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Heart Center Leadership Team

Meet the experts leading the Dr. C.C. and Mabel L. Criss Heart Center, dedicated to delivering exceptional, family-centered cardiac care for children.

Leadership Advancing Cardiac Excellence

The Dr. C.C. and Mabel L. Criss Heart Center leadership team guides a multidisciplinary program dedicated to delivering expert, family-centered cardiac care for children with congenital and acquired heart conditions.

Jeffrey-Delaney-1932262706

Jeffrey W. Delaney, MD, FSCAI

Division Chief of Pediatric Cardiology | Pediatric Cardiologist | Congenital Interventional Cardiologist

Meet Dr. Delaney

Angeline Larson

Director of Strategic and Business Operations

Ram Kumar-Subramanyan

Ram Kumar Subramanyan, MD, PhD, FACS

Division Chief of Pediatric Cardiothoracic Surgery | Surgical Director, Cardiac Care Unit | Cardiothoracic Surgeon

Meet Dr. Kumar Subramanyan
Ryan Hamlin

Ryan J. Hamlin, MD

Director, Pediatric Cardiac Anesthesia Operations | Pediatric Cardiac Anesthesiologist

Meet Dr. Hamlin
Timothy Welch

Timothy P. Welch, MD

Section Chief, Pediatric Cardiac Anesthesia | Pediatric Cardiac Anesthesiologist

Meet Dr. Welch
Learn About the Heart Center

Cardiothoracic Surgery Leadership Team

This team leads one of the region’s most experienced pediatric cardiothoracic surgery programs, advancing surgical excellence, innovation and compassionate care for children with complex heart conditions.

Ram Kumar-Subramanyan

Ram Kumar Subramanyan, MD, PhD, FACS

Division Chief of Pediatric Cardiothoracic Surgery | Surgical Director, Cardiac Care Unit | Cardiothoracic Surgeon

Meet Dr. Kumar Subramanyan
Camille Hancock-Friesen

Camille L. Hancock Friesen, MD

Surgical Director, Advanced Pediatric Heart Failure & Transplant | Pediatric Cardiothoracic Surgery

Meet Dr. Hancock Friesen
Ali Ibrahimiye

Ali N. Ibrahimiye, MD, FACS

Surgical Director, Adult Congenital Heart Disease Program | Pediatric Cardiothoracic Surgery

Meet. Dr. Ibrahimiye

Learn More About Cardiothoracic Surgery

Cardiology Leadership Team

The Cardiology leadership team guides our comprehensive pediatric cardiology program and are committed to patient- and family-centered care.

Jeffrey-Delaney-1932262706

Jeffrey W. Delaney, MD, FSCAI

Division Chief of Pediatric Cardiology | Pediatric Cardiologist | Congenital Interventional Cardiologist

Meet Dr. Delaney
Thomas Blount

Thomas J. Blount, MD

Director, Ambulatory Cardiology | Pediatric Cardiologist

Meet Dr. Blount
Jason Cole

Jason M. Cole, MD

Director, Advanced Pediatric Heart Failure & Transplant | Pediatric Cardiologist

Meet Dr. Cole
Jonathan Cramer

Jonathan W. Cramer, MD

Director, Adult Congenital Heart Disease Program | Adult Congenital Heart Disease Cardiologist

Meet. Dr. Cramer
Christopher Curzon

Christopher Curzon, DO, FSCAI, FPICS

Director, Congenital Interventional Catheterization | Pediatric Cardiologist | Congenital Interventional Cardiologist

Meet Dr. Curzon
Christopher Erickson

Christopher C. Erickson, MD

Director, Genetic Arrhythmia Clinic | Pediatric Cardiologist | Electrophysiologist

Meet Dr. Erickson
Scott E. Fletcher, MD

Scott E. Fletcher, MD

Director, Pediatric Pulmonary Hypertension and Exercise Medicine | Pediatric Cardiologist

Meet Dr. Fletcher
Jeffrey Robinson

Jeffrey A. Robinson, MD

Director, Pediatric Cardiac Electrophysiology | Director, Cardiology Medical Student Program | Pediatric Cardiology

Meet Dr. Robinson
Bobby Slater

Bobby Slater, MD

Director, Cardiac Neurodevelopment Program | Pediatric Cardiologist | Fetal Cardiologist

Meet Dr. Slater
Matthew Sorensen

Matthew W. Sorensen, MD

Director, Project ADAM - Nebraska | Pediatric Electrophysiology

Meet Dr. Sorensen
Melissa Wehrmann

Melissa A. Wehrmann, MD

Director, Cardiac Stepdown Unit | Director, Acute Care Cardiology | Pediatric Cardiologist

Meet Dr. Wehrmann
Jennifer Winter

Jennifer A. Winter, MD

Director, Fetal Heart Program | Pediatric Cardiologist | Fetal Cardiologist

Meet Dr. Winter
Angela Yetman

Anji Yetman, MD

Director, Marfan & Aortopathy Clinic | Pediatric Cardiology | Adult Congenital Heart Disease Cardiologist

Meet. Dr. Yetman

Learn More About Cardiology

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Provider listening to patient's heart.

Criss Heart Center

Every child deserves exceptional care. Children’s Nebraska Criss Heart Center brings nationally recognized specialists and advanced treatments to families across the region.
Nurses talking on patient floor.

Refer a Patient

If your child-patient needs more care, we’ll connect you with our specialists. Start the referral process here.
Former Nebraska Volleyball player, Merritt Beason, visits young Merritt while she awaits a heart transplant at Children's Nebraska.

Merritt’s Story: Heart Patient Meets Pro Volleyball Player

Heart patient Merritt meets volleyball player Merritt Beason.