Lisa Hornberger, MD

Professor, Pediatrics, Adjunct Professor Obstetrics & Gynecology

Director Fetal & Neonatal Cardiology

Section Head, Pediatric Echo, University of Alberta; Stollery Children’s Hospital

Dr. Hornberger has been involved in clinical, educational and research endeavors in fetal cardiovascular health and disease for more than two decades. She has published over 150 articles and co-authored textbooks in the clinical and fundamental sciences focused on the early diagnosis, evolution, management and outcomes of fetal heart disease including the diagnosis and treatment of rhythm-related abnormalities. Dr. Hornberger has established 4 world class Fetal Cardiovascular Programs at the Boston Children’s Hospital, Harvard Medical School (1992-1996), the University of Toronto (1996-2003), the University of California, San Francisco in collaboration with the internationally recognized UCSF Fetal Treatment Center (2003-2008), and now at the University of Alberta.

Jane Lougheed, MD,FRCPC

Chief, Division of Paediatric Cardiology

Assistant Professor of Paediatrics, Dept. of Paediatrics

Children's Hospital of Eastern Ontario, Ottawa

Dr. Lougheed received her medical degree from Queen’s University in 1993. She completed her paediatrics residency at the Children’s Hospital of Eastern Ontario (CHEO) in 1996 and a subspecialty in paediatric cardiology at CHEO in 1998. Dr. Lougheed also completed a subspecialty residency in paediatric cardiology at Toronto’s Hospital for Sick Children in 2000. As well as her current positions at CHEO, she is a consulting cardiologist for the Department of Maternal Fetal Medicine and Neonatology at The Ottawa Hospital. Dr. Lougheed is a member of the Specialty Committee in Cardiology for the Royal College of Physicians and Surgeons of Canada. She is also the Chair of the Examination Board in Pediatric Cardiology at the Royal College of Physicians and Surgeons of Canada. Dr. Lougheed’s areas of clinical interest include fetal cardiology, neuromuscular disorders and paediatric heart failure.

Shaine Morris MD, MPH

Fetal and Pediatric Cardiologist

Texas Children’s Hospital

Dr. Morris is a fetal and paediatric cardiologist at Texas Children’s Hospital/Baylor College of Medicine in Houston, Texas. She is the Cardiology Associate Program Director for Research at TCH, and uses her combined training in cardiovascular imaging and clinical research design and analysis to lead and collaborate in many types of fetal cardiology research. These investigations range from prospective studies of catheter-based and oxygen-based fetal interventions to state and national population level research. Her overarching focus is using the prenatal and perinatal period to optimize outcomes in children with congenital heart disease. She also currently serves on the Executive Board and Research Collaborative Committee of the Fetal Heart Society.

Norman Silverman, MD

Professor of Pediatrics (Cardiology)  University of California at San Francisco

Dr. Silverman is currently professor of Pediatrics (Cardiology) at the University of California at San Francisco and professor emeritus at Stanford University. He has worked in fetal physiology under Dr. Abraham Rudolph. He began his career in cardiac ultrasound in 1972. His interest in fetal cardiology is tied to these two interests.

Julia Solomon, MDCM, FACOG

Director, Fetal Diagnostic Center

Maternal-Fetal Medicine Program, Dept. Obstetrics & Gynaecology

St. Joseph’s Hospital and Medical Center, Phoenix, Arizona

Chandler Regional Medical Center, Chandler, Arizona, USA

Dr. Solomon earned both her Bachelor of Arts degree and medical degree from McGill University in Montreal, Canada. She completed an OBGYN residency at Cedars Sinai Medical Center in Los Angeles, California, and a Fellowship in Maternal Fetal Medicine at New England Medical Center in Boston, Massachusetts.  She holds numerous committee positions, and reviews for several prestigious scientific publications. She is a national and international authority on 3-4D ultrasound and fetal echocardiography, and lectures on these subjects worldwide. Her practice is limited to advanced prenatal diagnosis and fetal echocardiography and she is currently Director of the Fetal Diagnostic Center for Physicians Group of Arizona/Steward Healthcare. Dr. Solomon is a Senior Member and currently Chair for Obstetrics for the American Institute of Ultrasound in Medicine. She is a Fellow and Member of the American Congress of Obstetricians and Gynecologists, and a Member of the Society of Maternal Fetal Medicine, International Society of Ultrasound in Obstetrics and Gynecology, The Fetal Heart Society, and the American Society of Echocardiography.

Wayne Tworetzky, MD

Senior Associate in Cardiology

Director, Fetal Cardiac Imaging

Director, Fetal Cardiology Program

Assistant Professor of Pediatrics, Harvard Medical School  

Dr. Tworetzky is the Director of Fetal Cardiology and Senior Associate in Cardiology at Boston Children’s Hospital and an Associate Professor at Harvard Medical School. He was born in Cape Town, South Africa and attended Medical School at Stellenbosch University. He completed his internship in Internal Medicine and Surgery at Groote Schuur and Red Cross Children’s Hospitals followed by an additional year as a Senior House Officer in Obstetrics and Gynecology and Pediatrics. He then spent 2 years in London, U.K. working as an SHO in Pediatrics. He completed his Residency in Pediatrics at The University of California San Francisco (UCSF) followed by a Core Fellowship and Senior Fellowship in Pediatric Cardiology also at UCSF. Since 1999 he has worked as a cardiologist and in the Non-Invasive Imaging Division at Boston Children’s Hospital. His main research interest is in the field of fetal cardiology and in the field of fetal cardiac interventions.


Nick Arbic, HBKIN, RDCS

Fetal Cardiac Program


Dept. of Paediatrics

Paediatric Fetal Cardiac Sonographer III, The Hospital for Sick Children from 2007

Mr. Arbic is a Fetal Cardiac Sonographer III at the Hospital for Sick Children. The complexity of congenital heart disease and the joy of working with children are two of the many reasons he loves his job. He is an avid golfer, a 3 time SickKids employee golf tournament long drive champion and loves being a dad.

Rajiv Chaturvedi, MB BChir, MD, PhD

Staff, Cardiologist, Interventional Cardiology, The Hospital for Sick Children

Associate Professor of Paediatrics, University of Toronto

MB BChir University of Cambridge, UK 1989. MD University of Cambridge, UK 2000 PhD University of London, UK 2006. Research Interests. Cardiovascular Physiology.

David Chitayat, MD

Head, Prenatal Diagnosis and Medical Genetics Program

Professor of Paediatrics

Dept. Obstetrics & Gynaecology

Mount Sinai Hospital, Toronto

Dr. Chitayat was the recipient of the 2010 Founders Award for Excellence in Medical Genetics of the Canadian College of Medical Geneticists in recognition of his significant contribution to the Canadian College of Medical Geneticists and the Genetics Community. He has published over 15 book chapters and over 400 peer reviewed papers in this field.

Mark Friedberg, MD

Fetal Cardiac Program

Associate Professor of Paediatrics

Dept. of Paediatrics

Dr. Friedberg has been on staff as a Paediatric Cardiologist at the Hospital for Sick Children since 2006. He is an Associate Professor of Paediatrics at the University of Toronto and an Associate Scientist in the SickKids Research Institute. He is currently Director of Echocardiography Research in the lab at the Hospital for Sick Children. He is also a member of the editorial board of the Journal of the American Society of Echocardiography and the Journal of the American College of Cardiology: Cardiovascular Imaging.

Dr. Friedberg’s research interests are in the assessment of ventricular function in children and in the use of new echo technologies, including strain and strain rate. In synergy with his clinical research, he runs a translational research program investigating mechanisms of ventricular-ventricular interactions in experimental models of pulmonary hypertension and right ventricular pressure-loading; and the potential to harness them for therapeutic benefit.

Fraser Golding, MD, FRCP (C)

Operational Director, Echocardiography

Assistant Professor of Paediatrics

The Hospital for Sick Children, Toronto, Ontario

Dr. Golding joined the Division of Cardiology at SickKids in 2004 as a Clinician Specialist with a clinical, research and educational focus within the Section of Echocardiography and the Fetal Cardiac Program.

Dr. Golding has a strong interest in teaching for both paediatric cardiology and paediatric trainees.  He is the electives coordinator for the University of Toronto Electives Program for local, national and international medical students and paediatric residents.  He is the program co-director for the annual Fetal Outreach meeting, which focuses on enhancing prenatal detection of congenital heart disease.

Currently Dr. Golding is developing a number of teaching tools for paediatric echocardiography and paediatric cardiology; these tools will be introduced and the effectiveness in knowledge translation and retention will be studied prospectively.

Vitor Guerra, MD, PhD

Staff, Cardiologist, Fetal and Echocardiography, the Hospital for Sick Children

Assistant Professor of Pediatrics, University of Toronto, Department of Pediatrics

Dr. Guerra graduated from Universidade Federal de Minas Gerais in 1992 and started his paediatric specialty training at the Heart Institute of the University of Sao Paulo, the largest heart centre in Latin America. In 2003 he came to SickKids as a fellow in Cardiology specializing in paediatric echocardiography. Dr. Guerra obtained his PhD in tridimensional echocardiography from the University of Sao Paulo. Before joining SickKids as staff in March 2016 he worked as associate professor in New Orleans’ Tulane University.

Edgar Jaeggi, MD, FRCPC

Head, Fetal Cardiac Program

Professor of Paediatrics

Dept. of Paediatrics

Dr. Jaeggi is the section head of the Fetal Cardiac Program at SickKids. He has a strong research interest in fetal arrhythmia.

Wadi Mawad, MD, FRCP

Division of Paediatric Cardiology

Assistant Professor of Paediatrics

Dept. of Paediatrics

Centre Hospitalier Universitaire Sainte Justine, Québec

Dr. Mawad received his medical degree from the Université de Montréal in 2009. He completed her paediatrics residency at the Centre Hospitalier Universitaire de l’Université Laval (CHUL) 2012 and a subspecialty in paediatric cardiology at Centre Hospitalier Universitaire Sainte Justine in 2015. Dr. Mawad also completed a subspecialty fellowship in non-invasive cardiac imaging in Toronto’s Hospital for Sick Children from 2015 to 2018. Dr. Mawad’a areas of clinical and research interest include fetal cardiology, blood flow imaging by echocardiography and cardiac magnetic resonance.

Tim van Mieghem, MD, PhD. MPH

Fetal Medicine Program

Associate Professor of OB/GYN

Dept. Obstetrics & Gynaecology

Mount Sinai Hospital, Toronto

Dr. Van Mieghem, is a maternal fetal medicine specialist at Mount Sinai Hospital in Toronto and Associate Professor at the University of Toronto. He received his basic obstetrics training and PhD at the University Hospitals Leuven, Belgium. His research and clinical practice concentrate on prenatal diagnosis and fetal therapy. He is an editor for the journal Prenatal Diagnosis.

Steven Miller, MD, CM, MAS, FRCPC

Head, Division of Neurology and a Senior Scientist in Neurosciences & Mental Health at the Hospital for Sick Children

Professor, Department of Paediatrics at the University of Toronto

Dr. Miller holds the Bloorview Children’s Hospital Foundation Chair in Paediatric Neuroscience

Collaborating with a multidisciplinary team, Dr. Miller's research program focuses on better understanding brain injury and development in the newborn. He and his team use advanced brain imaging and detailed long-term follow-up to help children who were born early or with conditions that put them at risk of neurological and developmental deficits. He has contributed to our understanding of brain abnormalities caused directly by premature birth, perinatal asphyxia or indirectly by congenital heart disease.


Fetal Cardiac Program & Diagnostic Imaging

Assistant Professor of Paediatrics

Dept. of Paediatrics

Dr. Seed did his medical training in the United Kingdom and undertook specialist training in paediatrics and radiology in Newcastle and Leeds before coming to SickKids to join the fellowship programs in paediatric cardiac imaging and paediatric cardiology.  He was appointed as a clinician investigator and staff cardiologist/radiologist at SickKids in 2011, and became Division Head of Cardiology, Labatt Family Heart Centre in August 2017.

Varsha Thakur, MD, FRCPC

Fetal Cardiac Program

Assistant Professor of Paediatrics, Dept. of Paediatrics

Dr. Thakur completed medical school at the University of Western Ontario and her paediatric residency at the Children’s Hospital of Western Ontario.  Her paediatric cardiology training was started at the Stollery Children's Hospital in Edmonton Alberta and completed at The Hospital for Sick Children in Toronto.  She joined the Hospital for Sick Children as a staff cardiologist in the fetal and paediatric echocardiography lab in 2013. In addition, Dr. Thakur also provides paediatric cardiology services at Trillium Health Partners since 2014 including fetal cardiology and inpatient and outpatient cardiology services. Outside of her busy clinical practice, she enjoys spending time with her husband, chasing around her 3 kids, travelling, reading, practicing yoga and attempting to ski.

Rachel Wald MD, FRCPE

Staff Cardiologist, Mount Sinai Hospital, University Health Network and the Hospital for Sick Children.

Associate Professor, Department of Paediatrics and Medicine,

Pediatric, Medical Imaging and of Obstetrics and Gynaecology, University of Toronto

Dr. Wald is a leading expert in the congenital cardiac condition called Tetralogy of Fallot.

She is among several global medical experts who are part of the oldest and largest adult congenital heart disease program in the world, housed at PMCC and Toronto General Hospital.

She has training in pregnancy and heart disease, adult congenital cardiology, paediatric cardiology and cardiac imaging (echocardiography and magnetic resonance imaging). Her research focuses on the application of cardiac imaging modalities to improve the care of pregnant women with heart disease and children and adults with congenital heart disease.

Shi-Joon Yoo, MD, PhD, FRCPC

Staff Radiologist Section Head, Cardiac Imaging at the Diagnostic Imaging Dept

Fetal Cardiac Program & Diagnostic Imaging

Professor of Medical Imaging

Dept. of Diagnostic Imaging

Dr. Yoo is a cardiac radiologist and leads the Division of Cardiac Imaging. He is a professor of the Departments of Medical Imaging and Paediatrics at the University of Toronto. His main clinical and research activities are MR and CT applications in children with cardiovascular disease and fetal echocardiography. He is an early adopter of 3D printing in paediatric cardiology and surgery. This technique allows preoperative assessment and simulation of the surgical procedures in patients with complex congenital heart disease, morphology teaching and hands-on surgical training. 


Program Director: Edgar Jaeggi

Co-Program Directors: Fraser Golding, Mike Seed & Tim Van Mieghem

Hospital for Sick Children and Mount Sinai Hospital, Toronto, Ontario, Canada


Admin Lead: Shelley Kahn

Admin Co-Lead: Nita Choonsingh & Britney Colussi

Fetal Nurse Coordinator: Nathalie Dutil