Faculty and Staff


Noreen Buchanan The Diener School Maryland

Dr. Noreen Buchanan, CCC-SLP, Head of School. Noreen earned her Bachelor of Science degree in Speech and Hearing Science at the State University of NY, College at Geneseo, her Masters of Arts degree in Communication Disorders at SUNY Buffalo and her Doctorate in Education- Teaching and Curriculum, at the University of Rochester. Noreen has worked as a speech-language pathologist since 1985, and holds the American Speech Language and Hearing Association’s (ASHA) Certificate of Clinical Competence (CCC-SLP). She has sixteen awards for continuing education from ASHA (ASHA ACE). Prior to joining Diener, Noreen enjoyed a long career in education in Rochester, NY. Noreen’s career includes roles such as school based speech-language pathologist for grades K-12; Senior Speech-Language Diagnostician and Practice Manager for the Pediatric Developmental Unit, a highly respected multi-disciplinary team of developmental pediatricians, special educators, psychologists and speech-language pathologists who provided complete and integrated diagnostic evaluations and programs for children with developmental differences and disabilities; Director of Speech Pathology and Educational Services at Rochester Hearing and Speech Center; and most recently, Executive Director and CEO of Rochester Childfirst Network, dedicated to providing high quality care, early education and advocacy for young learners. Noreen is an experienced presenter, and has a large repertoire of presentations that focus on understanding a wide range of developmental learning profiles and designing effective interventions (For a list of Dr. Buchanan’s presentations, click here). She comes to Diener with expertise in language based learning needs, dyslexia/reading difficulties; central auditory processing and social-pragmatic language differences. Noreen is also a seasoned mentor, pulling out skills and strengthening teaching strategies to produce strong outcomes for educators, speech language pathologists and administrative personnel. Noreen joined The Diener School in 2016.


Kim Hiller The Diener School MarylandKim Hiller, Director of Education and Student Services. Kim holds a Bachelor degree in Finance from the University of Miami and a Master’s Degree in Special Education, with a concentration in Learning Disabilities, from University of Maryland. Kim began as The Diener School’s Learning Skills Specialist when the school opened its doors in 2007. In the fall of 2010, she became the Director of The Upper School. This year Kim has been named as the Director of Education and Student Services. Before joining Diener, Kim taught as an Inclusion and Resource Teacher in MCPS. She also ran her own tutoring company, Tutor Rx, providing private tutoring to students who were experiencing learning difficulties, in need of strategy instruction, remediation, or curriculum based support. Additional course study and certifications include: Atlantic Seaboard Dyslexia Education Center; Multi-Sensory Math Course I and I; Multi-Sensory Writing Instruction; Wilson Fundamental Reading Program; Character Education; Kingsbury Tutor Training; and Safety Cares.

Kathy Chumas The Diener School MarylandKathy Chumas, Director of Admissions and Therapeutic Services. Kathy received her Bachelor of Science in Physical Education/Health and Fitness from Frostburg State University and completed her Master of Science in Occupational Therapy at Shenandoah University. She is a registered and licensed occupational therapist (M.S. OTR/L) Kathy has worked as a pediatric therapist since 2004 and joined Diener in 2007. Prior to joining The Diener School full time, she worked in pediatric clinical settings performing assessments and developing occupational therapy treatment plans for children with a variety of diagnoses including sensory processing disorders, developmental delays, and communication disorders.  Kathy has attended various workshops on cutting edge treatment strategies for children diagnosed with ADD/ADHD, visual processing disorders and language based challenges.

Kristine Manlove-Casa The Diener School MarylandKristine Manlove-Casa, Learning Skills Specialist. Kristine received her Master’s in Education, Special Education, in 2011 from Kaplan University, Chicago, Illinois. She also received a BS in Business Administration in 2009 from Wesley College in Delaware. Kristine has been a lead teacher at Diener since 2011, assuming her present position in July 2016. Prior to her employment at Diener, Kristine was both a Lead Teacher and Assistant at The Spectrum Center in Washington DC and Tutor at the Literacy Council.   

Laurie Aaronson The Diener School MarylandLaurie Aaronson, Director of Operations and Development. Laurie has been in the administrative field for the past 10 years.  Laurie attended University of Maryland University College, studying for her Paralegal degree. She began her career at Diener as the Office Manager and most recently, expanded her role to Director of Operations and Development. Laurie runs all administrative tasks such as payroll, insurance and is the liaison between our Board Treasurer and Accountant. Laurie also organizes activities and events at Diener including after school enrichment, Bullis Buddy visits, field trips as well as school and community events and fundraisers. She is committed to building and fostering relationships with parents, alumni and greater community while creating mutually beneficial relationships with new donors to support Diener.


Elle BaskinElle Baskin, Science Teacher. Elle graduated in December 2010 with a Bachelor’s Degree in Hearing and Speech Sciences from the University of Maryland. She holds two minors in Linguistics and Early Childhood Development and Education. In addition, she has been trained in Applied Behavior Analysis, Verbal Behavior therapy, Floortime therapy and Positive Behavior Intervention System techniques. Elle has worked for the Arc of Montgomery County, Montgomery County Public Schools, and spent two semesters as a researcher and teacher for LEAP preschool at the Hearing and Speech clinic at UMD- College Park. 

Jenni Cook The Diener School MarylandJenni Cook, Lead Teacher. Jenni obtained a B.S. in Elementary Education from Pennsylvania State University in 2000 and completed her Master’s Degree from Johns Hopkins in Early Intervention Special Education in 2009. Jenni has worked with a variety of learners ranging from preschool to middle school.  She has been a part of the Diener Team since 2009, where she began as a Lower School teacher. She then spent two year in the role of Learning Skills Specialist, and three years as the Director of the Lower School, where she provided strong mentoring to lower school teachers. She returns to the classroom this year to work more directly with students and to capitalize on her considerable skills as an educator.

Deanna Davis The Diener School MarylandDeanna Davis, Lead Teacher. Deanna received her Master of Science in Special Education from Johns Hopkins University in December 2014. She also holds a Bachelor of Music degree from Westminster Choir College. Prior to joining Diener, Deanna worked with students with special needs at a local preschool and also taught music lessons. Deanna started out as a teaching assistant at Diener in 2008 and after two years, became a lead teacher. Deanna currently serves as a mentor teacher. She is also a talented musician who shares her musical skills in afterschool clubs for Diener students.

Lorin Hartmann The Diener School MarylandLorin Hartmann, Lead Teacher. Lorin Hartmann earned an M.A. in Special Education: Learning Disabilities from American University in 2010. She earned a B.S. in Creative Advertising and minor in French from Syracuse University in 2007. She has taught special education in public and private schools and has also taught pre-school. Lorin joined Diener during the 2016-2017 school year. She possesses a wealth of information about technology use in the classroom and is also trained in Phono-Graphix.

Nicole Tanjutco The Diener School MarylandNicole Tanjutco, Lead Teacher. Nicole graduated from Towson University with a Bachelor of Science in Elementary Education in 2014. She worked in both Baltimore County and Montgomery County Public schools for two years prior to joining Diener. Nicole started as a teaching assistant in the fall of 2015 and after a year was appointed to a lead teacher position.

Jem Waldman The Diener School MarylandJem Waldman, Lead Teacher. Jem received an undergraduate degree (BA) in Psychology at Swarthmore College. After college, Jem worked at the University of Pennsylvania Medical Center as a research assistant for the departments of geriatric psychiatry, neuropsychology, and psychopharmacology. Jem then attended the Graduate School of Education at the University of Pennsylvania, earning an M.S. Ed with a specialization in psychological services in education. Prior to coming to Diener, Jem worked as a children's therapist in a community mental health care center serving at risk children in Philadelphia, as well as serving as lower school counselor at the Kingsbury Day School in Washington, DC. This is Jem's 5th year at Diener.

Teaching Assistants

April Barnhill The Diener School MarylandApril Barnhill, Teaching Assistant. April earned a Bachelor of Arts degree in early childhood education from Hood College in 2015. She has worked at the Jewish Community Center Preschool and The Goddard School in Urbana. She has also been a substitute teacher for several public schools in Montgomery County, and has provided tutoring. April is new to The Diener School and is a strong believer in the power of education.

Lillian Correa The Diener School MarylandLillian Correa, Teaching Assistant. Lillian earned a Bachelor’s degree with a concentration in Education from Hampshire College in 2002. Before arriving in Maryland, she taught in schools in Massachusetts, Oregon, and Michigan. She is deeply committed to progressive education and reflective teaching. Lillian has significant experience partnering with richly diverse children and families. She is thrilled to join the community at The Diener School this year.

Kayla Dunn The Diener School MarylandKayla Dunn, Teaching Assistant. Kayla earned a Bachelor of Arts in Psychology and Education from St. Mary’s College of Maryland in 2016. Last year, Kayla worked as a lead preschool teacher at the Goddard School in Silver Spring and is working towards completing her Master’s degree in Speech-Language Pathology. She is excited to be a part of The Diener School this year.

Sean Strumpf The Diener School MarylandSean Strumpf, Teaching Assistant. Sean earned an Associates of Arts degree from Montgomery College in 2012. He worked as a special education para-educator for Montgomery County Public Schools from 2014-2016. In addition, since 2015 to present, he works at Changing the Lives of Children with Autism (CLCA) as an intensive individual support technician. He holds multiple certifications, which include: Non-violent Crisis Intervention; Prevention and Management of Aggressive Behavior (PMAB); Cardiopulmonary Resuscitation (CPR) and Automated External Defibrillator (AED); and First Aid.

Jannine Swersky The Diener School MarylandJannine Swersky, Teaching Assistant. Jannine earned a Master’s degree in General and Special Education from Bank Street Graduate School of Education in 2012.She currently holds teaching certification in Maryland.  Jannine has worked with children since the age of 16. Her professional experience includes working in childcare and at a Jewish preschool. Jannine joined Diener School in the 2016-2017 school year, and is happy to enter her second year as part of the Diener community.

Kara Wilt The Diener School MarylandKara Wilt, Teaching Assistant. Kara earned her Bachelor’s degree in Speech Language Pathology from The University of Arizona in 2016. Prior to starting at Diener, Kara worked as an assistant teacher at Little Protégés in Prince Frederick Maryland. She is currently working towards her Master’s degree in Speech-Language Pathology, and is excited to be working at Diener this year.


Hilary Raizon The Diener School MarylandHilary Raizon, Occupational Therapist. Hilary graduated from the University of Cape Town, South Africa. She has been a practicing occupational therapist since 1982. She is certified in the administration of the Sensory Integration and Praxis Tests (SIPT). She has also completed the Neurodevelopmental Treatment course (NDT). 

Theresa Quinn The Diener School MarylandTheresa Quinn, Speech-Language Pathologist. Theresa earned a Bachelor of Arts degree in Speech-Language Pathology and Audiology from Iona College in 2013 and Master of Science degree in Speech-Language Pathology from Molloy College in 2015. She has provided speech-language services to elementary school students and middle school students in a variety of school setting. Theresa has also worked alongside families to aid adults with varying abilities to acquire employment skills, life skills and social skills in the community.  She currently is licensed as a speech-language pathologist in the state of Maryland and holds the American Speech Language and Hearing Association’s Certificate of Clinical Competence (CCC-SLP). 


John Soares The Diener School MarylandJohn Soares, Adaptive Physical Education. Coach John graduated from the University of Maryland in 2007 with a Bachelor of Science degree in Nutrition Food and Sciences. He continued his education at Montgomery College to pursued an advanced degree in Early Childhood Education. John is employed by MoCo Movement as a Center Movement Coach and brings his creativity and enthusiasm to the Diener team. John is very active in the community, serving as a Community Therapist for CLCA (Community Learning for Children with Autism) and is a dedicated soccer coach for the MSI Soccer League.

Jyoti Dhibi The Diener School MarylandJyoti Dhibi, Art and Yoga Instructor. Jyoti received a Bachelor of Arts degree from George Washington University in 2004, with a combined major in Art History and Fine Art and a minor in French literature. She received a Master’s degree in the Art of Teaching from the Corcoran College of Art and Design. Jyoti has also studied at the American University of Paris. In addition to her talents in art, Jyoti hold multiple certifications as a yoga instructor including Integral Yoga Basic, Integral Yoga Intermediate, Integral Yoga Prenatal, Raja Yoga, Yin Yoga, Baby Yoga and Toddler Yoga. Jyoti joined Diener in the spring of 2016 and has since dazzled parents and staff with the artistic skills she pulls from our students. In addition to providing yoga to Diener students, she also runs her own private Yoga studio.

Robin Allen The Diener School MarylandRobin Allen Ph. D, Behavioral Specialist. Dr. Allen is a Behavior Specialist in private practice in the Washington metropolitan area. She has been a consultant to the Diener program since its inception in 2007.  Currently, Dr. Allen provides weekly consultation services to Diener to collaborate and craft positive behavioral interventions and share her insights with Diener staff.  Her career has spanned over thirty years, during which she has provided behavioral services and interventions in numerous schools, service delivery organizations, and residential agencies .In addition,  Dr. Allen has provided in-home consultation and support to hundreds of families and care givers of individuals with developmental and behavioral needs. She is a prolific national and local presenter, providing much needed information through workshops and seminars for families, educators, and professionals.