Jason Irwin

Director of Finance and Administration

Corrine Sanchez

Faculty Affairs Coordinator

Danielle deLeon

Web Manager

Deborah Freitas

Associate Director of Finance and Administration

Stephanie Harrington

Residency and Fellowship Coordinator

Mary Sheridan Bilbao, MPAS, PA-C

Principal Academic and Clinical Integration Developer

Scott McAllister

Senior Financial Analyst

Katy Butcher

Research Analyst II

Roxanna Van Norman

Senior Marketing Manager

Pauline Prater

HR and Facilities Manager

Kirstin Larson

Research Administrator II

Adult Cardiac Surgery

Yesenia Perez

Executive Associate to Dr. Joseph Woo

Justine Santiago

Admin Assoc to Drs. Michael Fischbein,  and JW MacArthur


Cardiovascular Surgery Coordinator


Cardiothoracic Surgery Liaison


Executive Assistant to Dr. Joseph Woo

Mel Rosete

Admin Assoc to Drs. Jack Boyd and Anson Lee

Veronica Cendejas

Cardiothoracic Surgery Liaison

Charlene Seegmiller

Cardiothoracic Surgery Liaison


Executive Assistant to Dr. Joseph Woo


Admin Assoc to Drs. Philip Oyer,  Claire Watkins, and William Hiesinger

Andrew Nguyen

Cardiothoracic Surgery Liaison

May Tan

Cardiothoracic Surgery Liaison

Diane Starrett

Admin Assoc to Dr. Yasuhiro Shudo, Outreach Faculty,  and Jason Irwin

Judy Womack

Administrative Associate and Receptionist

Roberto Vargas

Cardiovascular Surgery Clinic Manager

Maria Caimol

Cardiothoracic Surgery Liaison

Pediatric Cardiac Surgery

Marlene Charles

Staff Supervisor and Clinical Coordinator

Linda Tanabe

Clinical Coordinator

Debbie Parsons

New Patient Coordinator

Leslie Nguyen

Admin Supervisor and AA to Drs. Frank Hanley, Olaf Reinhartz, and John Lamberti

Marilou Sugimoto

Pediatric Surgery Coordinator

Stacey Kramer

Admin Assoc to Drs. Michael Ma, Richard Mainwaring, Teimour Nasirov, Elisabeth Martin, and Pediatric Outreach Faculty

Michal Palmon, BSc, MPH

Pediatric Cardiothoracic Clinical Outcomes Director

Thoracic Surgery

Donna Yoshida

Administrative Associate to
Drs. Joseph Shrager and Mark Berry

Cliff David

Administrative Associate to
Drs. Leah Backhus, Natalie Lui, and Doug Liou

Clinical Trials Coordinators

Tiffany Flores

Clinical Research Manager

Sally Sedadi

Clinical Research Coordinator

Kokil Bakshi

Clinical Research Coordinator

Luz Memije

Clinical Research Coordinator

Shannon Nesbit

Clinical Research Coordinator

Rachelle Villanueva

Clinical Research Coordinator Associate

Tiffany Koyano

Clinical Research Coordinator