For more than 65 years, the Herma Heart Institute has built a legacy of pioneering groundbreaking advancements in pediatric heart care.

As we look toward the future, we will never stop in our quest to make the sickest children well again and thrive in their lives. We will continue to challenge the standard of care, break new ground using innovative technology, and improve long-term outcomes with 21st century genetic and stem cell technologies.

• 1940 Children’s Wisconsin is established as a clinic
• 1953 Children’s Wisconsin hires William Gallen, MD, one of the first pediatric trained cardiologists in the country
• 1972 Children’s Wisconsin  hires S. Bert Litwin, MD, the founding pediatric cardiothoracic surgeon at the Herma Heart Institute. Dr. Litwin begins tracking surgical outcomes data that became known as the “Black Book”
• 1981 Children’s Wisconsin  performs its first Norwood procedure, the first of three staged surgeries for hypoplastic left heart syndrome (HLHS)
• 1986 Children’s Wisconsin has its first successful child support on ECMO
• 1991 Children’s Wisconsin establishes its heart transplant program
• 1996 Children’s Wisconsin develops new protocols to monitor different vital signs to increase HLHS survival from 75-95%
• 1999 Children’s Wisconsin creates Project ADAM to help schools prevent sudden cardiac death
• 2000 Children’s Wisconsin first home monitoring program is introduced, which significant reduces mortality between the state 1 and stage 2 HLHS surgeries
• 2003 Herma Heart Center is created through the support of the Herma family
• 2004 Children’s Wisconsin establishes the Adult Congenital Heart Disease Program, one of the first in the country
• 2005 Children’s Wisconsin begins using home ventricular assist devices to support heart transplant patients during their waiting period
• 2007 Children’s Wisconsin launches world’s first developmental follow-up program for heart patients
• 2012 Children’s Wisconsin and the Medical College of Wisconsin develop and pilot a blood test that can replace invasive heart biopsies to more accurately predict heart transplant rejection
• 2015 Children’s Wisconsin starts nation’s first Educational Achievement Partnership Program for children with cardiovascular conditions to bridge the gap between the medical and educational settings
• 2016 Children's Wisconsin surgeons successfully perform groundbreaking surgeries to save the life of a baby born without a trachea
• 2017 Herma Heart Institute is established to drive pediatric heart research and clinical innovation aimed at eradicating congenital heart disease
• 2017 Herma Heart Institute becomes first in the world to use an EXCOR Berlin Heart as a total artificial heart for a child
• 2021 The Cord Blood Program is launched to develop personalized treatment plans for congenital heart disease patients
• 2022 The Herma Heart Institutes celebrates 50 years of Cardiac Insights — the longest living pediatric cardiac registry in the United States
• 2025 Children's Wisconsin and UW Health Kids announce a new joint venture for shared pediatric cardiac and adult congenital heart care services, called Forward Pediatric Alliance
• Now Herma Heart Institute continues its long-standing tradition of innovation