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Principal Investigator

Patrick_Purdon
Patrick L Purdon, PhD

Professor of Anesthesiology, Perioperative and Pain Medicine (University Tenure Line), 
Professor of Bioengineering (by Courtesy)

Patrick L. Purdon, Ph.D., is a Professor of Anesthesiology, Perioperative and Pain Medicine (University Tenure Line) and a Professor of Bioengineering (by Courtesy). Dr. Purdon received his A.B. in Engineering Sciences from Harvard College in 1996, his M.S. in Electrical Engineering from MIT in 1998, and his Ph.D. in Biomedical Engineering from MIT in 2005. Dr. Purdon’s research in neuroengineering encompasses the mechanisms of anesthesia, Alzheimer’s disease and brain health, anesthesia and the developing brain, neural signal processing, and the development of novel technologies for brain monitoring. He has published over 110 peer-reviewed publications, is an inventor on 18 pending patents, and is a Fellow of the American Institute for Medical and Biological Engineering. Dr. Purdon has won numerous awards, including the prestigious National Institutes of Health Director’s New Innovator Award.

Current Members

NathanVillanueva
Nathan Villanueva
Administrative Associate III

Nathan is one of the trusted administrative associates in Anesthesiology’s Research Operations team. His focus is providing the lab with resources, policy guidance, and overall support across all the lab’s specialties. Outside of work, Nathan loves dancing, practicing voice impressions, and learning about modern psychology in today’s youth and pop culture in a post-COVID world.

GUSTAVO_BALANZA_VILLEGAS
Gustavo A. Balanza, MD
Instructor, Department of Anesthesiology

Gustavo’s goal is to help develop tools and methods that improve anesthetic management during surgery and critical care. Additionally, he is interested in characterizing opioid mechanisms to better understand and address the ongoing opioid crisis.

StevenBrandt
Steven Brandt, PhD
Postdoctoral Fellow

Steven is interested in self-organizing neural dynamics, such as oscillations, and uses biophysical models to better understand brain diseases.

Pegah Kahali
Pegah Kahali, M.D.
Instructor, Movement Disorders Division

Pegah Kahali, MD is a board-certified neurologist and Instructor in the Department of Neurology at Stanford, with subspecialty training in Movement Disorders. Originally from Tehran, she obtained her medical degree from Tehran University of Medical Sciences, followed by a research fellowship in electrophysiology and neuroimaging in Boston. Dr. Kahali’s academic background is rooted in systems neuroscience and electrophysiology, and her research focuses on the neural mechanisms underlying motor and cognitive control, with an emphasis on neuromodulation in Parkinson’s disease. She completed her neurology residency at the University of Southern California/LA General Medical Center and subsequently pursued fellowship training in Movement Disorders at Stanford.

MINGJIAN_(ALEX)_HE
Mingjian (Alex) He, PhD
Postdoctoral Fellow

Alex is interested in understanding, diagnosing, and preventing Alzheimer’s disease with advanced signal processing and statistical modeling tools.

Photo of Jenny Tou
Si Long (Jenny) Tou, PhD
Postdoctoral Fellow

Jenny is passionate about developing physiologically sound statistical models to explore consciousness and the brain-behavior-environment connection. She loves traveling, adventure, music, learning and discovering new things, and cherishing every moment with her loved ones.

Scott Oshior, PhD
Scott Oshiro, PhD
Postdoctoral Fellow

Scott is a musician, composer, and music technology researcher. He is interested in studying the brain dynamics of Jazz musicians during improvisation, leveraging advanced signal processing techniques and statistical modeling.

FANGYUN_TIAN
Fangyun Tian, PhD
Postdoctoral Fellow

Fangyun is interested in investigating the neurophysiological mechanisms of general anesthesia and consciousness using biomedical signal processing and statistical modeling approaches.

Hanan Baker
Hanan Baker, MD
Neuroanesthesia Fellow

Hanan is interested in understanding the neurobiological overlap between natural sleep and anesthesia in order to develop synthetic sleep paradigms with physiological benefits. She was born and raised in Fresno, CA and enjoys adventure sports like surfing and snowboarding.

MoiArriaga_2024
Moi Arriaga, MD, PhD
Anesthesia FARM Resident

Moi Arriaga grew up in Pittsburgh, PA, and received his ScB from Brown University, he then received his MD and PhD from Washington University in St. Louis. He is currently a resident in the department of Anesthesiology. His fun fact is that his dog is probably smarter than him.

Harjinder Singh
Harjinder Singh, MA
Data Analyst I

Harjinder is interested in leveraging clinical data and pharmacokinetic modeling to better understand how anesthetics interact with the brain and body. He is passionate about using data-driven approaches, like signal processing, statistical modeling, and machine learning to improve anesthetic techniques and patient outcomes. Outside the lab, Harjinder enjoys basketball, exploring new food spots, and watching anime.

Katherine Liu
Katherine Liu
MD-PhD Candidate

Katherine is interested in applying signal processing and simulation methods to better understand neural dynamics under different physiological and cognitive states. She is currently working on tissue-specific head modeling for informed pathway analysis. Outside of work, she teaches pilates and enjoys reading with boba in hand.

FredrikWernstal
Fredrik Wernstal, MD
Visiting PhD Student

Fredrik is interested in using signal processing and computational methods to understand neural dynamics underlying cognition, working memory, and different states of consciousness. His work focuses on studying brain activity across physiological and cognitive conditions, with applications in anesthesia, cognitive neuroscience, and brain health.

ShannonHarvey
Shannon Harvey
Undergraduate Intern

Shannon is interested in understanding how anesthesia influences brain function and neural communication, particularly in relation to cognition, recovery, and neurological outcomes after surgery. She is excited by the potential of neuroimaging approaches, such as EEG, to uncover biomarkers that can improve patient well-being. In her free time, Shannon enjoys reading, playing the violin, and traveling with her family!

SusanSaba
Susan Saba, MA, MPH
Clinical Research Lab Manager

Susan has a passion for clinical research, health outcomes, and disease prevention. As a research manager, she is particularly interested in optimizing research operations, supporting successful grant and study execution, research compliance, data-driven decision-making, fostering collaborative team environments, leveraging technology to improve efficiency in workflows, and promoting continuous learning, quality and process improvement.

MeghanAbate
Meghan Abate, BS
Clinical Research Coordinator Associate

Meghan is interested in helping the Purdon Lab answer unresolved questions in anesthesiology pertaining to the use of intraoperative opioids, regional anesthetics, and post-operative delirium. In her free time, Meghan enjoys indoor cycling, walking, and going to the beach.

Julia
Julia Glueck, MS
Clinical Research Coordinator II

Julia is interested in studying the relationship between aging, neurodegenerative diseases, and sleep using tools such as EEG and actigraphy. She plans to pursue a degree in clinical psychology. In her free time, she enjoys running, spending time outdoors, and traveling to visit friends and family.

Angela Han
Angela Han, BS
Clinical Research Coordinator Associate

Angela is interested in exploring the neural and biological mechanisms underlying cognitive impairment, with a focus on using neuroimaging techniques to develop preventive strategies for age-related neurological disorders. As an aspiring physician-scientist, she is driven by a commitment to improve diagnostic and therapeutic approaches in neurology and geriatric medicine. Outside the lab, Angela enjoys painting and exploring the city to try new desserts.

Headshot of Dulce PimentelHurlburt
Dulce Karina Pimentel-Hurlburt, BS
Clinical Research Coordinator Associate

Dulce Karina is interested in exploring the neural and biological mechanisms underlying the relationship between bilingualism and neurodegenerative diseases. She is particularly focused on applying neuroscience and engineering-based approaches, especially neuroimaging techniques, to improve early diagnosis and develop preventative strategies tailored to bilingual populations. She plans to pursue a degree in neuroscience. Outside the lab, she enjoys spending time in nature, trying new foods, and exploring the Bay Area.

Zoe Jung
Zoe Jung, BS
Clinical Research Coordinator Associate

Zoe is interested in using neuroimaging to study brain health and support early detection of neurodegenerative diseases. Her broader interests include the neurobiology and pharmacological modulation of chronic abdominal pain disorders and the use of neuroimaging techniques to improve diagnosis and treatment outcomes. Outside the lab, she enjoys dirt biking, aerial silks, and baking.

Emily
Emily McElroy, MS
Clinical Research Coordinator Associate

Emily is interested in studying the neural mechanisms of neurodegenerative diseases, such as Alzheimer’s and Parkinson’s, using different neuroimaging techniques, and plans to pursue a career in neurodegenerative research. In her free time, she loves walking her dog, reading, and following Bay Area sports

Baani
Baani Minhas, BS
Clinical Research Coordinator Associate

Baani is interested in exploring how anesthesia affects brain activity and cognitive function, with the goal of improving clinical care and patient outcomes during and after surgery. She is particularly excited about using non-invasive techniques like EEG to study brain dynamics in the perioperative setting. In her free time, Baani finds joy in reading and baking.

JayaNataraj
Jaya Nataraj, MS
Clinical Research Coordinator Associate

Jaya is interested in using signal processing to better understand the neural mechanisms of anesthesia and opioids using HD-EEG and intracranial data. Outside of work, Jaya enjoys hot yoga, playing the violin, trying new foods, and training her dog to do tricks.

Yerin Yang
Yerin Yang, BS
Clinical Research Coordinator Associate

Yerin is interested in investigating the mechanisms of neurodegenerative diseases through neuroimaging, with a long-term goal of translating these insights into functional neurosurgical interventions. In her free time, she tries to enjoy watching Tottenham Hotspur FC and loves listening to The Weeknd.

Alumni

RORY_VU_MATHER
Rory Vu Mather, MS

2023-2026

Akriti_Pandit
Akriti Pandit

2023-2026

Mae_Zhang
Mae Zhang

2024-2026

Kasra Naftchi-Ardebili
Kasra Naftchi-Ardebili

2024-2026

Nitya Yerraguntla
Nitya Yerraguntla

2025-2026

KISHORE_BHARADWAJ
Kishore Bharadwaj, MS

2024-2025

BenDeverett
Ben Deverett, MD, PhD

2024-2025

JasmineJohnson
Jasmine Johnson

2024-2025

Sebastian Pintea
Sebastian Pintea

2024-2025

TOM_STONE
Tom Stone, MS

2021 – 2025

AndyLeung
Chee Fai (Andy) Leung, MBChB, MPA

2024 – 2025

Isabella Castro
Isabella Castro

2025

RAN_LIU
Ran Liu, PhD

2021 – 2025

Ashley_Chung
Ashley Chung

2021 – 2025

AmberHu
Amber Hu

2024 – 2025

Rodrigo_Gutiérrez
Rodrigo Gutiérrez, MD, PhD

2019 – 2024

HALEY_GIBBS
Haley Gibbs

2019 – 2024

PROLOY_DAS
Proloy Das, PhD

2020-2024

OkezueBell
Okezue Bell

2021-2023

WillKrohg
Will Krohg

2021-2023

MackenziHagood
Mackenzie Hagood

2022-2023

AnthonyEdgar
Anthony Edgar

2021-2023

JustinSydloski
Justin Sydloski

2021-2023

Ekene_Dilichukwu_Uwanaka
Ekenedilichukwu Uwanaka

2021-2023

AndrewChen
Andrew Chen

2018-2023

Camille
Camille DeMarcus

2023-2023

LauraMercado
Laura A, Santa Cruz Mercado, MD

2018-2022

EvanChung
Evan Chung

2019-2021

RayJiang
Ray Jiang

2021-2022

PegahKahali
Pegah Kahali, MD

2016-2019

Tenzin
Tenzin Desel

2018-2021

AmandaBeck
Amanda Beck, MS

2017-2022

ChristopherColvin
Chirstopher Colvin, MHSC

2015-2018

HugoSoulat
Hugo Soulat

2016-2018

DavidZhou
David W Zhou, MS

2016-2022

GladiaHotan
Gladia Hotan, PhD

2015-2020

TaylorDelp
Taylor Delp

2018-2019

SamHuang
Sam Huang

2019-2020

FengLiu
Feng Liu, PhD

2018-2020