Diana Sheehan, PhD, MPH, is the Executive Director and Co-Founder of The CHAT Lab, where she leads the organization's mission to build resilience and social-emotional skills in children. As a researcher trained in epidemiologic methods, she designs and evaluates programs to measure their real-world impact on children's mental health. Dr. Sheehan serves as a Courtesy Associate Professor in Epidemiology at Florida International University's Robert Stempel College of Public Health and Social Work, where her work focuses on reducing barriers to mental health care for vulnerable populations.c

Pilar Delgado, PhD, IMH-E, is an early childhood development specialist, infant mental health consultant, and educator with more than 20 years of experience supporting young children, families, and the professionals who serve them. She holds a doctorate in Early Childhood Development and Teaching/Learning, with research examining how brain development and early relationships shape children's learning, behavior, and emotional well-being. Dr. Delgado specializes in translating developmental science into practical strategies that parents and educators can use every day.

April Miralles brings 17 years of experience in early childhood education, with degrees in Montessori Primary Education, Elementary Childhood Education, and English. She spent a decade teaching in Montessori classrooms before moving into a charter school, where she currently teaches first grade. Ms. Miralles is passionate about helping her students thrive academically, socially, and emotionally, and brings that same focus on whole-child development to her work with The CHAT Lab. Her classroom experience offers a valuable, on-the-ground perspective on how children learn to navigate stress and build relationships.

Christine R. Hughes, Ph.D., IMH-E® is a developmental psychologist in Miami, FL whose passion for supporting young children and their families has guided her career for nearly 20 years. She specializes in infant and early childhood mental health, with a focus on the critical years from pregnancy through age five. Working in early childhood systems at the local, state and national level, Dr. Hughes provides training and consultation on early development, stress, resilience, and reflective practices. Dr. Hughes proudly serves as the Executive Director of the Florida Association for Infant Mental Health, strengthening our infant & early childhood mental health workforce across the state.

Michelle Bortnik, LMFT, is a Licensed Marriage and Family Therapist, Registered Play Therapist, and Infant Mental Health Specialist with more than a decade of experience as a school counselor across early childhood through high school. She maintains a private practice serving children, teens, and young adults, and offers parent coaching centered on emotional well-being and resilience. Ms. Bortnik is passionate about equipping students and families with the tools they need to navigate life's challenges with confidence.

Robert Glick, CPA, is a shareholder at Kaufman Rossin with more than 35 years of experience in public accounting, including audits, mergers and acquisitions, and tax planning. He brings extensive nonprofit governance experience to The CHAT Lab, having served as board treasurer for organizations including the Florida Grand Opera and the Rhythm Foundation. Mr. Glick is committed to strong financial stewardship and sound governance as The CHAT Lab grows its reach to more children and communities.