About Our Chapter

Photo of butterfly garden with rock-lined path winding through shaded shrub area and sign about native plants

Butterfly garden with native plants, Acton Nature Center. Chapter members maintain this garden and other facilities and areas at the Nature Center. Photo by W. Moore.

We are a group of citizen volunteers committed to the beneficial management of our natural resources and natural areas through volunteer service and educational outreach. Our chapter was established in Spring 2005, and we currently have about 80 members working throughout our three-county chapter area  to carry out the mission of the Texas Master Naturalist program. Our chapter serves Hood, Somervell, and Johnson Counties in the Cross Timbers and Prairies Ecoregion.

Our coordinated volunteer network is trained and certified to provide natural resource education to the public, provide educational activities to schools, assist our partners with natural resource management, coordinate and lead citizen science activities supporting natural resources, sponsor multi-faceted outdoor learning events to the public, and more.

We meet on the first Thursday of each month, rotating meeting locations among the three counties the chapter serves. Meetings begin at 6:00 p.m. with a potluck dinner and opportunity for socializing and sharing adventures and discoveries. At 6:30, we enjoy learning from invited speakers. (See calendar for upcoming speakers and topics). We hold a short business meeting after the speaker (usually around 7:30). We invite anyone interested in the Master Naturalist program to join us at any of our meetings. Enjoy dinner on us as a guest!

Officers and Committees

President Tessa Chenoa Ownbey lilfarm2@gmail.com
Vice President/ Programs Nadia Lambert skidiamond77@gmail.com
Treasurer Henry Bogusch hbogusch@txwifi.com
Secretary Nancy Haubert nhaubert@mycts.org
Past President Gary Hinds ghinds99@gmail.com
Education Chair Wendy Moore flymoore@charter.net
Outreach Chair Billy Teels Dmzlfly1@gmail.com
Service Projects Chair Maryann Mathews notana1999@yahoo.com
Marketing Chair Melody Holm mrholm12@gmail.com
New Member Training Coordinator Maryann Mathews notana1999@yahoo.com
Advanced Training Coordinator Wendy Moore flymoore@charter.net



Hood County Extension Office

Johnson County Extension Office

Somervell County Extension Office

Texas Parks and Wildlife


The Rio Brazos Chapter issues its newsletter twice yearly in the summer and winter. Articles range from member achievements to highlights of chapter events to educational articles about wildlife and birds, plants, geology, and more.


Latest newsletter

(pdf document)

Meeting Minutes

Chapter Meeting Minutes May 2, 2019   (pdf document)

Governing documents

The chapter’s bylaws and operating handbook govern the chapter’s structure and operations. These documents provide more insight into the Texas Master Naturalist program and how the chapter functions as part of that program. The following provide links to pdf files that will open in Adobe Acrobat Reader.

Rio Brazos Chapter Bylaws

Rio Brazos Chapter Operating Handbook

Chapter Management Guidelines (state document)

Chapter Management and Operations Protocols (state document)

Code of Ethics (state document)

Standards of Conduct (state document)

Guidelines for Chapter Donations to Organizations (state document)




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