Joshua Rosenthal, PsyD – Founder & Director

Dr. Rosenthal is a New York & New Jersey licensed psychologist who specializes in the clinical treatment of children, young adults and families. As the managing partner for Manhattan Psychology Group, PC (MPG), he maintains three offices on the UES and UWS in Manhattan and serves as the resident psychologist for a multi-physician pediatric group. MPG provides individual cognitive-behavioral therapy, Parent Child Interaction Therapy (PCIT), behavioral parent training, family therapy, and social skills training. Dr. Rosenthal has given grand rounds on Asperger’s Syndrome at Woodhull Medical Center and Lenox Hill Hospital, and written on the behavioral treatment of ADHD. He also created the Electronic Daily Report Card (eDRC) to improve social and academic behaviors at school.

Ariel Kornblum, PsyD, BCBA – Assistant Director (10-12 Group)

Dr. Kornblum is a New York State licensed psychologist and Board Certified Behavior Analyst who received her undergraduate degree in Psychology from The George Washington University, and completed her doctoral degree at St. John’s University. Dr. Kornblum has a wide range of experience working with children and their families in schools, homes and in private practice. Dr. Kornblum has extensive training and experience providing behavioral therapies, including applied behavior analysis, cognitive behavioral therapy, social skills training, and parent management training. She utilizes a collaborative approach to the treatment of a wide range of emotional and behavioral disorders.

Lauren Feiden, PsyD – Assistant Director (8-9 Group)

Dr. Feiden is a New York State licensed psychologist who received her undergraduate degree in Psychology from McGill University, and went on to receive a graduate degree in Clinical Psychology with a specialization in children and adolescents from the Chicago School of Professional Psychology. Dr. Feiden has extensive experience working with children, adolescents, and families with a wide range of emotional and behavioral disorders and providing treatment in a number of different settings including community mental health centers, partial hospitalization programs, and in private practice. Dr Feiden has training and experience in cognitive behavioral therapy, Parent-Child Interaction Therapy (PCIT), play therapy, and parent training.

Shuni Zerykier, PsyD – Assistant Director (5-7 Group)

Dr. Zerykier is a New York State licensed psychologist who received her B.A. in Psychology from Rutgers University and went on to earn her doctoral degree in Clinical Psychology with a specialization in health psychology from the Massachusetts School of Professional Psychology. Dr. Zerykier has experience providing social skills training, play therapy, cognitive behavioral treatment and parent training with children, adolescents and families. She also has experience leading social skills groups in both inpatient and outpatient settings and has received training in behavioral parent management training (PMT).

Natasha Djuravcevic, MSEd – Special Education Teacher (10-12 Group)

Natasha received her Bachelor’s degree from Iona College and her Master’s degree from Manhattanville College. Natasha currently holds her New York State Certification in both Childhood and Special Education in grades 1-6. She has spent the last four years in a New York City public school co-teaching in an ICT 5th grade class. Working in an ICT class, Natasha specializes in adapting the Common Core Curriculum to the needs of all learners and finds entry points for students with dyslexia, learning disabilities, speech and language delays, students on the ASD spectrum, behavior and emotional impairments as well as those with executive functioning disorder. Natasha’s primary focus is to teach students the appropriate skills and tools they will need to become more independent and successful life-long learners.

Charlotte Dennis, MSEd – Special Education Teacher (8-9 Group)

Charlotte completed her Master’s Degree in Childhood and Special Education from Manhattanville College. She received her Bachelor’s Degree from the School of Education at Boston College. Charlotte currently holds New York State Certifications in Childhood and Special Education for students in grades 1 through 6. After completing her degrees, Charlotte taught and coached in Westchester at a private middle and high school for girls. She then worked at a public elementary school in New York City for five years where she has taught both Self-Contained and ICT classes for students in grades 1 through 5. Charlotte currently teaches at a private school for boys on the upper east side, working with students in grades pre-k through third. Charlotte is knowledgeable in the Common Core State Standards and has taught using many different multi-modal english language arts and math programs. After school, Charlotte tutors students in need of academic support or enrichment as well as to prepare them for the NY State ELA and Math Tests.

Elizabeth Lynch, MSEd – Special Education Teacher (5-7 Group)

Elizabeth received her Bachelor degree from Manhattan College and her Master’s degree from Mercy College. Elizabeth currently holds her New York State Certification in both Childhood and Special Education from birth through twelfth grades. She has spent the last 14 years in New York City public schools co-teaching ICT classes in various grades. Elizabeth has concentrated in Early Childhood development and has developed and executed Common Core aligned lessons in all academic areas. She is proficient in Teacher’s College Reading and Writing Curriculum and Balanced Literacy.

Program Staff

Our team of assistant directors, special education teachers, master’s level professionals, graduate students and college counselors have specialized training in ADHD, Autism Spectrum Disorders, Learning Disabilities, and Behavior Management. All staff and counselors participate in a week-long intensive training the week before BADP starts.

We're Hiring for 2018!

*View job openings: 2018 counselor ad, 2018 chaperon ad, 2018 nurse ad and 2018 teacher ad


*Counselor applicants must attend a group interview on Sunday, Feb 25th from 10 am - 12 pm at the program location (805 Columbus Ave) in Manhattan. We will not consider your application if you cannot attend in-person. Skype is not acceptable. 

*Application deadline is rolling until all positions are filled.

*Counselors must attend full training 6/25 - 6/29, 9 AM-5 PM.

*You will need to submit your CV/Resume and two letters of recommendation to complete your application.

*Completed W4 form

*Checking and routing numbers for direct deposit payroll.

*You will need to provide a recent (within 6 months of 6/1) medical clearance from a physician before 6/1.

*No calls please

*All job inquiries - Jobs (at) bigappledayprogram (dot) com