Meet Our Team:
Melissa Ehmann – Director of Children’s Services
Melissa holds more than sixteen years of experience in the Early Intervention field, focused on securing needed therapies for children from birth to age three. She previously served as a service coordinator, staff trainer, and assistant manager at Child and Family Connections/ Suburban Access in Westchester, Illinois. In her roles, she was deeply involved in coordinating services for families with children who have developmental disabilities and delays and forging connections with community partners.
Bianca Boyce, MSW, LCSW – Licensed Clinical Social Worker
Bianca graduated in 2015 with her Bachelor of Science in Sociology from Central Michigan University. She moved back to Chicago and attended Dominican University to receive her Master of Social Work and graduated in May 2020. She previously served as a service coordinator at Child and Family Connections/Suburban Access Westchester and went on to provide private therapy services for children and families. She is excited to have found such a wonderful team at Oak Leyden and is looking forward to helping children and families discover and learn more about social-emotional skills.
Julie Cameron, MA, CCC-SLP – Speech/Language Pathologist
Julie received a Bachelor of Science in Psychology from Loyola University and a Master of Arts in Speech-Language Pathology from Northern Illinois University. She joined the team at Oak Leyden in 2007. She has extensive experience facilitating communication through non-verbal means, such as PECS and augmentative communication and is trained on feeding, autism spectrum disorders, and apraxia.
Katie Crehan, MS, CCC-SLP – Speech/Language Pathologist
Katie received her Master of Science degree from Rush University and joined the Oak Leyden team in November 2014. Katie has attended special trainings in pediatric feeding including SOS, Food Chaining, and AEIOU approaches. In addition, she has experience working with children with autism, apraxia of speech, Down syndrome, and children who are late talkers.
Gena Crane, MS – Developmental Therapist
Gena received a Master of Science in Child Development from the Erikson Institute in 2007 and joined the team at Oak Leyden shortly thereafter. Gena enjoys working with children and their families, focusing on supporting the parent-child relationship, fostering a child’s play skills, and helping children and their families through important transitions.
Elise Halpert, MS – Occupational Therapist
Elise received her Master of Science in Occupational Therapy from the University of Illinois at Chicago in 2005. She has worked as a pediatric occupational therapist in Early Intervention as well in an Early Childhood classroom and clinic-based settings. Elise is excited to join the team at Oak Leyden and is eager to work with children and their families.
Renee Hanichak, MA, CCC-SLP – Speech/Language Pathologist
Renee received her Bachelor of Arts in Speech and Hearing Science and her Master of Arts in Speech-Language Pathology from The University of Iowa. She began working in pediatrics in 2010 and has loved every minute of it! In addition to individual therapy sessions, Renee also enjoys leading small peer groups as well as parent/child groups. Trainings and special interests include speech and language development, American Sign Language (ASL), social/pragmatics, and PROMPT.
Rachelle Karnchanaphati, M.Ed., – Developmental Therapist
Rachelle received her Master of Education from Ashland University. She joined the Oak Leyden team in September of 2018. Prior to Oak Leyden, Rachelle worked as a classroom teacher in Columbus, Ohio and as a Lead Therapist at Leep Forward Inc. in Chicago. Rachelle is very happy to be a part of the Oak Leyden team, serving the families within the area.
Alison Keane, M.Ed – Developmental Therapist
Alison received her Bachelor of Arts in Music and Communication from Houghton College and Master of Education in Human Services and Counseling from DePaul University. She has been providing group and individual Developmental therapy sessions at Oak Leyden since 2006. Alison is also a registered Music Together teacher.
Abigail Koning, MSOT, OTR/L – Occupational Therapist
Abigail received her Masters of Science in Occupational Therapy from Grand Valley State University in Grand Rapids, Michigan. She began her career as a pediatric occupational therapist in an outpatient center for children with Autism Spectrum Disorders (ASD) and has significant experience working with children with ASD and sensory processing challenges. She has continuing education in the Get Permission Approach to feeding and Handwriting Without Tears.
Christine Langs, M.Ed., – Developmental Therapist
Christine received her Masters of Education in Special Education from the University of Illinois at Urbana-Champaign. She previously worked at United Cerebral Palsy of Chicago in their Early Intervention program before taking time off to raise her children and move to Boston. Christine joined the Oak Leyden team in September 2018. She is invested in providing Development Therapy services to children and their families. Christine is also a Chicago Parent program group leader.
Rachel Nevergall, M.S. – Developmental Therapist
Rachel received a Master of Science in Child Development from the Erikson Institute in 2006 and began serving families in Early Intervention as a Developmental Therapist in the Chicagoland area. After leaving Illinois for10 years, Rachel is excited to back working with families in Early Intervention. She has a passion for parents and caregivers and believes supporting their needs is the best way to support a child. Ages zero to three are her favorite– she is delighted by small connection moments with children and cannot hide her enthusiasm when they learn something new!
Thelma Segbawu, MSOT, OTR/L – Occupational Therapist
Thelma received her bachelor’s degree in Business Administration at the University of Ghana and her master’s degree in occupational therapy from Chicago State University in 2012. She is a pediatric Occupational therapist at Proviso Area for exceptional children. She has worked with children with autism, sensory processing, selective mutism, and other neuro-developmental disorders. She has training in interactive metronome, Rhythmic movements, and primitive reflex integration for optimal function, and handwriting without tears.
Megan Mangas, MS, CCC – SLP, – Speech/Language Pathologist
Meg graduated from Indiana University and Indiana State University where she received her undergraduate and master degrees. During her time as a pediatric speech-language pathologist, she has had experience working with children of all ages in various settings including schools, clinics, and in homes through the early intervention program. Meg has been a part of the Oak Leyden team since 2021. She has a special interest in language delays/disorders, speech sound disorders, and fluency disorders. Meg looks forward to continuing to work with families in the community and making a difference in their child’s communication skills!
Haviva Siegel, MSEd, DPT – Physical Therapist
Haviva joined the Oak Leyden team in 2012. Haviva earned a Master of Science in Childhood Education from Syracuse University and a Doctorate of Physical Therapy from the University of Illinois, Chicago. She has over 10 years of experience in the physical therapy field and a lifetime of experience working with peers and children with special needs and their families. She works collaboratively with children and their caregivers to provide functional physical therapy services and to obtain the necessary equipment. She has a passion for supporting families through advocacy to meet their child’s needs in their homes and around the community. During her Doctorate work, she accomplished two pediatric specialized grant training programs: Graduate Trainee of the LEND program (Leadership and Education in Neurodevelopmental and Related Disabilities) with a focus on Autism, and The Office of Special Education’s training for PT and OT’s for Increased Participation and Inclusion of Children with Low-Incidence Disabilities in Urban Environments. She also has specialized training in torticollis management, gait, and orthotics management for a variety of diagnoses and breath support via training with Marry Massery.
Amy VanSanten, MS, PT – Physical Therapist
Amy received her Master of Science in Physical Therapy from Washington University in 1993. She has additional postgraduate training in treatment of babies, neurologic diagnoses, and working with families. She has worked in Oak Leyden’s Early Intervention Program since 1996. Her areas of specialty include working with premature infants and children with hypotonia.