Fussy Baby Network staff members are supportive, experienced professionals with deep insights into working with infants and families.

Staff in Fussy Baby Network’s Chicago headquarters are listed below. Contact our national partners for local staff.


Linda Gilkerson, Ph.D.

Linda is a professor at Erikson Institute and founder and executive director of its Fussy Baby Network. Linda has specialized in creating programs to support parents and their infants. She works with state agencies and national organizations such as Zero to Three: National Center for Infants, Toddlers, and Families to address the needs of infants and families. On the Fussy Baby Network team, Linda directs our program and develops Fussy Baby Network programs in other states. Read Linda’s full profile

Larry Gray, M.D.

Larry is a board-certified general pediatrician with sub-specialty certification in developmental and behavioral pediatrics. He is an assistant professor of pediatrics at the University of Chicago. His clinical practice and research focus on the behavioral and developmental issues of infants and young children with a special emphasis on temperament and the developmental and behavioral ramifications of early stress. As the medical director for the Fussy Baby Network, he consults with the network team on infant medical conditions and infant behavior and development He also consults with families who have concerns about their infant’s behavior and development. This consultation is provided at the University of Chicago. Read Larry’s full profile

Nancy Mork, LCSW, I/IECMH-C

A social worker, Nancy is Fussy Baby Network’s associate director of direct services and clinical coordinator. She provides home visiting services to families. She has worked with families, young children, and infants for more than 20 years in a variety of settings. She is past president for the Illinois Association of Infant Mental Health. Her areas of expertise include colic, sleep in the first year, and postpartum mood disorders. She also co-facilitates the Fussy Baby Blues Web-based group. Nancy holds an infant studies certificate from Erikson Institute.

Fussy Baby Network team

Maria Paz Ardito, M.A.

Maria Paz is from Santiago, Chile, where she graduated as a psychologist from Pontificia Universidad Católica de Chile, and completed her graduate training in psychoanalytic psychotherapy. She has 10 years of experience working with children and their families in clinical settings, and is trained as a Fussy Baby specialist and on the Theraplay approach. At Fussy Baby Network, Maria Paz provides home visiting and warmline support to Latino families in Chicago with concerns around their infants’ feeding, sleeping or crying. She is a member of the Illinois Association of Infant Mental Health, and the International Association for Relational Psychoanalysis and Psychotherapy.

Marsha Baker, M.Ed., OTR/L, I/IECMH-C

Marsha is an occupational therapist and infant specialist with more than 20 years of experience working with infants, young children, and their families. She earned her master’s degree in child development and certification in infant mental health and infant studies from Erikson. She also is a certified infant massage instructor. She specializes in treating infants with feeding problems and sensory/regulatory disorders.

Anastasia Doherty

Anastasia Doherty is the Project Coordinator for the Fussy Baby National Network. She facilitates training across twenty plus sites nationally, and helps track and analyze training impact. Ana holds a Bachelors in English and Justice and Peace from Georgetown University, and is a registered yoga instructor. She brings an interest in mindfulness, alternative trauma treatment, and reproductive justice to the Fussy Baby Network.

Hannah Jones-Lewis

Hannah is a social worker with specialized training and experience in trauma and its impacts on young families. She holds a master’s degree in clinical social work and has experience in working with English and Spanish-speaking families in a variety of urban settings. At Fussy Baby Network, Hannah serves as a project manager for the Fussy Baby Network training for Healthy Families home visitors’ project, in addition to doing home visits with families.

Rachel Justice, M.S.

Rachel is a graduate of the Erikson Institute and holds a master’s degree in child development with a specialization in Infancy. At Fussy Baby Network, Rachel serves as the Project Manager for the Family-Physician Communication research study as well as working to support the National Network through training and dissemination coordination.

Michelle Lee Murrah, M.Ed., LCPC, I/IECMH-C

Michelle is a counselor and infant mental health specialist. She holds a master’s degree in counseling with a specialization in early intervention and a certificate in infant mental health. She is also a certified infant massage instructor. Michelle is the director of a prevention initiative grant, which is a collaboration with Fussy Baby Network and Chicago Public Schools. Michelle also is a home visitor, provides training, and leads groups for parents.