Dr. Sieberg is a Clinical Psychologist in the Pain Treatment Service at Boston Children's Hospital and an Assistant Professor in Psychiatry at Harvard Medical School. She is Co-founder and Co-Director of the Biobehavioral Pediatric Pain Lab. Dr. Sieberg is also an Adjunct faculty member at Boston University School of Medicine.

Dr. Sieberg is a summa cum laude graduate of Boston College where she studied Human Development and Education. She holds a Master of Education with a specialization in Risk and Prevention in Children from Harvard University and a Master of Arts in Applied Developmental and Educational Psychology from Boston College. Dr. Sieberg earned her Doctorate in Clinical Psychology with a dual focus in Child and Health Psychology from the University of Rhode Island in 2009. She completed her APA-approved Clinical Psychology Internship at Brown Medical School and a two-year Clinical-Research Fellowship with the Pain Treatment Service at Boston Children's Hospital where she was also an international trainee with the Pain in Child Health (PICH): Canadian Institutes of Health Research Strategic Training Initiative in Health Research.