
It’s not about us
We still feel its important for you to know who we are and what we do
Meet The Team
We believe its “takes a village” for a community to thrive. Our team took their experiences in education and life and together made 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 Stahler, BS
Duvi (He/Him) is a graduate student in NYU’s Counseling for Mental Health & Wellness program and holds an MBA from NYU Stern. He uses a client-centered, integrative approach to counseling and believes that mental health is the foundation for overall wellbeing.
Duvi is deeply committed to creating a space where clients can be their authentic selves. He brings a lighthearted and approachable energy that helps to create a comfortable and non-judgmental environment for exploration and growth.
In his free time, Duvi enjoys writing plays, playing tennis, and traveling. He draws on his experience in the creative field to approach counseling from a holistic perspective and considers the unique cultural factors that may impact his clients’ mental health.
With his diverse background and skillset, Duvi looks forward to the opportunity to support you on your journey towards better mental health, fulfilling relationships, and a more meaningful life.
David Stahler, BS
Clinical Intern
Duvi (He/Him) is a graduate student in NYU’s Counseling for...
Cristina Shea, MS, LMSW
Cristina (She/Her) is a licensed psychotherapist practicing in New York, with a primary focus on emotional, social, and behavioral challenges faced in early adulthood, adolescence, and childhood. Her client-centered approach is grounded in attachment and cognitive behavioral theories. Cristina is passionate about helping her clients find comfort with everyday thoughts, emotions, and experiences that contribute to living a full life.
Whether coming to her in a time of crisis or beginning therapy to maintain a healthful state of mind, Cristina takes a gentle and holistic stance with each client, developing a treatment plan that is unique to their needs. Her approach caters to varying client needs, including, but not limited to, anxiety disorders, depressive disorders, eating disorders, neurodivergence, trauma, and gender and sexuality struggles and exploration. She is always eager to learn more and is frequently engaging in opportunities to learn and expand her knowledge.
Outside of her practice, Cristina is an adjunct lecturer, a 200-hour registered yoga teacher, and an avid runner.
Cristina received her graduate degree in social work from New York University and her undergraduate degree in psychology from Marymount Manhattan College.
Cristina Shea, MS, LMSW
Senior Psychotherapist
Cristina (She/Her) is a licensed psychotherapist practicing in New York,...
Artur Lebiedzinski, MA, MHC-LP
Artur Lebiedzinski: (He/Him) has been working in the mental health field for several years and holds a Master’s degree in Mental Health Counseling. He has worked with various populations such as those struggling with COVID-19 stress, personality disorders, adjustment disorder, anxiety, depression, body image, relationship issues, and more.
In practice, Artur considers personality, historical context, and the complexities of distress tolerance. His personal experience growing up in several countries has shaped his unbiased views and recognition of alternative perspectives. Everyone is different, and each client deserves the utmost level of attention, responsiveness, and uniquely personalized approach when engaged in treatment.
Artur believes in each person’s unique ability and capacity to overcome their challenges. He uses a person-centered and evidence-based approach to foster curiosity, safety, and openness to growth.
He enjoys spending time with friends, playing video games, basketball, cooking, hiking, and fishing. Artur is proficient at providing psychotherapy in English and Polish.
Artur Lebiedzinski, MA, MHC-LP
Psychotherapist
Artur Lebiedzinski: (He/Him) has been working in the mental health field...
Hanni Flaherty, PhD, LCSW-R
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
Founder & Social Work President
Hanni (She/Her) is a New York City-based Clinical Social Worker specializing...
Kyle McEvoy, MS, LPC, LMHC, CCMHC,NCC
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...
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