It’s not about us

We still feel it’s important for you to know who we are and what we do

Meet The Team

We believe it “takes a village” for a community to thrive. Our team took their experiences in education and life and created Collaborative to tackle even the most toughest of challenges.

Please feel free to search for your service, location or insurance provider. You may also book with a provider on their profiles below.

David Díaz, MS, LMHC

Position: Supervisor & Psychotherapist
Phone: (929) 930-5019
Email: david.d@collaborative-people.com
Areas of Work: *Out of Network*, 12- Step Friendly, Adults (25-64), Aetna, Affirming Therapy, Aging Parents, AIDS - HIV, Alcohol Use, Alcoholism, Anger, Anger Management, Anxiety Disorder, Asexual, Asperger's Syndrome, Attachment Disorder, Behavioral Issues / Problems, Betrayal Trauma, BIPOC Mental Health Issues, Bisexual, Body Positivity/Health at every size, Canabis Use disorder, Christian, Chronic Impulsivity, Cigna, Codependency, Cognitive-Behavioral Therapy (CBT) , Complex Trauma, Couples (Relationship Therapy), Cultural Competence, Cultural Diversity Issues, Dating, Depression, Drug Addiction, Drug Use, Early Childhood Trauma, Emerging Adulthood, Emotional Abuse, Emotionally Focused, Emotionally Focused Therapy, English, Existential Anxiety, Existential Crisis or Transition, Family Conflicts / Issues, Family Dynamics / Systems, Family Therapy, Family Therapy, Gay, Gay, Gender Dysphoria, Generalized Anxiety Disorder (GAD), Gottman Method, Grief and Loss, Group Therapy, Individual Therapy, Intergenerational Trauma, Intimate Partner Violence, Jewish, Ketamine assisted therapy, Level 3 Clinician, LGBTQIA+, Loneliness, Major Depressive Disorder (MDD), Male Identifying, Men's Mental Health Issues, Mood Disorder/Mood Swings, Muslim, Narrative Therapy, Non-suicidal Self-Injury, Non-Traditional Romantic Stress, Nonreligious, Open Relationships/Non-Monogomy, Parenting, Physical Abuse Trauma, Psychedelic Integration Therapy, Psychodynamic Therapy, Queer, Queer, Queer-Competent, Race-Related Stress, Racial Justice Framework, Reactive Attachment Disorder (RAD), Self-Harm / Injury, Sex Positive/Kink Friendly, Sex Therapy, Sex Worker Positive, Sexual Abuse, Sexual Dysfunction, Sexual Identity, Social Justice, Spanish, Structural Family Therapy, Suicidal Feelings, Suicidal Ideation, Teenagers/Adolescents (13-17), Trans-Competant, Transgender, Trauma / Trauma Focused, Vegan, Young Adults (18-24)
Location: New York, No-Mad, Tele-Health/Virtual

David’s (he/him) practice incorporates knowledge and techniques from various therapeutic modalities. Fluent in both English and Spanish, David has extensive experience in supporting individuals navigating attachment styles, family conflict/communication styles, trauma work, infidelity, identity issues and issues related to sexuality. Trauma work can incorporate people’ experience with sexual abuse, intimate partner violence, and intergenerational and racial trauma.
He specializes in working with individuals within the Queer and LGBTQIA+ community, offering a supportive and affirming environment. David’s therapeutic approach is rooted in narrative therapy, Emotionally Focused Therapy and evidenced-based practices like CBT and DBT. David draws from various interventions such as experiential therapy, family systems, Gottman’s Method, psychodynamic and structural family therapy.

He aspires to undergo training in EMDR and offer Ketamine-Assisted Therapy. Over the last several years, David’s couples counseling experience has involved many different themes such as infidelity, coparenting, Ethical Non-Monogamy (ENM), Poly Relationships, Erectile Dysfunction Disorder (ED), supporting families with life transitions, improving communication skills, mixed families and more.

In his leisure time, they enjoy biking to various restaurants with friends, hosting dinners and gatherings, engaging in painting or pottery, dancing in nightlife scenes, and traveling to new countries. David has a preference for sunny weather and delights in lounging on grassy areas, beaches, and spending time on the floor of living rooms with friends. They have aspirations to learn woodworking, master swimming against currents, surf, and enhance their dance choreography skills.

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David Díaz, MS, LMHC

Supervisor & Psychotherapist

David’s (he/him) practice incorporates knowledge and techniques from various therapeutic...

Hanni Flaherty, PhD, LCSW-R, CASAC-M

Position: Founder & Social Work President
Phone: (929) 362-4913
Email: hanni.f@collaborative-people.com
Areas of Work: *Out of Network*, Addiction Counseling, Addiction Therapy, Adult Psychotherapy, Adults (25-64), Aetna, Afflictions, Anxiety Disorder, Attachment Theory, Attachment-Based Family therapy (ABFT), Behavior Modification, Behavioral Therapy, Bereavement / Grief Counseling, Burnout, Career-Related Stress, Child and Parent Interaction Therapy, Cigna, Client Centered Therapy/Rogerian Therapy, Cognitive Behavioral Therapy for Psychosis (CBT), Coping Mechanism Development, Costs/Insurance, Couples (Relationship Therapy), Couples Conflict Resolution, COVID-19 Stress, Crisis Intervention, Culturally Sensitive, Depression, Dialectical Behavioral Therapy (DBT), Drug Use, Dual Diagnosis, Family, Family Conflicts / Issues, Family Dynamics / Systems, Family Systems, Family Therapy, Family Therapy, Female Identifying, Founders Level, Group Therapy, Group Therapy, Harm Reduction Therapy, Humanistic Therapy, Individual Therapy, Integrative Psychotherapy, Internal Family systems (IFS), Interpersonal, Jewish, LGBT Care, LGBTQIA+, Light Assisted Therapy, Male Identifying, Mental Health Consultation, Mentalization Based Treatment, Mentalization Based Treatment for Adolecents (MBT-A), Mid-Life Crisis, Mood Disorder/Mood Swings, Motivational Enhancement Therapy (MET), Motivational Interviewing (MI), Multicultural Therapy, Narcissistic Personality, Non-Binary, Non-suicidal Self-Injury, Non-Traditional Romantic Stress, Open Relationships/Non-Monogomy, Parent-Child Interaction (PCIT) Person-Centered, Parenting, Peer Relationships, Person Centered (Rogerian), Positive Psychology, Post-Traumatic Stress Disorder (PTSD) Counseling, Pre-Move In Couples Counseling, Pregnancy-Related Stress, Premarital / Marital, Premarital Conflict Resolution, Psychoanalytic and Psychodynamic Therapy, Quarter-Life Crisis, Queer-Competent, Racial Justice Framework, Relapse Prevention Therapy, Safety Planning, Schema Therapy, Self Esteem, Self-Harm / Injury, Sex Worker Positive, Social Anxiety, Solution-Focused Brief Therapy (SFBT), Strength-Based Therapy, Stress Management, Structural Family Therapy, Teaching, Teenagers/Adolescents (13-17), Trans-Competant, Transitioning, Trauma / Trauma Focused, Trauma Therapy, Trauma-Focused Cognitive Behavioral Therapy (TF-CBT), Veterans, Women's Issues / Obstacles, Young Adults (18-24)
Location: New York, No-Mad, Tele-Health/Virtual

Hanni (She/Her) is a New York City-based Clinical Social Worker specializing in adolescents, young adults, and families. Over the past 10 years, she has worked with clients who struggle with a wide range of issues. Her areas of expertise include treating adolescents and young adults with family conflict, substance use, high-risk behaviors, self-harming behaviors, anxiety, depression, mood disorders, personality disorders, trauma, bullying, gender, and sexuality struggles.

Her practice uses a Cognitive Behavioral Treatment approach that takes into consideration each person’s strength and experience. She has a Ph.D. in clinical social work, an LCSW-R, and a CASAC. She is also trained in Trauma-Focused Cognitive Behavioral Therapy, Motivational Interviewing, and Family Structure Therapy. In addition, she is a Certified Addiction and Substance Abuse Counselor (CASAC) and New York State DUI evaluator.

Her treatment style encompasses open and honest communication to help clients achieve their goals through short-term treatment, long-term treatment, family therapy, and group treatment. Through the development of a strong therapeutic alliance, they work together to develop effective coping skills. In treatment, she strives to create a safe, understanding, and collaborative atmosphere where her clients can share their emotions and explore their struggles. They all have the ability to overcome obstacles and achieve their goals. Therapy should be a helpful force in achieving life goals and overcoming life struggles.


Hanni Flaherty, PhD, LCSW-R, CASAC-M

Founder & Social Work President

Hanni (She/Her) is a New York City-based Clinical Social Worker specializing...

Kyle McEvoy, MS, LPC, LMHC, CCMHC, NCC

Position: Founder & Therapy President
Phone: (929) 227-6289
Email: kyle.m@collaborative-people.com
Areas of Work: *Out of Network*, Abstinence Based Psychotherapy, Acceptance Commitment Therapy (ACT), Adaptive Mentalization based integrative treatment, Addiction, Addiction Counseling, Adjustment Disorder, Adolescent / Teen Issues, Adolescent Addiction / Substance Use, Adult Psychotherapy, Adults (25-64), Aetna, Affirming Therapy, Anti-Social Personality Disorder (ASPD), Anxiety Disorder, Anxiety Disorders, Applied Behavioral Analysis, Art Therapy, Artist-Related Stress, Asexual, Attachment Disorder, Attachment Theory, Attachment-Based Family therapy (ABFT), Behavior Modification, Behavioral Issues / Problems, Behavioral Therapy, Bereavement / Grief Counseling, Biofeedback Treatment, Bisexual, Bisexual, Body Dysmorphic Disorder, Body Image, Body Positivity/Health at every size, Borderline Personality Disorder (BPD), Bullying, Burnout, Canabis Use disorder, Career-Related Stress, Caregiver Burnout, Child, Child Abuse Consultation, Child and Parent Interaction Therapy, Child-Parent Psychotherapy (CPP), Childhood Trauma, Children (<13), Christian, Chronic Illness, Chronic Impulsivity, Cigna, Client Centered Therapy/Rogerian Therapy, Clinical Supervision and Licensed Supervisors, Coaching, Coaching, Codependency, Cognitive Processing Therapy (CPT), Cognitive Processing Therapy for PTSD (CPT), Cognitive-Behavioral Therapy (CBT) , Commitment Obstacles, Community Violence, Compassion Fatigue, Compassion Focused, Complex Trauma, Confidence Issues, Coping Mechanism Development, Couples (Relationship Therapy), Couples Conflict Resolution, COVID-19 Stress, Creative Blocks, Crisis Intervention, Crisis Intervention, Cultural Competence, Cultural Diversity Issues, Culturally Sensitive, Dating, Depression, Developmental Disorder, Dialectical, Disruptive, Impulse-Control and Conduct Disorders, Dissociative Disorder, Dream Analysis, Dreams, Drug Addiction, Drug Use, Dual Diagnosis, Dual Diagnosis, Early Childhood Trauma, Eclectic, Emerging Adulthood, Emotion-Focused Family therapy (EFFT), Emotional Abuse, Emotional and Behavioral Disorders, Emotional Disturbance, Emotionally Focused, Emotionally Focused Therapy, English, Ex-Cult Support, Excoriation, Existential Anxiety, Exposure & Response Prevention (ExRP) Therapy, Family, Family Conflicts / Issues, Family Dynamics / Systems, Family Planning, Family Systems, Family Therapy, Family Therapy, Fear of Failure, Female Identifying, Fertility / Infertility, Founders Level, Gaslighting, Gay, Gay, Gender Dysphoria, Generalized Anxiety Disorder (GAD), Grief and Loss, Group Therapy, Group Therapy, Harassment, Harm Reduction Therapy, Health-Related Concerns, Humanistic Therapy, Hyperactivity Disorder (ADHD), Immigration, Imposter Syndrome, Impulse Control Disorder (ICD), In-Home, Indecision, Individual Therapy, Intergenerational Trauma, Internal Family systems (IFS), Interpersonal, Intervention, Intimate Partner Violence, Intrusive Thoughts, Irrational Fears, Jewish, Learning Disabilities, Lesbian, Lesbian, LGBT Care, LGBTQIA+, Life Coaching, Life Transitions, Life Transitions, Loneliness, Low Self Esteem, Male Identifying, Marijuana Disorder, Masculinity-Related Stress, Medical Trauma, Men's Issues, Men's Mental Health Issues, Mental Health Consultation, Mental Health Problem / Illness, Mentalization Based Treatment, Mentalization Based Treatment for Adolecents (MBT-A), Mentalization Based Treatment for Children (MBT-C), Mentalization Based Treatment for Families (MBT-F), Mid-Life Crisis, Mindful-Based Therapy, Money-Related Stress, Mood Disorder/Mood Swings, Motivational Interviewing (MI), Multicultural Therapy, Multisystemic Therapy (MST), Munchausen Syndrome, Narrative Therapy, Natural Disasters, Non-Binary, Non-suicidal Self-Injury, Non-Traditional Romantic Stress, Nonreligious, Obesity, Obsessive Compulsive Disorder (OCD), Open Relationships/Non-Monogomy, Oppositional Defiant Disorder (ODD), Panic Disorder, Pansexual, Parent-Child Interaction (PCIT) Person-Centered, Parenting, Peer Relationships, Perfectionism, Performance Anxiety, Personality Disorders, Phobias, Physical Abuse, Physical Abuse Trauma, Pica, Play Therapy, Porn Addiction, Positive Psychology, Post Traumatic Stress Disorder (PTSD), Post-Traumatic Stress Disorder (PTSD) Counseling, Postpartum, Postpartum Anxiety, Postpartum Depression, Pre-College Fears, Pregnancy, Pregnancy-Related Stress, Premenstrual Dysphoric Disorder (PMDD), Procrastination, Prolonged Exposure Therapy, Prolonged Grief Disorder (PGD), Psychedelic Integration Therapy, Psychoanalytic, Psychoanalytic and Psychodynamic Therapy, Psychodynamic Therapy, Psychological Trauma, Psychotic Disorder, Psychotic Features, Quarter-Life Crisis, Queer, Queer, Queer-Competent, Questioning, Race-Related Stress, Racial Justice Framework, Racism Issues, Reactive Attachment Disorder (RAD), Recently Moved, Relapse Prevention Therapy, Relational, Relational Therapy, Relationship Struggles / Issues, Romantic Life, Rumination, Safety Planning, School Phobia, Seasonal Affective Disorder (SAD), Self Esteem, Self-Harm / Injury, Self-Reflection, Seniors (65+), Separation Anxiety, Sex Positive/Kink Friendly, Sex Therapy, Sex Trafficing, Sex Worker Positive, Sexual Abuse, Sexual Abuse counseling, Sexual Addiction, Sexual Dysfunction, Sexual Fear, Sexual Identity, Sexuality, Sibling-Related Stress, Sleep Disorder, Sleep Problems, Social Anxiety, Social Anxiety Disorder, Social Justice, Social Life, Social Skills Training (SST), Social Therapy, Solution-Focused Brief Therapy (SFBT), Somatic Symptom Disorder (SSD), Somatic Therapy, Special Needs, Sport/Performance Counseling, Sports Performance, Straight, Strength-Based, Strength-Based Therapy, Stress, Stress Management, Structural Family Therapy, Suicidal Feelings, Suicidal Ideation, Suicidal Tendencies, Teaching, Teen Violence, Teenagers/Adolescents (13-17), Terrorism and Violence, Text-Based and Phone Therapy, Trans-Competant, Transactional Analysis, Transgender, Transitioning, Transitioning, Trauma / Trauma Focused, Trauma Therapy, Trauma-Focused Cognitive Behavioral Therapy (TF-CBT), Traumatic Grief, Trichotillomania/Body-Focused Repetitive Disease, Validation Therapy, Video Game Addiction, Vulnerability, Walk and Talk Therapy or OutdoorTherapy, Women's Health, Worry, Young Adulthood, Young Adults (18-24)
Location: Connecticut, New Jersey, New York, No-Mad, Tele-Health/Virtual

Kyle McEvoy (He/Him) is the Founder and President of Collaborative, a multidisciplinary clinical community focused on establishing effective, evidence-based treatment founded on an adaptive mentalization-based treatment model.

Kyle holds advanced training in mentalization-based (MBT) and adaptive mentalization-based integrative treatment (AMBIT) through the Anna Freud Centre for Children and Families. He specializes in complex attachment and identity-related disorders such as borderline, avoidant, antisocial, dependent, and obsessive-compulsive personalities, along with gender-diverse individuals.

He focuses on understanding the individual to engage in a comprehensive execution of a person’s desires, wants, and needs. Kyle has participated in the client’s long-standing change from maladaptive behaviors, thoughts, and feelings through these scientific approaches. Kyle will implore you to participate in your treatment and discuss the techniques actively. He has helped people struggling with substances, explore individual identity (LGBTQIA+), cope with psychological/cognitive/developmental disorders, accept medical diagnoses, and overcome sexual abuse/intimate partner violence.

In addition to Kyle’s direct clinical work, he is a prominent national speaker, writer, and educator of the mental health community in efforts to deepen provider and patient understandings of mentalization, identity formation, and clinically challenging circumstances. In addition, Kyle continues to bolster his clinical approach through continued education and research of personality development from a psychoanalytic perceptive as a student of the Center for Modern Psychoanalytic Studies.

Kyle believes practical and engaging clinical support has the power to invoke change. Therefore, he goes beyond the typical therapeutic approach when working with you.



Kyle McEvoy, MS, LPC, LMHC, CCMHC, NCC

Founder & Therapy President

Kyle McEvoy (He/Him) is the Founder and President of Collaborative, a...

Now Accepting Cigna/Evernorth and Aetna!

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