Carolyn Waldecker, Psy.D. is the Director of Psychological Assessments at North Coast Psychological Services. Dr. Waldecker is a licensed psychologist and certified school psychologist. She received her doctorate in school psychology from St. John’s University and completed a two year post-doctoral training program in clinical neuropsychology under the supervision of Dr. Elkhonon Goldberg. In addition to her work at North Coast Psychological Services, Dr. Waldecker is also currently an Adjunct Assistant Professor at Teachers College - Columbia University, where she supervises graduate students in psychoeducational assessment.
Dr. Waldecker worked as a school psychologist at The Hagedorn Little Village School, Jack Joel Center for Special Children for 11 years. She has also served as the director of the Neurodevelopmental Diagnostic Center at the Hagedorn Little Village School in Seaford, NY, and a clinical neuropsychologist at Allied Professional Partners, PLLC., in Plainview, NY. Dr. Waldecker has held the roles of Adjunct Assistant Professor of Cognitive Assessment and Developmental Psychopathology at Queens College and Adjunct Assistant Professor of School Neuropsychology at St. John's University. Dr. Waldecker is a skilled diagnostician and has expertise in the assessment and diagnosis of neurodevelopmental disorders including learning disabilities, Attention Deficit Hyperactivity Disorder and executive functioning deficits. Dr. Waldecker provides comprehensive psychoeducational, neuropsychological, and autism spectrum diagnostic assessments for children and adolescents.
Dr. Waldecker received the honor of Nassau County School Psychologist of the Year in 2014, and was recognized in 2012 by the American Psychological Association (APA) for her achievements as an early career psychologist. Dr. Waldecker has presented her research on Autism Spectrum Disorder and learning disabilities at numerous national conferences including the American Psychological Association (APA) and the National Association of School Psychologist (NASP). She has also co-authored textbook chapters on learning disabilities in mathematics and the assessment of brain injuries.
You can reach Dr. Waldecker via email at [email protected] or by calling (516) 229-1975 ext 5
Mark D. Terjesen, Ph.D. 
Mark Terjesen, Ph.D. is the Director of Clinical Training and Services at North Coast Psychological Services. He is a Professor of Psychology at St. John’s University in New York, where he has taught at both the undergraduate and graduate levels since 1999. Dr. Terjesen has served as the program director of the School Psychology (Doctorate and Masters) programs and has trained and supervised doctoral students throughout his tenure. He earned his Ph.D. in Clinical and School Psychology from Hofstra University and has studied, published, and presented at a number of national and international conferences on topics that include Cognitive-Behavioral Therapy (CBT), Rational Emotive Behavior Therapy (REBT), and the assessment and treatment of various disorders seen in children, adolescents, and adults. Dr. Terjesen has trained many professionals internationally in school psychology and the use of cognitive behavioral practices with children and families. His most recent publications include Deliberate Practice in Rational Emotive Behavior Therapy (2023), Cognitive Behavioral Therapy in a Global Context (2022) and Rational-Emotive and Cognitive Approaches to Child and Adolescent Mental Health: Theory, Practice, Research, Applications (2020). Dr. Terjesen has served as President of the School Division of the New York State Psychological Association (NYSPA), as the President of the Trainers of School Psychologists (TSP), the largest national training organization for school psychology faculty members, and as the President of the Division 52 (International Psychology) of the American Psychological Association (APA), of which he is also a fellow. Dr. Terjesen has served as an Editorial Board Member for a number of applied professional psychology journals. In 2021, Dr. Terjesen received the honor of the Gil Trachtman Leadership in School Psychology Award by the New York Association of School Psychologists.
Dr. Terjesen completed his post-doctoral experience at the Albert Ellis Institute where he served as a psychotherapist, trainer, and coordinator of child, youth, and family services until he joined the faculty at St. John’s University. Dr. Terjesen is a practicing psychologist specializing in cognitive-behavioral therapy (CBT). CBT focuses on helping clients understand the role that unhealthy thought patterns may play in contributing to maladaptive behaviors and emotions while then developing more effective ways of thinking with the objective of engaging in and experiencing more positive emotions and behaviors.
Dr. Terjesen provides individual, couples, and family counseling to people of all ages and with a wide variety of presenting problems ranging from mood disorders (anxiety, depression), relationship difficulties, stress, anger, and parenting issues.
Dr. Terjesen views counseling as a collaborative process working with clients to develop their own short-term and long-term goals with an accompanying plan to work towards those goals. The individualized focus on goals and strategies to achieve them is considered an essential component of counseling to help clients not only reduce their struggles but also to work towards greater life satisfaction.
You can reach Dr. Terjesen via email at [email protected] or by calling (516) 229-1975 ext 4
Irene Delgado Tseretopoulos, Ph.D. is a licensed psychologist and clinical neuropsychologist. She completed her doctorate in clinical psychology at the University of Miami in Coral Gables, Florida and her post-doctoral training at Harvard Medical School, which included a two-year specialized fellowship in clinical neuropsychology at the Massachusetts General Hospital and the Brigham and Women’s Hospital in Boston, MA.
Dr. Tseretopoulos has experience in clinical care, research, training, and supervision of graduate-level students. For over 5 years she served as the staff neuropsychologist for the Brain Trauma Foundation (BTF), a non-profit research organization that develops evidence-based guidelines for the detection and management of traumatic brain injuries. During her tenure at BTF, she worked with the U.S. Department of Defense, Stanford University School of Medicine, Weill Cornell Medical College, and New York Presbyterian Hospital to coordinate one of the largest multi-site study of its kind, examining the effectiveness of novel eye-tracking technology to detect and characterize the effects of mild traumatic brain injury on cognitive abilities in civilians and the military. In addition, Dr. Tseretopoulos served as director and clinical supervisor for the BTF Neurotrauma Fellowship Program.
Dr. Tseretopoulos has co-authored a number of publications and presentations at national and international professional conferences on topics of special interest, including the late effects of pediatric cancer treatments, adaptive and neurobehavioral functioning in children with chronic illness, visual tracking and neurocognitive functioning in adults with concussion, and deficit profiles in adults with Attention Deficit Hyperactivity Disorder. She is an active member of several professional associations, including the American Academy of Clinical Neuropsychology, the Hispanic Neuropsychological Society, and the American Psychological Association (Division 40- Clinical Neuropsychology).
Having trained and practiced as a clinician and diagnostician in multidisciplinary, academic medical centers, Dr. Tseretopoulos offers expertise in tertiary care (specialized consultation services), particularly neuropsychological assessment of patients with medically complex conditions that can affect cognitive, neurobehavioral, and emotional functioning, such as epilepsy, brain tumors, stroke, HIV, multiple sclerosis, Parkinson ’s disease, Alzheimer’s disease, and other neurodegenerative diseases. Additionally, as a native Spanish-speaker, Dr. Tseretopoulos is a fully bilingual clinician with particular interest in the assessment of Spanish-speaking individuals. Dr. Tseretopoulos provides neuropsychological evaluations to children and adults.
You can reach Dr. Tseretopoulos via email at [email protected] or by calling (516) 229-1975 ext 6
Adam McGuire, Psy.D. is a licensed psychologist and certified school psychologist. He received his doctorate in school psychology from St. John’s University. In addition to his work at North Coast Psychological Services, Dr. McGuire is also the Director of Psychological Services The Hagedorn Little Village School, Jack Joel Center for Special Children, where he provides a variety of assessment, counseling, and behavior intervention services for children with developmental disabilities.
Dr. McGuire provides individual and group therapy to individuals of all ages with a variety of presenting problems utilizing the evidence-based practices of Cognitive Behavioral Therapy (CBT). He also provides social skills training for children and adolescents as well as parenting support services. Dr. McGuire specializes in working with children and adolescents with autism spectrum disorder, anxiety, and other behavioral challenges as well as with their family members. He also has a strong interest and background in psycho-educational and diagnostic assessment, including the identification of autism spectrum disorder.
Dr. McGuire strives to offer clients a supportive, non-judgmental, and collaborative environment to identify short- and long-term goals and develop individualized, evidence-based strategies to meet these goals successfully.
Dr. McGuire is a member of the American Psychological Association, the New York Association of School Psychologists, and the National Association of School Psychologists.
You can reach Dr. McGuire via e-mail at [email protected] or by calling (516) 229-1975 ext 3
Madalina Yellico, Ph.D. is a clinical psychologist trained in evidence-based practices, including Cognitive-Behavior Therapy (CBT), Dialectical Behavior Therapy (DBT), and Parent-Child Interaction Therapy (PCIT). Dr. Yellico completed her doctorate in clinical psychology at St. John's University with an expertise in the study of anger, rumination and impulsivity in relationships. Dr. Yellico specializes in working with children, adolescents, and their families, frequently with a parent-training component. She has worked in a variety of settings including inpatient units and outpatient centers throughout the New York area, including Sagamore Children’s Psychiatric Center, Andrus Children’s Center, and NYU Lutheran Family Health Center. Dr. Yellico furthered her training through a postdoctoral fellowship with Dr. Jill Rathus and Dr. Ruth DeRosa at Cognitive Behavioral Associates in Great Neck, NY. Though her experiences in the mental health field working with individuals from varied background, Dr. Yellico has come to understand firsthand the importance of hope. Her passion for encouraging personal growth and psychological health in others has also inspired a devotion to fostering hope on a societal and individual level.
You can reach Dr. Yellico via email at [email protected] or by calling (516) 229-1975 ext 7
Michelle Kirkland, Psy.D.
Michelle Kirkland, Psy.D., is a NYS licensed psychologist and certified school psychologist. Dr. Kirkland earned her master’s and doctoral degrees in school psychology from St. John’s University.
Dr. Kirkland has received extensive training in Cognitive Behavioral Therapy (CBT), Behavior Therapy (BT), Dialectical Behavior Therapy (DBT), Parent-Child Interaction Therapy (PCIT), and Parent Training (PT) for individuals of all ages from St. John’s University, Northwell Health-Zucker Hillside Hospital, and NYU Langone-Child Study Center. She is a trauma-informed clinician working towards certification as a national trauma focused cognitive behavioral therapist. Dr. Kirkland specializes in exposure-and-response-prevention (ERP) for anxiety and anxiety-related disorders, as well as in behavior activation therapies targeting depressive and mood disorders. Dr. Kirkland also has years of training as a registered behavior technician (RBT) and specializes in the principles of applied behavior analysis (ABA). Dr. Kirkland is skilled in conducting individualized therapy for those with co-morbidities like autism, intellectual disability, communication disorders, and ADHD and other executive functioning weaknesses.
In addition to her work at North Coast Psychological Services, Dr. Kirkland works as a school psychologist in Nassau County, NY. With this background, Dr. Kirkland’s therapeutic philosophy regards comprehensive and holistic treatment, with the goal of creating skills that are generalizable to home, school, social, and community settings. Dr. Kirkland additionally emphasizes the importance of familial collaboration throughout treatment, and enjoys consulting with multiple stakeholders (e.g., parents, teachers, spouses, doctors, etc.) to ensure that the client receives the most optimized form of treatment. Using in-depth knowledge of an individual’s cognitive, behavioral, and emotional strengths and weaknesses, Dr. Kirkland has thorough training in the evaluation and diagnosis of learning disabilities, attention deficit/hyperactivity disorders, and language and communication disorders.
You can reach Dr. Kirkland via email at [email protected] or by calling (516) 229-1975 ext. 8.
Thomas Kelly, Psy.D.
Thomas Kelly, Psy.D. is a postdoctoral fellow at North Coast Psychological Services under the supervision of Dr. Mark Terjesen. Dr. Kelly earned his doctorate in psychology at St. John's University and is currently a certified school psychologist working toward fulfilling NYS requirements for licensure as a psychologist. Dr. Kelly specializes in providing therapy and psychological/educational assessment for children, adolescents and young adults utilizing research and evidence-based methods.
Dr. Kelly has extensive experience with Cognitive Behavioral Therapies (CBTs) such as Rational Emotive Behavior Therapy (REBT), exposure therapy, and behavioral parent training (BPT). He utilizes these interventions to address a wide range of mental health difficulties such as anxiety, anger, depression, and behavioral difficulties in individuals of all ages. Throughout therapy, Dr. Kelly strives to establish a strong therapeutic rapport and alliance, working with his clients to achieve their individual treatment goals. He has expertise in the provision of psychological and educational evaluations. Dr. Kelly provides assessments for learning differences and difficulties common in school-age children, such as Specific Learning Disabilities and Attention Deficit Hyperactivity Disorders. After completing comprehensive evaluations, Dr. Kelly tailors research-based recommendations for implementation within the school and home settings that are feasible and practical.
Dr. Kelly has provided individual therapy, group therapy, and assessments in a number of settings including schools, private practices, and a community clinic. In addition to his work at North Coast Psychological Services, he also serves as a school psychologist in a public school district. Throughout Dr. Kelly's career, he has been involved in a number of professional organizations such as the Association for Behavioral and Cognitive Therapies (ABCT), and has presented original research at professional conferences in the areas of CBT, cross cultural psychology, and cognitive assessment.
You can reach Dr. Kelly via email at [email protected] or by calling (516) 229-1975 ext 9
Allison Murray-Cali, Psy.D.
Allison Murray-Cali, Psy.D. is a postdoctoral fellow at North Coast Psychological Services under the supervision of Dr. Mark Terjesen. Dr. Cali received her undergraduate degree in Psychology from the City University of New York, Queens College, and her Masters and Doctoral degrees in School Psychology from St. John's University. She is a New York State certified School Psychologist and is currently working towards fulfilling her requirements for licensure as a psychologist.
Dr. Cali specializes in working with children and adolescents, alongside their parents to address challenges with emotion regulation, behavioral functioning, and academic learning. The focus of her practice includes treating attention-deficit/hyperactivity disorder (ADHD), anxiety disorders, depressive disorders, oppositional defiance, autism spectrum disorders (ASD) and school related challenges. Dr. Cali understands that these challenges are stressful for families and can interfere with many aspects of successful day to day functioning, such as school performance, relationships, self-esteem, and overall life satisfaction. Therefore, using evidenced based practices such as cognitive behavioral therapy (CBT) and behavioral parent training (BPT), Dr. Cali works to help her clients reach their individual treatment goals. In addition to providing therapeutic interventions, Dr. Cali provides assessments for learning difficulties common in school-age children, including as Specific Learning Disabilities and Attention Deficit Hyperactivity Disorders.
In addition to her work at North Coast Psychological Services, Dr. Cali works as a Long Island school psychologist. Dr. Cali has served as an adjunct instructor at St. John’s University where she taught undergraduate courses in Intro to Psychology and Adolescent Development. She was awarded the Ted Bernstein Award by the New York Association of School Psychologists in November 2019.
You can reach Dr. Cali via email at [email protected] or by calling (516) 229-1975 ext 1.
Kathleen Everson, Psy.D.
Kathleen Everson, Psy.D. is a postdoctoral fellow at North Coast Psychological Services under the supervision of Dr. Mark Terjesen. Dr. Everson earned her masters and doctoral degrees in School Psychology at St. John's University. She is a certified school psychologist in New York and New Jersey and is currently working towards fulfilling her requirements for licensure as a psychologist in NYS.
Dr. Everson has received extensive training in providing evidence-based interventions to children, adolescents and adults presenting with a variety of mental health concerns such as anxiety disorders, OCD, PTSD, depressive disorders, and performance anxiety. Dr. Everson is trained in Cognitive Behavioral Therapy (CBT), Exposure and Response Prevention therapy (ERP), Rational Emotive Behavior Therapy (REBT), Cognitive Processing Therapy (CPT) and Acceptance and Commitment Therapy (ACT) for individuals of all ages. Throughout therapy, Dr. Everson focuses on building a strong, collaborative relationship with each client to assist them in identifying and developing individualized goals.
Dr. Everson has provided individual therapy, group therapy and assessments in a number of settings including schools, private practices and intensive outpatient programs. She has also been involved in a number of professional organizations such as American Psychological Association (APA) and Association for Applied Sport Psychology (AASP) and has presented and published original research in the areas of Sports Psychology and CBT/REBT.
You can reach Dr. Everson via email at [email protected] or by calling (516) 229-1975 ext 2..