Research Staff
Alisha Bruton, MS, ND, she/her
Alisha earned her doctorate in natural medicine and her masters in integrative medicine research from the National University of Natural Medicine in Portland, Oregon. She is currently in a master's program in Biostatistics at the OHSU/PSU School of Public Health. Her research interests include ADHD, temperament, and structural equation modelling. She is the manager of the SNACK Lab.
Hayleigh Ast, ND, she/her
Hayleigh Ast is a T32 post-doctoral fellow and a naturopathic doctor. Hayleigh received her BS in Neuroscience from Allegheny College in Meadville, PA and her naturopathic doctor degree from the National University of Natural Medicine in Portland, OR. She joined Dr. Johnstone’s lab during medical school as a volunteer and has continued working with the lab throughout her residency, which she completed at the University of California Irvine - Susan Samueli Integrative Health Institute. Her clinical research for her post-doc will focus on gut microbial health and integrative analyses such as organic acid testing in the ADHD youth populations. While completing the T32 program, Hayleigh will hold a clinical practice at Neurotherapeutic Pediatric Therapies Inc. in Oregon City.
Taryn Machingo, ND, MS (she/they)
Taryn is a T32 post-doctoral fellow with a focus on suicidality and inflammatory factors in the ADHD youth population. Taryn completed her doctorate in natural medicine and master’s in global health at the University of Natural Medicine in Portland, OR. Her research interests include psychoneuroimmunology, mitochondrial dysfunction, public health policy and health equity.
Ayanna Bell, BS she/her
Ayanna Bell earned her B.S. in Neuroscience with a minor in Artificial Intelligence at Agnes Scott College. There she was an undergraduate research assistant in numerous labs exploring novel methods to treat neurological diseases and psychiatric disorders. As a Clinical Psychology PhD student, her research interests include providing culturally competent care to those seeking psychiatric treatment, sociobehavioral impacts on human health, innovative initiatives for health, and exploring psychedelic-assisted psychotherapy. She currently serves as a member of the SNACK lab as a graduate research assistant.
Priya Srikanth, MPH, she/her
Priya Srikanth has a faculty appointment in the OHSU-PSU School of Public Health as an Instructor in the Biostatistics programs. In her faculty role, she also mentors students. Srikanth is also a senior biostatistician with the Biostatistics & Design Program (BDP). She has training and expertise in teaching, conducting statistical analyses, and assisting investigators on study design and data analysis. Priya Srikanth’s background in biostatistics has been strengthened with ongoing advanced biostatistical training. As an instructor of basic introductory biostatistics, she strives to convey features of data through graphical displays and numerical measures.
Lydia Norby-Adams, BA, they/them
Lydia is a current Naturopathic medical and research student at the National University of Natural Medicine in Portland, OR. Prior to this, they earned their B.A. in Latin American Studies at Tulane University in New Orleans, LA. With a background in agriculture, their research interests include nutrition and plant medicines, as well as public health, and integrative transgender healthcare. They are currently serving in the SNACK lab as a volunteer.
Alanna Welsh, MS, ND, she/her
Alanna received her Bachelor’s degree in Biology from Seattle University. She then continued her education at the National University of Natural Medicine where she earned her doctorate in naturopathic medicine and a masters in integrative medical research. Since graduating from NUNM she has spent her time working in cancer research and health policy. Her research interests include public health, botanical medicine, and oncology. She is currently serving as a volunteer in the SNACK lab.
Kate Macaulay, BA (she/her)
Kate is a current senior at Lewis & Clark College, studying for a BA in Psychology and Hispanic Studies. Her undergraduate psychology focus has been on child development, with a particular emphasis on the role of cultural context. In the future, she is interested in pursuing a degree in clinical psychology or psychopharmacology. Kate is a volunteer at OHSU for the SNACK Lab assisting with preparations for their next study.