Lindsay Freud, MD, is a pediatric and fetal cardiologist at Columbia University Medical Center in New York City. Her research has centered on understanding the natural history of cardiac disease in utero and exploring novel applications for fetal cardiac therapy – both percutaneous and pharmacologic. In addition, she works closely with Maternal-Fetal Medicine and Genetics to understand perinatal outcomes of genetic syndromes, particularly 22q11.2 microdeletion syndrome, and to elucidate genotype-phenotype correlations in this era of rapid gene discovery with next generation sequencing.
Symposium Faculty
2026 Symposium Faculty
Phoenix Children's Faculty
Mary Baglieri, MBA, MSN
Symposium Host
Mary has been a pediatric critical care Nurse at Phoenix Children’s Hospital for 9 years. She is a native of northeastern Ohio and moved to Arizona in 2008, after graduating from John Carroll University with a Bachelor of Science in Psychology, to work for a nonprofit organization. She then pursued her passion for nursing at Grand Canyon University and graduated with her BSN in. Mary has always enjoyed teaching and helping improve the PICU, therefore decided to go back to Grand Canyon University and graduated in 2019 with both her MBA and MSN in Nursing Leadership. Recently, Mary took on a new role within Phoenix Children’s Hospital as a Clinical Nurse Attending in the CVICU. When Mary is not working, you will find her outdoors hiking, volunteering, spending time with friends, or cheering on any Ohio sports team, especially The Ohio State Buckeyes!
Mel Filipiak, BSN
Symposium Host
Mel Filipiak has been a Phoenix Children’s PICU RN for 14 years and a member of the ECMO team for 6 years. In 2021, Mel began her training to become an ECMO Primer. Mel is originally from Wisconsin and graduated from Arizona State University with a BSN. In her free time, she enjoys her Peloton, DIY, and gardening.
Josh Koch, MD received his medical degree at the University of Kansas and completed his pediatric residency training at the University of Texas Southwestern Medical Center (UTSW). He then served as a chief resident at UTSW and completed his critical care fellowship there in 2008. His research interests include optimizing neurologic outcomes for critically ill infants and children and in particular, preventing arrest and improving post arrest management in the intensive care unit. He serves as the Division Chief of the CVICU and the PICU at Phoenix Children’s Hospital.
Ashley Rollins, MSN Ed, RN, CCRN
Symposium Operations Lead
Ashley has over fourteen years of critical care nursing experience. She was a PICU beside RN and Clinical Education Resource nurse for ten years prior to becoming a Clinical Supervisor for two years. Ashley is currently a Clinical Education Specialist in PICU, CVICU, NICU, and ED.
Anthony Willyerd, MD
Symposium Medical Director
Dr. Willyerd is a Pediatric Intensivist in Phoenix Children’s PICU. He completed a fellowship at Pittsburgh Children’s Hospital before returning to Arizona and PCH in 2013. He is also a faculty member with the University of Arizona College of Medicine Phoenix, Mayo Medical School, and Creighton School of Medicine. Dr. Willyerd is the Critical Care Medicine Fellowship Program Director as well as a Clinician Scientist studying pediatric cardiac arrest, traumatic brain injury, epilepsy management, and sepsis. He enjoys teaching, ice cream, sugar, and his family.
