Pain Division Faculty and Staff

Chief, Division of Pain Medicine and Director, Systems Neuroscience and Pain Laboratory (SNAPL)

Sean Mackey, M.D., Ph.D., Redlich Professor


Pain Medicine Faculty


Adjunct Clinical Faculty

  • William Brose, M.D.
  • Steven Feinberg, M.D.
  • John Massey, M.D.
  • Annu Navani, M.D.
  • Peter Abaci, M.D.
  • James Weiss, M.D.
  • Gabriel Schonwald, M.D.
  • Mark Gjolaj, MD

Clinic Staff

Clerical Coordinators

Tracey Smith

Maria Preciado

Medical Assistants

Veronica Trujillo

Diana Sevenson

Jerome Ward

Procedure/Surgery Schedulers

Mariko Nugent

Yesica Castillo

Case Managers

Karen Sugarman, LCSW

Advanced Practice Providers

Tracey Mallick-Searle, NP

Shannon Fish, PA

Clinic Manager

Christie Davis, MSHSA, RN

Assistant Clinic Manager

Esteban Valenzuela


Division Manager

Hamid Barakzai


Lab Manager

Sara Miller


Pain Fellowship Coordinator

Ashley Johnson


Division Adminstrators 

  • Ranjini Reddy
  • Ashley Gomez
  • Wendy Schadle
  • Alyssa Martinez
  • Christina Daniel

Research Associates

Christine Law, PhD



Research Coordinators 


Medical Student Research Assistant

Mark Gaertner


Undergraduate Research Assistants


Lab Alumni

  • Allyson Mackey
  • Alyssa Foote
  • Analyssa Lopez
  • Andrew Crowell
  • Angad Gogia
  • Anika Naidu
  • Axel Lucca
  • Bobby Moulton
  • Brian Inouye
  • Charlie Wang
  • Chibuzo Eke
  • Claire Miller
  • Daena Watcha
  • Daniel Schwarz
  • David Ludlow
  • Debra Clay, RN
  • Deepak Soneji
  • Doug Morrison
  • Emily Hubbard
  • Enmanuel Perez
  • Ericka Sohlberg
  • Ethan Groveman
  • Evan Goldart
  • Felicia Lee
  • Gabi Ruchelli
  • Greg Gorraiz
  • Haley Brogan
  • Heather Chapin
  • Heidi Messiha
  • Hien Khanh Hyunh
  • Hoameng Ung
  • Ingrid Jernudd
  • Jane Lawrence, PhD
  • Janelle Teng
  • Jennifer Kornelsen, PhD
  • Jina Sinskey
  • John Morkos
  • Jose Pons
  • Juan-Carlos Foust
  • Julia Hush, PhD
  • Julia Menzies
  • Justin Brown, PhD
  • Kaitlyn Basnett
  • Karyne Jale Yakupoglu
  • Kate Wiley
  • Kiernan Haggarty
  • Kiley Trott
  • Kim M. Mauer, MD
  • Kira Seiger
  • Laura Jastrzab
  • Laura Pulido
  • Lauren Foster
  • Lisa Chao
  • Mandeep Chahal
  • Mara Zulauf
  • Marcia Foti
  • Maria Salter
  • Mario Bernaba
  • Matt Gillespie
  • Max Chang
  • Maya Berdichesky, DMD
  • Megan McAndrews
  • Meghan Tieu
  • Meredith Barad, MD
  • Meyli Chapin
  • Michelle Bach
  • Morgan Oliver-Allen
  • Neil Chatterjee
  • Noorulain Noor
  • Paul Nash, PhD
  • Peter Barelka, MD
  • Pierre Boveroux, PhD
  • Rachel Moericke, MA
  • Rebecca McCue
  • Ryan Renee Perez
  • Safwan Siddiqui
  • Sam Lahidji, MD
  • Sara Parke
  • Stephen Matzat
  • Takefumi Ueno, MD
  • Tarah Venn
  • Tom Rico
  • Uta Maeda, PhD
  • Vicki Tang
  • Will Peterson
  • Yasamin Sharifzadeh
  • Yue Ma