WGA Office Staff

Principal - Lisa Alexander


Assistant Principal - Brian Trichell

Greetings and salutations WGA students and parents. I am looking forward to my third year as AP at the National Blue Ribbon award winning Walnut Glen Academy for Excellence.

My first two years here have been nothing short of amazing. Getting to know and serve the individuals that come together to make up the WGA school commun

My wife and I have two kids. Alexander is five and our daughter Chloe is one. My wife Aurora is also an Assistant Principal in GISD. We love to travel and spend time together as a family doing cool stuff to enhance the lives of our kiddos. I love what I do and I love doing it at Walnut Glen. Hope to see you soon!It has been a joy and a privilege.

Guidance Counselor- Deb Rivera

I welcome all parents to our Walnut Glen family!  I feel very fortunate to have the opportunity to work with each of your children to support their learning and achievement of life-long goals and success.  I have 10 years prior teaching experience, a Master's degree in School Counseling, Pre-Professional Counseling, and Educational Administration. I look forward to the new challenges and rewards of every school year!

Nurse Nelms

Mrs. Elizabeth Nelms. I grew up in Dallas, Tx. and has been a nurse for 15 years. I also worked at Baylor UMC in the NICU for 6 years and Emergency Dept for 6 years. This is my 3rd year in school nursing. I proudly served in the US Navy for four years. My husband and I have three daughters and one foster daughter who attends GISD schools. My oldest daughter is currently in the Air Force. I am so excited to be at Walnut Glen and look forward to working with each student to help them prepare for a successful academic school year.



Karen Brandenburg

Data Clerk 

Elva Guzman 




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