She started at the Boys & Girls Clubs of San Antonio and transferred to the Boys & Girls Clubs of the Austin Area, where she worked for 7 years in afterschool programming. She was first introduced to afterschool programming during her time at University and has been dedicated to it ever since. Now, as the Program Director, she participates in grant writing, program development, staff management and strategic planning.
Nathan Tucker
County Extension Agent – 4-H
Cooperative Extension Program, Prairie View A & M University

Nathan is the CEP Agent for the 4-H Program in Travis County. He promotes the 4-H Program to diverse and low resource audiences. He began the position in December, 2011, and before that, worked for the Texas AgriLife Extension in the capacity of Extension Assistant with the Better Living for Texans program since January of 2007. After graduating from the University of Oklahoma with a major in Spanish and a minor in Business, Nathan attended San Francisco State University, where he obtained a Master’s Degree in English with a concentration in Linguistics.  Information about the Prairie View Cooperative Extension youth program can be found on the 4-H CEP Blog.

Family & Community Health

Sonia Coyle
County Extension Agent-Family and Community Health

Sonia Coyle started working as the County Extension Agent-Family and Community Health in July 2013. Sonia is responsible for conducting educational programs in nutrition, wellness, food safety, and financial management. Sonia has worked for over ten years in Travis County in the areas of nutrition and health education, early literacy, and parenting programs. Her experience includes working as a Program Manager for AVANCE, Inc. and Keep It Healthy, and as a Nutrition Educator for Capital Area Food Bank and the Texas Department of Health and Human Services-WIC program. She holds a Master’s degree of science in education from Baylor University and is a Registered Dietitian from the University of Buenos Aires in Argentina.
Dr. Crystal E. Wiltz
County Extension Agent – Family and Community Health
Cooperative Extension Program, Prairie View A&M University

Crystal has been employed since December 2001 with a focus on nutrition health and wellness, 4-H and youth and community development. A program focus is chronic illness and disease. She is a graduate of Texas A&M University and The University of Texas at Austin.
Oscar Zamora
Extension Agent – Expanded Food and Nutrition Education Program (EFNEP)

Oscar Zamora was born and raised in Deep South Texas in a town called San Benito. He graduated High School in May of 1999 and immediately left to serve four years in the United States Marine Corps. Upon returning home in 2003, he started his college career at what once was called The University of Texas Pan-American, UTPA (now known as The University of Texas Rio Grande Valley, UTRGV). He hit the ground running with a full schedule from day one and never stopped going to school (even summers) until he finished college in May 2008 with a Bachelor’s of Science in Dietetics, and then continued on, earning a Master’s Degree in 2018. Oscar joined the Travis County AgriLife Extension team in 2018 and is currently serving as the Expanded Food and Nutrition Education Program Agent. As a dietitian, he tries to watch what he eats and get plenty of exercise daily, in order to lead by example. He is motivated by seeing how people can change just by rearranging how they view foods and physical activity.Oscar provides leadership and management to the Travis County EFNEP unit. This program provides general nutrition education and promotes physical activity among families and youth with limited resources.  Information on the Travis County EFNEP Program can be found on the EFNEP website.  For nutrition information follow them on Facebook.

Horticulture, Agriculture & Natural Resources

Daphne Richards
County Extension Agent – Horticulture

Daphne Richards received her BA in botany from The University of Texas at Austin and her MS in horticulture from Texas A&M. Before joining the Travis County team in 2009, she served as the CEA-Hort in El Paso County for nine years. Her primary responsibilities include leading educational programming in the areas of home horticulture and urban agriculture, as well as for professionals in the green industry. She also serves as coordinator of the local Master Gardener program, training and managing over 200 very active Master Gardener volunteers. She may be seen each week on KLRU in the award-winning television program “Central Texas Gardener.” You can follow her Tweets and you can “like” her horticulture information on Facebook. You might also catch her around town at various gardening events with Augie, her sweet little Dachshund puppy. If you do, please say hi!
County Extension Agent – Agriculture and Natural Resources

Noel Troxclair, our former CEA-ANR has moved to Uvalde County. He may still be reached at
We are in the process of moving the Travis County Ag News Blog from blogspot to our internal pages, here on this website.
Wizzie Brown
County Extension Program Specialist – Integrated Pest Management

Wizzie has been with Texas A&M AgriLife Extension Service since 2002 and has been playing with insects since she was a toddler. She is an Extension Program Specialist with the Integrated Pest Management (IPM) program. Wizzie holds a B.S. in entomology from The Ohio State University and a M.S. in entomology from Texas A&M University. The integrated pest management program provides identification, biological and management information to whomever needs help. Wizzie’s research focuses on imported fire ants, including community wide fire ant management. Wizzie also is happy to provide programs to area groups on a variety of arthropod-related topics. You can find insect and other arthropod information on Wizzie’s blog.
Sheryl Williams
Horticulture Program Assistant

Sheryl joined us in March 2019 as the Horticulture Program Assistant but has been a Travis County Master Gardener since 2010. She has a B.S. in Agricultural Education from Oregon State University and spent many years doing marketing for the banking and high tech industries. Sheryl’s primary responsibilities are to assist with horticultural educational programs and coordination of the Travis County Master Gardener volunteer program.


Administrative Support Staff

Angela Reyes
Administrative Assistant

Angela supports agents for the following programs: Family & Community Health with Cooperative Extension Program, Prairie View A&M University, AgriLife Extension and Better Living for Texans. Angela has been with Travis County for 20 years. Before joining AgriLife, she worked in other departments of the Health & Human Services Division. She participates in training opportunities provided by the County and AgriLife and has obtained numerous certificates. She enjoys spending time with her husband and family.
Coming Soon
Administrative Assistant

This position provides administrative support to the agents who oversee the 4-H program (both Prairie View Cooperative Extension and AgriLife Extension).
Kelly Castro Office Assistant at Travis County AgriLife Extension Kelly Castro
Office Assistant

Kelly joined Travis County AgriLife Extension in August 2018 as an Office Assistant where she oversees the front desk. She is currently working toward her Bachelor’s in Business Management and enjoys spending time with her family and getting to know new people.
Coming Soon
Administrative Assistant

The Administrative Assistant for the Horticulture and Agriculture/Natural Resources agents for Travis County provides program support for training homeowners on maintaining their lawns/landscapes and growing vegetables, and training for farmers on how to identify and treat for the newest pests threatening their crops.


The members of Texas A&M AgriLife will provide equal opportunities in programs and activities, education, and employment to all persons regardless of race, color, sex, religion, national origin, age, disability, genetic information, veteran status, sexual orientation or gender identity. 

The Texas A&M University System, the U. S. Department of Agriculture and the County Commissioners’ Court of Texas cooperating.

Persons with disabilities who plan to attend a meeting and who may need auxiliary aids or services are required to contact Texas A&M AgriLife Extension Service-Travis County at 512-854-9600 ten working days prior to the meeting so appropriate arrangements can be made.

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