Dr. Horn has been a practicing developmental, educational, and clinical psychologist for over 30 years. She specializes in the identification of developmental and learning differences such as dyslexia, dyscalculia, attention-deficit/hyperactivity disorder and autism, and mental disorders such as depression, anxiety, autism, and attention-deficit/hyperactivity disorder in children, adolescents, and young adults. She holds an M.Ed. in Educational Psychology from Marquette University and a Ph.D. in Psychology from University of Southern California. She holds a license from the Maryland Board of Psychology and is a member of the American Psychological Association and the Maryland Association of School Psychologists.
Ms. Bosserman has been an educational diagnostician, consultant and advocate for 34 years. She specializes in the identification of learning strengths and challenges and helps match instructional approaches to the unique learning styles of the students she assesses. She helps parents and students navigate the process of securing the best match between the student and the instructional settings and teaching strategies. She holds a Master's Degree in Special Education from Towson University and a B.A. in Education from Loyola University. She is a member of the Independent Educational Consultants Association.
“During my nearly 25 years of pediatric practice in Bel Air, Maryland, I frequently referred patients with ADHD, learning problems, and behavior concerns to Dr. Horn. I was impressed with her thoroughness and professionalism, and parents were grateful for her kind help and intervention..”
– Paul Rogers, M.D.,
Developmental Pediatrician (retired)
Bright Oaks Pediatrics, Bel Air, MD
“There is no way that Jamie would have graduated without Ms. Bosserman’s support. She became a better student than she had ever demonstrated before because of Ms. Bosserman.
– Dan B, Counselor
Fallston High School, Fallston, MD
"Dr. Horn's assessments of our students are timely, comprehensive and greatly help us make decisions about our students' needs. Through the 20 years that I have collaborated with Dr. Horn, she has devoted her time to becoming familiar with our school curriculum and resources, making her recommendations relevant to the academic environment of each individual student."
St. Margaret Middle School, Bel Air, MD
“I have seen and admired the detailed work Katy has done putting together individual education plans for students to succeed. She works closely with the parents and school to ensure her students have the absolute best chance of success,
--Beth C, Parent – Edgewood, MD