Shannon Wiltsey Stirman


Shannon Wiltsey Stirman graduated from St. John's College in Santa Fe, NM, and received her PhD in Clinical Psychology from the University of Pennsylvania. She completed an internship at the VA Palo Alto Healthcare System, and returned to Philadelphia for postdoctoral training, where she received an NIMH-funded K99/R00 award to study implementation and sustainability of CBT in a partnership between Penn and the City of Philadelphia’s Department of Behavioral Health and disAbility Services to implement cognitive therapy across the city’s network of providers. In 2009, Dr. Stirman joined the Women's Health Sciences Division of the VA National Center for PTSD and the Department of Psychiatry at Boston University. She was a Fellow of the NIMH and VA-funded Implementation Research Institute, and later served as an expert faculty member. In 2015, Dr. Stirman transitioned to the Dissemination and Training Division of the National Center for PTSD and joined the Stanford faculty in 2016. Her research has been funded by the National Institute of Mental Health and the Canadian Institute for Health Research.

Heidi La Bash

Heidi La Bash is a clinical scientist, working with the F.A.S.T lab. Dr. La Bash earned her B.S. in Journalism at the University of Kansas and her Ph.D. in Clinical Psychology at the University of Nevada, Reno. She completed her pre-doctoral internship at the Albuquerque VA and her postdoctoral fellowship at the VA VISN 17 Center of Excellence for Research on Returning War Veterans, as part of the VA OAA Advanced Fellowship Program in Mental Illness Research and Treatment. 

Matthew Beristianos

Matthew Beristianos, PhD, is a Postdoctoral Fellow for Dr. Shannon Wiltsey-Stirman at the National Center for PTSD in Menlo Park, California. He completed his predoctoral clinical internship at the Louis Stokes Cleveland VA Medical Center, and has specialized in PTSD research and treatment for several years. He has published research examining outcomes of PTSD and trauma, such as cardiovasular disease and suicidal behavior.

Kera Mallard

Kera Mallard is the study coordinator for the CPT-Study’s VA sites. She works in Menlo Park, CA, but lives in the beautiful town of Half Moon Bay, CA. She received her BA in psychology from San Francisco State University in 2015.

Kera has worked in many different psych-based research labs with areas of study ranging from geriatric depression to dyadic affective-psychophysiological research. However, the most significant and meaningful research that she has been a part of is at the National Center for PTSD at the Menlo Park VA, researching implementation of Cognitive Processing Therapy under Dr. Wiltsey-Stirman.

When she isn’t working Kera loves playing with her other half, Belle, a Miniature Australian Sheppard. Some of her hobbies include amateur photography, yoga, and singing (very bad and very loud) in the car. Kera enjoys meeting new people and discussing an array of topics so if you have any questions about the study or just want to chat send her an email at


Clara Johnson

Clara Johnson is the Project Coordinator for Dr. Shannon Wiltsey-Stirman's imAPP Study. She received her B.A. in Psychology and Spanish from Trinity University. She has experience in research on eating disorder pathology prevention among college and high school-aged males and females and the relationship between food Insecurity and eating disorders.

Although Clara moved away from sunny California for her undergraduate degree, she is back in her hometown of Menlo Park.  

Jansey Lagdamen

Jansey Lagdamen is a research assistant in Dr. Shannon Wiltsey-Stirman's FAST lab. She graduated from San Jose State University with a degree in Molecular Biology and Journalism. She began working with patients with various health issues, focusing on slowing down the progression of cognitive decline. There, she developed her interest in working with patients and helping imrpove their mental health. She has worked at the Stanford Emergency Room and the El Camino Hospital Emergency Room as a medical scribe. One of her main goals is to make a positive impact on the mental health community. Outside of work, she likes to watch scary movies, go on hikes with scenic views and go on trips with the family.


Zachary Cohen

Zachary Cohen is a clinical scientist, working with the F.A.S.T lab. Zach is a doctoral candidate in Clinical Psychology at the University of Pennsylvania. He has published research examining treatment selection for a variety of mental health disorders. 

Kiley Dunlap

Kiley Dunlap is an Extern in Dr. Shannon Wiltsey Stirman's lab. She is a doctoral student in Clinical Psychology at the PGSP-Stanford Psy.D. Consortium.