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.

Hanni Flaherty, PhD, LCSW-R, CASAC

Position: Founder & Social Work President
Phone: (929) 362-4913
Email: hanni.flaherty@collaborative-people.com
Areas of Work: *Out of Network*, Addiction Counseling, Adult Psychotherapy, Adults (25-64), 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, 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: 5th Avenue, New York, 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

Founder & Social Work President

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

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