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    Board of Directors


    Alisha M. Praznik, PA-C

    Alisha completed a Bachelor of Science in Biology and Psychology from the University of Mary Hardin Baylor in 2002. She received a Master of Physician Assistant Studies from the University of Texas Medical Branch in 2005. Alisha has worked as a PA at the University of Texas, MD Anderson Cancer Center for over 13 years in the department of Reconstructive & Plastic Surgery. Throughout her career she has instructed & mentored PAs, medical students, and PA students on suturing and surgical techniques on the local, state & national levels. Alisha served as TGCPAA Secretary for four years and Vice President for two years.   Alisha is on various committees within MD Anderson Cancer Center and is a mentor PA in the department of plastic surgery.  In 2014, Alisha was honored at MD Anderson Cancer Center as a finalist for the Geneva & James Briscoe, Physician Assistant Award for Excellence at UT MD Anderson Cancer Center and most recently she was honored with the TAPA Outstanding PA of the Year Award. 

    Vice President

    Ashley Wray, PA-C

    Ashley received her bachelor's degree in Biology from Texas A&M University in 2005, where she focused her academic efforts in neuroscience. She then went on to receive her MPH from the UT School of Public Health in 2010. During this time, Ashley worked for the Michael E DeBakey VA Medical Center investigating veterans with depression and suicide ideation, and through this experience, she discovered the role of the PA in patient care. She then pursued her master's degree at UT Southwestern Medical Center in Dallas where she graduated in 2013. Currently, Ashley is a practicing PA in the Dept. of Colon & Rectal Surgery at Memorial Hermann Southeast. When she's not at work, Ashley enjoys rock climbing, yoga, and spending time with friends and family.


    Melissa Hall, PA-C

    Melissa completed her Bachelor of Science in Biomedical Science with a minor in Pyschology from Texas A&M University in 2010.  She went on to receive her Masters of Physician Assistant Studies from University of Texas Medical Branch in 2013. Melissa began her PA career at MD Anderson Cancer Center in the Department of Plastic & Reconstructive Surgery where she worked in the Houston Area Locations (Memorial City, Katy & Sugar Land) from 2014 – 2017. She worked for Texas Children’s Hospital in the Woodlands in Pediatric General Surgery in 2017 prior to returing to MD Anderson Cancer Center where she currently works in the Plastic/Reconstructive Department. Melissa is active with the UTMB PA program coordinating and assisting in their quarterly Surgical Boot camps and annual suturing labs. She has also participated in Baylor PA program and TAPA suture workshops. She has served on the TAPA Membership Committee for the past several years. Melissa has been a member of TGCPAA since 2014.


    Sarah H. Hernandez, PA-C

    Sarah received her bachelor's degree in Biology from Texas A & M- Corpus Christi in 2002. In 2005, she received her Master’s degree in Physician Assistant Studies from the University of Texas Medical Branch. She began her career in an Aesthetic and Reconstructive surgery in private practice in Houston, Texas from 2005-2009. The last 8 years she has been at MD Anderson Cancer Center in the department of Plastic and Reconstructive Surgery. Sarah has participated in instructing suture workshops to PA students at UTMB and Baylor PA programs. She has also instructed PAs at TAPA and AAPA suture workshops. Sarah has been a member of TGCPAA since 2010. She was TGCPAA Secretary from 2013-2017.


    Brooke Schweitzer, PA-C

    Dr. Schweitzer graduated with her doctor of medical science degree in 2018 in clinical medicine and healthcare administration.  She is a graduate of Des Moines University with a Master of Science Degree in Physician Assistant Studies. Her undergraduate degree was completed at Nebraska Wesleyan University in Biology, with minor degrees in Chemistry and Psychology. Upon graduation, she practiced emergency medicine and trauma at a critical access hospital in Kansas, where she also served as interim CEO & CFO with two of her colleagues. There, she covered the family medicine clinic, two nursing homes, and patients on the ward. She then moved to Houston and began working at MD Anderson Cancer Center in plastic and reconstructive surgery where she currently practices. She is a didactic preceptor at Baylor College of Medicine, clinical PA preceptor for PA and medical students on surgical rotations. She teaches basic and advanced surgical workshops at MD Anderson and Texas Academy of Physician Assistants (TAPA), where she also serves as a conference lecturer.  She is an elected house of delegates representative for Texas and serves on the legislative affairs and political action committees.  Dr. Schweitzer is an active member of TGCPAA where she currently serves as the professional development chair. She is also a member of the American Academy of Physician Assistants (AAPA) and Pi Alpha National Honor Society for Physician Assistants.


    Gordon Tilney, PA-C

    Under Construction.