Andrea Davis received her B.A. in psychology from Swarthmore College, M.A. in theology from Fuller Theological Seminary, and Ph.D. in clinical psychology from Fuller Graduate School of Psychology. She completed her postdoctoral fellowship in infant mental health and early childhood disorders at Brown University Medical School. She returned to the west coast to join the UCLA Department of Pediatrics as Director of Research for the FOCUS project intervention study and to open a private practice in Pasadena, California. This practice grew into Greenhouse Therapy Center, a psychological center providing psychotherapy to individual adults, couples, parents, adolescents, and children from an attachment theory perspective. Greenhouse also offers intensive in-home Floortime or relationship-based developmental intervention for children and adolescents with developmental disorders and their families.

Lahela Isaacson, M.S., LMFT, has devoted her professional career to working with children with special needs using the DIRFloortime(R) model. Ms. Isaacson received her B.A. in psychology from Pepperdine University. She earned her M.S. in marriage and family therapy from Seattle Pacific University. Soon after graduating she was introduced to the DIRFloortime model and was captivated. Ms. Isaacson currently works at Greenhouse Therapy Center as a DIRFloortime supervisor and program manager.

Michelle Harwell, M.S., LMFT, is an expert training leader and supervisor in DIRFloortime(R) and an infant mental health and early intervention specialist. She maintains a thriving private practice in Los Angeles, California, where she sees clients across the age spectrum: infants, children, adolescents, and adults. She also works as an infant mental health consultant at Elizabeth House, where she helped to secure grant funding through the Pasadena Child Health Foundation to provide mother-infant psychotherapy to at-risk homeless mothers. Ms. Harwell received her B.A. in English literature from the University of Oklahoma, M.A. in theology from Fuller Theological Seminary, and M.S. in marriage and family therapy from the Fuller Graduate School of Psychology. She dedicated her postgraduate training to the areas of development, attachment, trauma, and neuroscience and is currently completing her Ph.D in psychoanalysis from The Institute for Contemporary Psychoanalysis. Ms. Harwell is a well-respected speaker, trainer, and supervisor who provides professional development and consultation to therapists and families.