Therapy for Thoughtful, High-Achieving Individuals Ready to Take Control of Their Lives

Private, personalized support to help you understand yourself, regulate emotions, and turn past experiences into clarity, strength, and purpose.

You may be successful in your work and respected by others, but still feel stuck internally. Therapy can help you understand your patterns, sharpen your perception, and move forward with greater control and intention.

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Offering Private, One-on-One Psychotherapy Sessions

Pay for psychology services with private pay, flexible spending accounts, health savings accounts, or out-of-network benefits.
We can also help you file your insurance claims.

DR. MATTHEW G. MANDELBAUM, PhD, MSEd, MA

Licensed Psychologist

Over 20 Years Of Experience

I work with highly sensitive, intelligent individuals across 43 states, helping professionals in business, tech, law, healthcare, education, and the arts, as well as emerging adults and university students.

My Mission

To provide compassionate, evidence-based therapy that helps individuals navigate life’s challenges and foster personal growth. I am dedicated to helping my clients overcome emotional barriers, build resilience, and create meaningful, fulfilling lives. Through a personalized approach that integrates Dialectical Behavior Therapy (DBT) and other therapeutic methods, I aim to empower each person to heal from past difficulties and move forward with confidence, clarity, and purpose.

My Vision

To empower individuals to overcome personal challenges and embrace their full potential. By fostering emotional resilience, self-acceptance, and personal growth, I aim to help my clients lead balanced, fulfilling lives. I believe that with the right tools and support, anyone can transform their past struggles into wisdom and strength, creating a path toward lasting well-being and success.

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WHO I AM

I specialize in Dialectical Behavior Therapy (DBT) and trauma-informed care, dedicated to helping highly sensitive, intelligent individuals.

I serve professionals in business, tech, law, healthcare, education, and the arts, as well as emerging adults and university students.

My approach is personalized, empathetic, and designed to empower clients to overcome emotional challenges, build resilience, and lead fulfilling lives.

MY TREATMENT

I integrate Dialectical Behavior Therapy (DBT) with trauma-informed care, offering a personalized path to emotional healing and growth.

I focus on helping clients manage stress, regulate emotions, and build meaningful relationships. With an emphasis on mindfulness and resilience, I tailor each treatment to individual needs, ensuring that clients are empowered to overcome challenges and lead fulfilling, balanced lives.

MISSION STATEMENT

My mission is to guide individuals toward living with greater freedom and authenticity. By using evidence-based therapies like Dialectical Behavior Therapy (DBT) and trauma-informed care, I help clients overcome emotional challenges, cultivate mindfulness, and build stronger relationships.

Personalized and compassionate, supporting you in your journey toward personal growth, clarity, and fulfillment every step of the way.

SKILLS YOU WILL DEVELOP

Resilience
Social Growth
Identity Development
Self-Determination
Problem Solving
Stress Management
Emotion Regulation

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WHERE I WORK WITH CLIENTS

I provide IN PERSON services at my office in Darien, Connecticut.

I provide TELEPSYCHOLOGY SERVICES in New York & Florida.

I provide Telepsychology Services in all of the BLUE States you see below, as a member of PsyPact.

WHAT MY CLIENTS SAY

{Working with Dr. Mandelbaum over the last three years has been profoundly transformative and deeply illuminating. He has helped me untangle relational patterns I once believed were simply “who I am,” and replace them with ways of being that feel steadier, more boundaried, and more self-respecting. The shift in how I inhabit my life, less reactive, less afraid, more intentional, has been both subtle and profound. What has surprised me most is that this work hasn’t made me smaller or more restrained; it has made me freer, and far more joyful.

-AV

{

Let me express my gratitude for the support and guidance Dr. M has provided me throughout our sessions. His expertise has been invaluable to my personal growth and well-being. Over the past year, I have made significant progress in managing my mental health and Dr. M has helped me develop effective coping strategies. As a result, I feel more stable and confident in handling the challenges that arise. I believe that the progress I have made is a testament to his expertise and guidance. I am incredibly grateful for the tools and insights Dr. Mandelbaum has provided me.

- AC

{

Since working with Dr. Mandelbaum, I've seen so much improvement in myself. My work with him has been key in building an emotionally sustainable lifestyle rich with healthy relationships, especially the new relationship I've been able to build with myself.

- AD

{

Dr. Mandelbaum introduced me to Dialectical Behavioral Therapy, and working with him for the past two years has changed my life. Each session he comes prepared with a plan, but first asks me "How can I help you today?" Upon my response, he integrates my current grievances and solutions into the session. He is able to weave the teachings of DBT into the themes of my recovery in a personable, bespoke and introspective manner. Thus making the path forward seem palpable and even walkable!

{

Before working with Dr. Mandelbaum, I didn't think there was a way through the emotions and depression I was dealing with. After years of traditional talk therapy not working, I felt helpless and frustrated.

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When I look back now I can pinpoint in so many ways how Dr. M. helped me become the person that I am today. I feel blessed to have had him in my corner for so long.

- RT

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While I have had other therapists before and the talk was always helpful, something was different with Dr. Mandelbaum. I feel that his unique strategies helped me for the first time become an emotionally aware adult, no longer reliant on others to regulate my emotions. He is able to appropriately use his own life experiences (without oversharing or making it about him) to connect to us (his clients) so that we feel validated and heard. However, he makes sure we don't only stay stuck in being validated, but also have the tools to go out and live our best lives (by our own definition). He doesn't shy away from giving appropriate and warranted life advice, but he leaves room for us to grow and come to our own conclusions. Doing so gave me a newfound confidence, which allowed Dr. Mandelbaum to make good on his promise that he would edit himself out of my life. Thank you, Dr. Mandelbaum!

-RS

{

I struggled with managing work stress, which took me away from the relationships that mattered most to me. I didn’t realize how close I was to losing them. It’s been four months since I last met with Matthew, and I have my life back. I still reference our notes and incorporate the tools he taught me into my daily routines. Dr. Mandelbaum is kind, fair, and incredibly attentive. I appreciated how much thought he put into our sessions and could tell he was thinking about my case between them. He always came prepared with new information, wasn’t afraid to try new approaches, and quickly adjusted when something didn’t resonate. Our time together has afforded me a clearer, happier, more sustainable, and balanced life.

-DS

{Dr. M. helps me love myself so I can love the world.

-RM

{I like working with Dr. Mandelbaum. His words go deep in my heart to help me feel better.

-AR