CREF Speakers

The CREF speakers for our 2017 meeting included experts in the field of cardiothoracic surgery, extracorporeal perfusion, and human-factors engineering.

The CREF Program Committee is currently working on the agenda for our 2018 meeting in San Diego, California, which will no doubt include talented CREF speakers and faculty.

The 38th Annual Cardiothoracic Surgery Symposium is a continuing medical education and perfusion meeting dedicated to science and techniques of cardiopulmonary bypass. For regular updates about the invited CREF speakers, faculty, and abstract presenters, follow us on Facebook, Twitter, or Instagram.

CREF 2017 Invited Speakers & Faculty

CREF Speakers De Somer


M. Filip De Somer PhD ECCP

Belgian Filip De Somer is a practicing perfusionist at the Heart Centre, University Hospital Ghent, Belgium, where he also is actively involved in research related to cardiac surgery, cardiopulmonary bypass, and extracorporeal perfusion. 

CREF Speakers Del Nido


Pedro J. del Nido MD

Chilean-born Dr. Pedro del Nido is a pediatric cardiac surgeon who serves as Chief of Cardiac Surgery at Boston Children's Hospital. He received his MD from University of Wisconsin School of Medicine and Public Health, and has been practicing medicine for more than 20 years.

CREF Speakers Dickinson


Timothy A. Dickinson MS CCP

Perfusionist Tim Dickinson is the Director of Perfusion Services at Mayo Clinic Rochester and the former Director of Clinical Performance Improvement at SpecialtyCare. His research interests include evidence-based medicine, clinical registries, and outcomes research.

CREF Speakers Grace


Kevin A. Grace BS CCP

Kevin Grace, senior staff perfusionist at Massachusetts General Hospital, knows what it's like to be on the receiving end of the scalpel. Listen to his inspiring heart-transplant story, which kicks off the CREF general session on Thursday afternoon.

CREF Speakers Gunaydin


Serdar Gunaydin MD PhD

Turkish cardiac surgeon Dr. Serdar Gunaydin serves as Professor of Cardiovascular Surgery, Department of Cardiovascular Surgery, at the University of Kirikkale in Ankara, Turkey. He is also a member of the Steering Committee for MiECTiS.

CREF Speakers Kramer


Robert S. Kramer MD FACS

Cardiac surgeon Dr. Bob Kramer is a CREF Program Committee member, helping select speakers for the scientific agenda. At Maine Medical Center, he actively participates in the Northern New England Cardiovascular Disease Study Group.

CREF Speakers Mongero


Linda B. Mongero BS CCP

Perfusionist Linda Mongero is the Director of Education and Clinical Performance for SpecialtyCare. Prior to that, she was the Director of Perfusion Services at New York Presbyterian Columbia University Medical Center, where she served for nearly 30 years.

CREF Speakers Newland


Richard F. Newland BSc CCP (Aust)

Australian Richard Newland is a lecturer at Flinders University and senior perfusionist on the staff of clinical perfusion at Flinders University Medical Center in South Australia. His research interests include evidence-based medicine, perfusion registries, and outcomes improvement.

CREF Speakers Shappell


Scott A. Shappell PhD

Dr. Scott Shappell serves as chair of the Department of Human Factors and Systems at Embry-Riddle Aeronautical UniversityDr. Shappell has published and presented more than 200 papers, books, and presentations in the fields of accident investigation, system safety, spatial disorientation, sustained operations, and fatigue.
CREF Speakers Stammers


Alfred H. Stammers MSA CCP PBMT

CREF Course Director Al Stammers is Director of Clinical Quality & Outcomes Research at SpecialtyCare. Prior to this position, he was a perfusionist at ESSA Heart and Vascular Institute and Director of Perfusion Services at Geisinger Health Systems. Mr. Stammers has authored more than 300 publications on perfusion-related topics and is a renowned speaker in this area.

CREF Speakers - Wahr


Joyce A. Wahr MD FAHA

Dr. Joyce Wahr, Associate Professor of Anesthesiology at the University of Michigan, has served as director of the ICU rotation for residents, director of cardiac anesthesiology, and director of the cardiac research program. She is the first author on the American Heart Association Scientific Statement “Patient Safety in the Cardiac Operating Room: Teamwork and Human Factors.”

CREF Speakers Wegner


Julie A. Wegner PhD

Dr. Julie Wegner, Editor in Chief of the Journal of ExtraCorporeal Technologyworked for 13 years as clinical perfusionist in a university heart program. At Midwestern University, she was a Professor of Cardiovascular Perfusion. Areas of interest include coagulation and inflammatory responses to CPB. Dr. Wegner has published many articles in peer-reviewed journals and presented at national and local perfusion meetings.
CREF Speakers Yuh


David D. Yuh MD

Cardiac surgeon Dr. David Yuh is the Chairman, Department of Surgery, at Stamford Hospital in Stamford, Connecticut. Prior to this, he served as Professor & Chief, Yale University Section of Cardiac Surgery. His research interests include computational cardiac modeling, minimally-invasive cardiac surgery, cardiac transplantation, mechanical circulatory support and cardiac imaging modalities.

CREF Speakers Zeng



Yu Kevin Zeng currently works as a nurse practitioner in the ICU at Stanford University Department of Adult Cardiac Surgery and UC San Francisco Medical Center. Prior to this, he was a nurse practitioner at Duke University Health System and practiced critical-care nursing at the University of Pennsylvania, where he received his Master of Science in Critical Care Nursing .