Our Team

The Center for Youth Wellness staff is a diverse team of health providers with extensive experience in adolescent medicine, behavioral and mental health, nutrition, physical activity, and research.

	Lynne Karlson, MD is CYW’s Program Director. Dr. Karlson has practiced primary care pediatrics in Boston for 25 years and has taken care of children and adolescents with a diversity of health care problems. She is Chief of the Division of General Pediatrics and Adolescent Medicine at Tufts Medical Center.
	Michael Leidig, MS, RD, LDN, CPT is CYW’s Clinical Director. Mr. Leidig is a Registered Dietitian and Certified Personal Trainer and has worked in the child/adolescent and adult weight management fields since 2000. He brings expertise in the design, management, and evaluation of clinical programs and research studies.
	Mary Brown, MD is CYW's Clinician. Dr. Brown is an Assistant Professor of Pediatrics at Tufts University School of Medicine and practices general pediatrics and adolescent medicine at the Floating Hospital for Children. She has clinical interests in children and teens with chronic health issues and transition of medical care from pediatrics to adult medicine.
	Susan Meagher, PhD is CYW’s Psychologist. Dr. Meagher is an Assistant Clinical Professor at Tufts University School of Medicine and is a practicing child clinical psychologist in the Psychiatry Department of Tufts Medical Center. She has clinical interests in the connection between emotional and physical well-being, the role of developmental/family transitions in health behaviors, and the treatment of mood and anxiety disorders in children and teens.
	Em Biever, MS, RD, LDN is CYW’s Dietitian. Em is also the dietitian for the General Pediatrics clinic at the Floating Hospital for Children. Her interests include child and adolescent weight management, dyslipidemia, and sports nutrition.
	Micki Diegel is CYW’s Administrative Assistant and has worked at Floating Hospital for Children in several capacities for over 15 years.