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Executive Committee

The Williamson County Fair Association Executive Committee is comprised of dynamic members of the Williamson County community. With these unique and diverse perspective will establish the legacy of the WILCO Fair and Rodeo.

The Williamson County Fair Association is committed to providing the citizens of Williamson County and the surrounding areas with the highest quality County Fair experience that will honor the past agriculture roots with today's fast paced world.

Scott H. head shot with glasses in a light blue button up

Scott Heselmeyer, President

Scott Heselmeyer currently serves as Williamson County Treasurer.A native of Thrall, TX and sixth generation Williamson County resident. Since the 1870's, generations of Heselmeyer's family have ranched and farmed in Williamson County.

In addition to his duties as County Treasurer, Heselmeyer has practiced law in Williamson County for 16 years and has served on the board of a local community bank as well as numerous local nonprofits including the Williamson County Livestock Association.

Heselmeyer and his wife, Amanda, are blessed with their daughter, Kirsten, and son, Preston. The Heselmeyer family manages a small herd of Hereford and Maine-Anjou cattle. The Heselmeyer family spends their spare time showing cattle all around the great state of Texas.
Judge Gattis in a black suit posing next to a fence in a green pasture.

Judge Dan Gattis, First Vice President

Gattis served his three terms as the County Judge for Williamson County from 2006 through 2018. He is on the Board of Directors for the Tobacco Fund Investment Committee He also served on the Board for the Conference of Urban Counties and served on the Executive Committee for Capital Area Planning Council of Governments.

He is a past chairman of the International Association of Fairs and Expositions, past president of the Texas Association of Fairs and Events and past board member of Professional Rodeo Cowboys Association, National Finals Rodeo, and the Gulf Coast Agribusiness Council. He also spent over ten years on the Advisory Council to Dean of Agriculture for Texas Tech. Gattis served in 2011 on the external advisory committee for the selection of the Dean for Texas A&M University’s Department of Animal Sciences and has served on the board of directors and executive committee of the Texas FFA Foundation. Gattis has served as a member of the council of advisors for South Main Center Association and an advisory board member for The Greater Houston Convention and Visitors Bureau. He served on the Host Committee for the 1990 Economic Summit of Industrialized Nations.


Dan Gattis has been married for 54 years. He and his wife, Karen have two sons, Dan M. Gattis and Brent Gattis. The Gattis family owns a small ranching operation in Williamson County, Gattis Cattle Company L.L.C.

Jesse A. head shot in a blue suit with a red tie posing against a brick wall

Jesse Ancira, Secretary

Jesse Ancira has close ties to Taylor, TX as he is the former Mayor of Taylor, Texas, as well as the former President of the Taylor Independent School District Board of Trustees. Ancira also called Taylor, TX home!

Ancira is the owner of Ancira Strategies, a legislative advocacy firm that represents fortune 500 companies as well as some of the largest municipalities in the state before the Texas legislature. Ancira also represents private sector clients on tax, economic development and business development matters. Prior to Ancira Strategies, he served as Chief of Staff to House Speaker Joe Straus and is a former senior official with the Texas Comptroller of Public Accounts. He is also a former Special Agent with the Federal Bureau of Investigation.

Ancira currently serves on the Texas State Development Foundation Board, as Treasurer. Ancira is married to Mary Walton Ancira and, together, they have two children, Trey and Alexandria.
Nathan W. head shot in a black suit with a maroon tie against a dark background

Nathan Winstead, Treasurer

Nathan Winstead currently serves as Vice President, Branch Manager for Lone Star Ag Credit in Georgetown. Winstead provides loan solutions to farmers, ranchers, agribusiness owners, and rural home and land owners.

Prior to joining the Lone Star Ag Credit team, Nathan spent the last 10 plus years in commercial banking in Washington, DC and Austin, TX. He is an accomplished business development professional in the financial services industry.

Nathan serves as President Nominee of the Rotary Club of Georgetown, is a Director for the Rotary Club of Georgetown Foundation, and formerly served on the Board of the Williamson County Livestock Association.

Patti standing next to a horse that is saddled in a field with other horses

Patti Colbert, Vice President

Patti Colbert, is a living, breathing cowgirl who has finally retired in Georgetown, TX. When Colbert is not changing her grand kids, she is spending time with her horses.

She is currently competing in Stock Horse of Texas events on my American Quarter Horse, “Why So Serious.” In addition, Colbert is the Advisory Chairperson for the Ride on Center for Kids, and Board of Directors of the National Cowgirl Hall of Fame.

Colbert has an extensive career within the equine industry. Colbert owned and operated a recreational trail ride facility for 10 years with 20 to 30 geldings. She also has worked with Juvenile Probation Departments in two counties providing horse experiences. Colbert was the Executive Director of Texas Quarter Horse Association for seven years in addition to being the Senior Development Director for American Quarter Horse Association (AQHA) for seven years. While contracting with the Bureau of Land Management, Wild Horse Division, Colbert began Patti Colbert Enterprises and created the Extreme Mustang Makeovers, Trainer Incentive Program, and other adoption programs for wild horses. She also created the “Time to Ride” national marketing programs while contracting with the American Horse Council.

During Colbert's extensive equine career, her proudest achievement was receiving 2014 American Horse Publications, Innovator of the Year Award and the National Cowgirl Hall of Fame, Fern Sawyer Award.

Kelly wearing a brown sweater with a white blouse outside by a tree

Kelley Hammeren, Vice President

Kelley Hammeren currently serves as the Operations Manager for Williamson County Commissioner Russ Boles, Precinct 4. Hammeren currently serves on the Hutto YMCA Board of Directors as well as the Board for the Williamson County Fair & Rodeo Association.

Prior to joining the Commissioners team, Hammeren worked in Hutto, Texas as the Director of the Brushy Creek Amphitheater and held two positions at the Hutto Chamber of Commerce as the Operations Manager & Event Coordinator. She has worked the better part of her business career in the Events and Marketing field.

She was born in Chicago, Ill but, truly considers herself a native of Washington State as she lived their nearly 30 years. Kelley is the mother of two beautiful children and considers them her two greatest accomplishments in life.

Julie Sharifian in a black shirt with a pink sweater

Julie Sharifian, Vice President

Julie Sharifian a Constituent Representative for U.S. Congressman John Carter. In her current position she meets with constituents and assists with issues involving federal agencies. On the behalf of Congressman Carter, Sharifian is involved in the business, education and veteran’s communities.

Prior to working for Congressman Carter, she taught Kindergarten for seven years for Coppell and Leander ISD’s. Sharifian has lived in the Round Rock/Austin area since 1978. She and her husband of 26+ years have raised their children in the Round Rock area. Sharifian has participated in many charitable & women’s organizations, including multiple school PTA’s, Round Rock Woman’s Club & The Greater Round Rock Community Foundation Future Fund Giving Circle, Rotary Club of Round Rock and the Professional Women of Williamson County.

Sharifian’s current position allows her to meld both personal and professional capabilities to provide support to the constituents here in Congressional Texas District 31. She is very excited to be a part of the inaugural Williamson County Fair & Rodeo in 2020.

Tanya Clawsen, Vice President

Clint Chitsey head shot in a  dark blue suit

Clint Chitsey, Executive Director

Clint Chitsey is the General Manager of the Williamson County Expo Center in Taylor, Texas. The Expo is an expansion project that transformed a single covered arena into a multiuse event complex. The center opened for business in September 2016. Clint serves as an instructor for the footing academies for The League of Agriculture and Equestrian Centers.

Previously, Clint taught school as a high school agriculture teacher for 13 years. He advised students on livestock projects and trained leadership teams. Clint is a 2002 graduate of Texas A&M University. Clint grew up on his family cattle ranch in East Texas. Now he and his wife raise registered Hereford cattle and have a commercial cow calf operation.
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