Who We Are


Elliot Weiner, Ph.D. ABPP

Clinical Psychologist, Co-Founder

Elliot utilizes cognitive behavioral therapy and dialectical behavior therapy to address a wide range of problems and specializes in the treatment of posttraumatic stress disorder as well as other issues related to trauma. Elliot developed and runs our Trauma and PTSD program, which offers personalized, effective approaches to help people learn to live with and overcome the impact of traumatic experiences on their lives. He also leads our DBT skills training groups as well as our DBT graduate group, and through these groups has helped many people learn to use DBT skills to take control of their thoughts, emotions, and behavior. In addition to his work in private practice Elliot has presented his research on trauma and PTSD at international conferences, provided trainings on the treatment of PTSD for other mental health specialists, and supervised psychiatry residents in cognitive behavioral therapy at the NYU School of Medicine. Elliot was born and raised in the Bronx and after staying in New York to complete his Ph.D. at Fordham University, went as far away as he could to complete his residency at the Honolulu VA Medical Center and the National Center for PTSD. He swears that this was a real program and not just something he made up so he could move to Hawaii.


Steve Weissman, Ph.D.

Clinical Psychologist, Co-Founder

Steve has spent more than 10 years in private practice working with people struggling to improve their lives by reclaiming the hours spent worrying, obsessing, repeating things over and over, or feeling stuck and demoralized by how hard everything seems to be.  He is an expert in the treatment of Obsessive-Compulsive Disorder (OCD), related conditions such as Body Dysmorphic Disorder (BDD) and Hoarding Disorder, social anxiety, phobias, panic attacks, and other forms of anxiety.  He is also an experienced DBT therapist, integrating the mindfulness and emotion regulation aspects of DBT with effective approaches to OCD and anxiety.  He has helped numerous adults, adolescents, and families reach their goals through individual therapy, couples and family work, and support for parents.  Due to the nature of this work, Steve may meet with clients in their homes or travel with them outside of the office.


Steve completed his undergraduate degree at Cornell University, his doctorate at St. John's University, and his post-doctoral fellowship in clinical child psychology at Long Island Jewish Medical Center.  He has also maintained a specialized private practice in Rockville Centre, NY for the past 7 years.  In his many roles – including adjunct faculty appointments at The New School and St. John’s University – Steve has taught and supervised numerous psychologists-in-training, conducted research on OCD and related disorders, and given several presentations and workshops for professionals.


Jason Weingarten, Psy.D.

Clinical Psychologist, Co-Founder

Jason utilizes behavioral interventions and treatments when working with adults, adolescents and their parents, families, and couples, often teaching this material in an interactive group format. He currently works in both New York City and San Diego, CA, where he sees clients at the DBT Center of San Diego, and provides telehealth services and executive coaching to individuals and companies domestically and around the world. Jason was an Adjunct Clinical Supervisor in both Columbia University’s and Yeshiva University’s psychology graduate programs, and in this capacity still provides supervision and training to other therapists and psychology graduate students. Prior to co-founding NYCBT, Jason spent the better part of a decade working at a private group practice in midtown Manhattan specializing in CBT and DBT.  He completed his doctorate at Yeshiva University’s Ferkauf School of Psychology, where his research looked at psychological resilience and factors that contribute to overall well-being following traumatic events (focusing on Holocaust Survivors), and completed his clinical internship at the Manhattan VA Hospital. Jason is also the Director of Corporate Solutions for wayForward, a Health and Wellness app-based program aimed at reducing anxiety and stress worldwide. Jason enjoys watching and playing most sports - following the NY Giants, Rangers, Knicks, and Mets - despite sharing his time on both coasts. He spent his first 25 summers at a summer camp in the Berkshires and still appreciates hiking, fishing, campfires, and a good prank. He also loves music - and reading Tom Robbins novels.


Ayla Sitt, Psy.D.

Senior Staff Psychologist

Ayla is a licensed clinical psychologist who specializes in using cognitive-behavioral therapy to help individuals struggling with anxiety disorders, depression, OCD, low self-esteem, and perinatal issues.  She works with people across the life span and specializes in helping people effectively manage and cope with difficult life transitions.  Additionally, Ayla works in our comprehensive DBT program providing individual DBT and phone coaching as well as co-leading one of our DBT skills training groups.  Ayla believes in working collaboratively with her clients to help them develop and work towards their goals, with a focus on building a more satisfying and rewarding life. 

Ayla received her doctorate from the Ferkauf Graduate School of Psychology at Yeshiva University, where she also completed the specialized geropsychology program.  She completed her pre-doctoral  internship at the New Jersey VA Healthcare System with a focus on treating veterans coping with a variety of difficulties including posttraumatic stress disorder, depression, and anxiety.  In addition to her work as a therapist Ayla enjoys educating others about psychology and mental health, and serves as adjunct professor at Baruch College.

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William Kuo, LCSW


Will specializes in using Dialectical Behavior Therapy (DBT) and Cognitive Behavior Therapy (CBT) to help clients live more fulfilling and meaningful lives by reducing stress, improving relationships, and achieving professional goals. Will works with adults, adolescents, and couples in a warm and collaborative fashion, using personalized, research-supported methods to help clients identify and change unhealthy or unhelpful thought patterns and behaviors. He has helped people struggling with anxiety, depression, relationship conflict, self-harm, suicidal thoughts and behaviors, OCD, and other emotional and behavioral difficulties. Will’s lived experience as a first generation East Asian American helps him better understand clients from a range of diverse backgrounds.


Will has a great deal of experience dating back to his work as a research assistant in Marsha Linehan’s laboratory at the University of Washington. He received his graduate training at the Columbia University School of Social Work in the DBT Training Program and Lab, where he honed his ability integrating mindfulness and acceptance skills to help people decrease suffering and create space for making necessary changes. Prior to joining the NYCBT team, Will worked in a variety of hospitals and private practices across New York and New Jersey. Currently, Will also works in the Psychiatry Department at Mount Sinai St. Luke’s and is a Guiding Coalition Change Leader in the Icahn School of Medicine at Mount Sinai to address racism and bias in the medical school and broader health system. Will was born and raised in Seattle, Washington and although he now lives in New York, he will always be a Pacific Northwesterner at heart. He enjoys watching basketball and football (go Seahawks!), live music, and escaping the city to go hiking.

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Kiki Fehling, Ph.D.

Staff Psychologist

Kiki specializes in helping people create meaningful lives through Dialectical Behavior Therapy and Cognitive Behavior Therapy. She works with her clients to collaboratively identify goals aimed at reducing emotional suffering and cultivating power, resilience, and joy. Kiki has helped clients struggling with depression, anxiety, borderline personality disorder, posttraumatic stress disorder, bipolar disorder, and more. She has expertise working with members of the LGBTQ+ community, people recovering from significant traumas and health or medical issues, and people who engage in self-harm. 


Kiki received her Ph.D. in clinical psychology from Rutgers University and completed her clinical internship at Montefiore Medical Center. She has received intensive training in DBT, CBT, and evidence-based trauma treatments. Since her undergraduate years at Yale University, Kiki has performed research on LGBTQ mental health, emotion, and suicide and self-injury. For her research, she has received several awards, including the Malyon-Smith Scholarship (the Society for the Psychology of Sexual Orientation and Gender Diversity, the American Psychological Association), the Diversity Grant of the Psychological Science Research Grant (APAGS), and the Solomon Research Fellowship in LGBT Studies (Yale University).  When she isn't being a therapist, Kiki likes to travel, go birding, practice yoga and meditation, watch TV, and explore the city.


Ellie Lord, Ph.D.

Clinical Psychology Fellow

Ellie is passionate about helping people reduce suffering and develop meaningful lives that are filled with joy and love through the use of Cognitive Behavioral Therapy and Dialectical Behavior Therapy.  She works in partnership with her clients to help them identify and achieve their goals by drawing on their unique individual strengths, while addressing their challenges with compassion.  Ellie uses evidence-based treatments to work with individuals facing a range of problems, including anxiety, depression, personality disorders, and mood disorders.  She has a special interest in working with individuals who experience suicidal thoughts and engage in self-harm. 


Ellie earned her Ph.D. in Clinical Psychology  from the New School for Social Research.  She completed her clinical internship at NYU/Bellevue Hospital Center, where she worked with adults, adolescents, and children.  She also trained at Mount Sinai’s Center for Intensive Treatment of Personality Disorders, the Brooklyn VA Hospital, and Mount Sinai Beth Israel.  Ellie’s graduate research focused on attachment between caregivers and their children.  She has received intensive training in DBT and CBT.  During her free time, Ellie loves spending time outdoors, watching movies, cooking, and hanging out with her puppy, Sophie.


Rachel Friedman, Psy.D.

Clinical Psychology Fellow

Rachel is passionate about helping people build meaningful connections and fulfilling lives using the frameworks of Dialectical Behavior Therapy and Cognitive Behavioral Therapy. She collaborates with her clients to decrease their emotional suffering, enhance their relationships, and make meaningful changes in their lives. Rachel works with clients struggling with anxiety, depression, difficulty managing emotions, relationship dilemmas, trauma, and experiences of significant invalidation. She has special interests in supporting individuals exploring their LGBTQ+ identities as well as those struggling with self-harm and suicidality. She approaches each of her clients’ unique circumstances with compassion, care, and an open mind.


Rachel received her Psy.D. in clinical psychology from La Salle University in Philadelphia. She completed her clinical internship at Penn Medicine Princeton House, where she worked in both the Women’s DBT program and the Men’s Intensive Outpatient Trauma Program. During her time there, Rachel developed a Safe Space group therapy program to provide support to individuals within the LGBTQ+ community and better serve those identifying as non-binary. Rachel’s research interests include understanding the connections between shame, self-disgust, impulsivity, and self-harm. In her free time, Rachel is an adventurous cook and pop culture enthusiast who enjoys trying new recipes, skiing, and spending time at the Jersey Shore. Rachel is also happy to provide cheesesteak recommendations to anyone travelling to Philadelphia!

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Jacomina Gerbrandij, M.S.

Psychology Extern

Jacomina works with a wide range of issues, including anxiety, depression, posttraumatic stress disorder, borderline personality disorder, and relationship problems using Cognitive Behavioral Therapy and Dialectical Behavior Therapy. She believes in creating a strong collaborative relationship with her clients, and helps them reach their full potential by guiding them in identifying their strengths as well as recognizing areas for growth. Jacomina grew up in both Bolivia and the Netherlands, and thanks to this international background she works flexibly and appreciates the challenges her clients face from a variety of different perspectives. She is comfortable providing therapy in both English and Spanish, as well as Dutch, for anyone interested!

Jacomina is currently completing her doctorate in Clinical Psychology at Fordham University. She earned her B.S. degree in Clinical Psychology at Utrecht University and her M.S. degree in Forensic Psychology at Maastricht University, both in the Netherlands. Throughout her training, she has worked with and evaluated children and adults of all ages in a variety of settings including Fordham's Counseling and Psychological Services Center and Rikers Island Correctional Facility. She also specializes in conducting forensic evaluations, having recently completed an internship at Fordham's law clinic.