Stefan Friedrichsdorf, MD, FAAP is the Elisa and Mark Stad Professor of Pediatric Pain Medicine, Palliative Care and Integrative Medicine at the University of California at San Francisco (UCSF) and Chief of the Division of Pediatric Pain, Palliative and Integrative Medicine at the Benioff Children’s Hospitals in Oakland and San Francisco, California, United States. He is the physician sponsor of the "Comfort Promise", a quality improvement initiative which has already been rolled out in more than 20 hospitals on 5 continents to eradicate or significantly decrease pain and anxiety caused by elective needle procedures by offering a bundle of 5 modalities. For every child. Every time.