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Who We Are

Elliot Weiner

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 DBT skills training groups, and through these groups has helped many people learn to use DBT skills to take control of their thoughts, emotions, and behavior. Elliot is a DBT-Linehan Board of Certification, Certified Clinician™ and is Board Certified in Behavioral & Cognitive Psychology by the American Board of Professional Psychology. He is the co-author of Self-Directed DBT Skills, a user-friendly DBT skills workbook.

In addition to his work in private practice, Elliot has presented his research on trauma and PTSD at international conferences, provided workshops on the treatment of PTSD for other mental health specialists, and supervised psychology graduate students and psychiatry residents in CBT at several doctoral programs and medical schools. 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.

Elliot is a licensed psychologist in NY and CT, and can also provide telehealth in any PSYPACT participating state. In addition to our NYC office, Elliot sees clients at his office in Greenwich, CT.


Steve Weissman, Ph.D.

Clinical Psychologist, Co-Founder

Steve has spent 15 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 more than 10 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.

Jason is a licensed psychologist in NY and CA.

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William Kuo, LCSW, LICSW


Will specializes in using Dialectical Behavior Therapy and Cognitive Behavior Therapy to help clients live more fulfilling and meaningful lives by reducing stress, improving relationships, and achieving professional goals. Will works with adults 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 is a DBT-Linehan Board of Certification, Certified Clinician™ and has a great deal of experience dating back to his work as a research assistant in the Marsha Linehan DBT Clinic (formerly known as the Behavioral Research and Therapy Clinics) 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 DBT skills to help people decrease suffering and create space for making necessary changes. Will has additional experience and training in other evidence-based treatments, including but not limited to DBT-PE, PE, CPT, ERP, and Exposure Therapy. Prior to joining the NYCBT team, Will worked in a variety of settings including hospitals, private practices, and correctional settings across New York and New Jersey. Will is passionate in addressing racism and bias in mental health and the broader health system. Will is also a Clinical Consultant and passionate about technology and integrating it with mental health treatment. Will was born and raised in Seattle, Washington and will always be a Pacific Northwesterner at heart. He enjoys watching basketball and football (go Seahawks!), live music, and staying active.

Will is a Licensed Clinical Social Worker in NY and NJ, and a Licensed Independent Clinical Social Worker in WA.


Ellie Lord, Ph.D.

Staff Psychologist

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 body image dissatisfaction. 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 going to Central Park, traveling, watching movies, and hanging out with her dog, Sophie.


Rachel Friedman, Psy.D.

Staff Psychologist

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, and runs the LGBTQ+ DBT group at NYCBT. Rachel 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!

Rachel is a licensed psychologist in NY and FL (for telehealth only).

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Kyle Haney, Ph.D.

Staff Psychologist

Kyle works with adolescents, young adults, and adults to collaboratively and warmly develop a strong repertoire of strategies and skills in order to build more satisfying, meaningful lives. She specializes in Cognitive-Behavioral Therapy (CBT) and Dialectical Behavior Therapy (DBT) to help her clients address emotion dysregulation, worry, anxiety, mood difficulties, low self-esteem, PTSD, self-harm, and suicidality. Kyle uses research-supported therapies including Prolonged Exposure and Cognitive Processing Therapy as well as DBT PE to treat trauma. She also works with individuals who have been diagnosed on the Autism spectrum. Kyle believes in setting attainable goals and getting directly to the heart of the treatment while also keeping the energy light and humorous.

Kyle earned her Ph.D. in clinical psychology from Hofstra University after graduating from Villanova University summa cum laude with both a B.A. and M.S. in psychology. She completed her postdoctoral fellowship at CBT/DBT Associates and completed her pre-doctoral, APA-accredited, clinical internship at Princeton House Behavioral Health, where she participated in rotations at both the Intensive Outpatient Women’s and General Adult Program. She is a member of the Association for Behavioral and Cognitive Therapies (ABCT) and NYC-CBT.  In addition to her work with clients, she is an adjunct supervisor for doctoral students at Pace University and for psychiatry residents at Mt. Sinai Hospital. During her down time, Kyle loves any opportunity to spend time down the shore (yes, she is from New Jersey) and will talk your ear off about the successes and frustrations of Philly sports teams.

Kyle is a licensed psychologist in NY, NJ, and FL (for telehealth only).


Karen Rothman, Ph.D.

Staff Psychologist

Karen specializes in working with adults with OCD, anxiety disorders, trauma, and depression. She combines empathy and warmth with humor and candor to help her clients move out of their comfort zones to meet their personal and professional goals. Her approach to treatment is rooted in Cognitive-Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), and Motivational Interviewing. Karen also has expertise working with couples and is certified in Integrative Behavioral Couples Therapy (IBCT).  In addition, she provides Emotion-Focused Therapy (EFT), treatment to couples dealing with infidelity, and premarital relationship education.

Karen earned her doctorate in clinical psychology from the University of Miami and completed her internship at the Philadelphia VA, where she worked with veterans with PTSD and couples experiencing relationship distress. Karen supervises graduate students at Yeshiva University’s Ferkauf School of Psychology as well as through an online program for couples. When she is not working, Karen is either at the gym, discovering new restaurants around the city, or planning her next travel adventure.

Karen is a licensed psychologist in NY and FL (for telehealth only).

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Maria Hernandez, Psy.D.

Staff Psychologist

Maria works with adolescents, young adults, and adults who struggle with depression, anxiety, and personality disorders, as well as trauma, self-harm, and suicidality. She also works with clients that have neurodevelopmental disorders, including ADHD and Autism Spectrum Disorder. Maria uses Cognitive-Behavioral Therapy (CBT) and Dialectical Behavior Therapy (DBT) to create a personalized plan for each client. She provides a warm and encouraging environment to help her clients create more satisfying lives and achieve their goals. Maria is passionate about working with culturally diverse clients, particularly those who identify as Latin-American or prefer Spanish-speaking therapists.

Maria earned her doctorate in clinical psychology from Carlos Albizu University in San Juan, Puerto Rico. During her clinical training, she was a part of a comprehensive DBT program where she led Family Connections groups, a program designed for friends and loved ones of people with emotion dysregulation or Borderline Personality Disorder. She completed her pre-doctoral internship at Devereux Advanced Behavioral Health where she treated adolescents and young adults with complex PTSD, personality disorders, self-harm, and emotion dysregulation who were also diagnosed as being on the Autism spectrum. Outside of work, Maria enjoys going to the beach, cooking, playing video games, reading, and playing the violin. 

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Arielle Klopsis, M.A., M.S.

Psychology Extern

Arielle strives to provide a comforting, accepting, and encouraging place to help her clients process their thoughts and feelings and make effective choices. She uses Dialectal Behavior Therapy (DBT) and Acceptance and Commitment Therapy (ACT) in her work with adolescents and adults struggling with anxiety, depression, eating disorders and other disordered eating behaviors, emotion dysregulation, suicidal thoughts and behaviors, self-harm, grief, and life stressors. She is a firm believer that mindfulness, in conjunction with the techniques and skills taught in both DBT and ACT, helps her clients feel more confident in their ability to handle daily challenges and improve their lives.


Arielle is currently completing her doctorate in clinical psychology at Hofstra University. She has worked for the past three years at the Joan and Arnold Saltzman Community Clinic where – as part of both the DBT and ACT teams – she helps adolescents and adults with a range of challenges, including anxiety, depression, suicidal thoughts, and interpersonal and family difficulties. She has also worked in an inpatient setting at New York Presbyterian Hospital with individuals struggling with eating disorders as well as other challenges. Arielle’s research focuses on the effects of mindfulness and acceptance on eating behaviors. In her free time, Arielle enjoys traveling, going to the gym, planning parties and events, and reading.

Steve Weissman
Jason Weingarten
Will Kuo
Ellie Lord
Rachel Friedman
Kyle Haney
Maria Hernandez, Psy.D.
Karen Rothman
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