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
Miles Willis, BS
Miles (He/Him) is a graduate student currently pursuing an MA and Master of Education in Psychological Counseling at Teachers College, Columbia University. He holds a BA in Psychology from Clark University. Miles works from a strength-based and person-centered perspective, while encouraging mindfulness techniques and creating an affirming space with the client.
Miles is originally from interior Alaska and now lives in NYC. He is 23 years old, queer, a trans man, and a second-generation immigrant. In his spare time, he enjoys discovering new knitting patterns, running, and photography.
Miriam Kassow, MS, LMSW
Miriam (She/Her) is a licensed psychotherapist. Originally from West Hartford, CT, Miriam has called New York City her home for the past 10 years. Her practice as a clinician is deeply rooted in empathy and compassion for all clients. Miriam believes that the client is the expert of their own lived experience, and that her role as a therapist is to help the client understand themselves and their lives more deeply and meaningfully. Pulling from several different modalities and orientations such as attachment-focused work, psychodynamic theory, Cognitive Behavioral Therapy and Dialectical Behavior Therapy, Miriam is passionate about supporting her clients to find agency in leading the lives they aim to live. Miriam considers herself a life-long student above all else and is constantly seeking to expand her knowledge and expertise as a clinician.
Miriam’s approach has worked well for various needs, including (but not limited to) survivors of trauma, mood and anxiety disorders, body-focused repetitive behaviors, and those seeking to explore their sexuality and/or gender.
Outside of her practice, Miriam loves to read, practice yoga, explore New York City on foot, and perfect new recipes in her Brooklyn kitchen. Miriam also loves to sing and performs as a cantorial soloist. She received her graduate degree in social work from New York University and her undergraduate degree in International Studies with a Peace and Conflict concentration from Muhlenberg College.
David Díaz, MS, LMHC
David’s (He/Him) practice incorporates knowledge and techniques from various therapeutic modalities. He can conduct therapy sessions in English and Spanish. He is passionate in listening to a client’s story on who they were, and what story they would like to have today and tomorrow. He has vast experience working with people who are challenged by depression and/or anxiety and people who have a history of self-harm and suicidal ideation. He has experience working with clients in overcoming sexual abuse/intimate partner violence, intergenerational and racial trauma. He enjoys working with people within the Queer and LGBTQIA+ community and provides an affirming environment. He is passionate in supporting trans and nonbinary folks of all ages.
As a therapist that is social justice-oriented, he wants to include relevant identifying factors into the therapy room such as culture, sexual orientation, race, gender and expression, religion, family relationships/history, etc. His style comes down to working through the lens of somatic psychotherapy… meaning that his understanding of our emotional health is a response to internal and external stressors, and tension or trauma that is kept in our bodies. Other theoretical frameworks that he uses are narrative therapy, experiential therapy, emotionally-focused therapy, family systems, Gottman’s Method and structural Family therapy.
He is a Licensed Mental Health Counselor (LMHC), and received his Master’s degree in Mental Health Counseling and an Advanced Certificate in Marriage and Family therapy (MFT) at Long Island University in Brooklyn, New York. He has desires to be trained in EMDR and to provide Ketamine-Assisted Therapy. He continued his work in a non-profit organization in Greenpoint Brooklyn providing therapy at a substance abuse outpatient treatment program for adolescents, adults and their significant others. Additionally, he provided virtual in-home therapy parent coaching to families across the country.
In his free time, he enjoys to ride his bike to different restaurants with friends, host dinners/gatherings, take part in some form of painting/pottery, dancing in nightlife and traveling to new countries.
Lisa Piccinnini, BA
Lisa (She/Her) is a graduate student at Baruch College pursuing an M.A. in Mental Health Counseling and has a B.A. in Clinical Psychology from Hunter College. She is from Long Island, New York and now lives in NYC. She is committed to offering a nonjudgmental space for others where they can feel comfortable to explore and process their experiences, thoughts, and emotions, as well as be their most authentic selves in order to reach their goals and fullest potential.
Lisa’s therapeutic style is warm, attentive, and flexible. She believes in working together with her clients to meet them where they are at and discover what approaches will work best for them. She often uses various components of CBT and psychodynamic theory when working with her clients. Lisa is passionate about helping individuals who are struggling with anxiety, depression, trauma, life transitions, disordered eating, and other presenting issues, as well as those in the LGBTQ+ community.
Lisa feels strongly about the bidirectional relationship between the mind and the body and believes in the importance of physical movement and self-care. In her free time, she loves strength training, going for walks, spending time outside, and spending time with her dog, Koda. She also enjoys cooking, trying new restaurants in New York City, puzzles, and spending time with her friends and family.
Lisa recognizes how important it is to take care of one’s mental health and how challenging it can be to take the steps to do so. She looks forward to working with you and supporting you in the process!
Kate Jamison, MS, MHC-LP
Kate (She/They) is a graduate student at NYU’s Counseling for Mental Health & Wellness Program, specializing in LGBTQ+ affirmative care. She is committed to counseling from a multicultural lens, creating a space where client’s needs and experiences are heard and validated. Kate is passionate about helping clients from person-centered and strengths-based approaches.
In her free time, Kate loves to make simple syrups for her morning coffee, watercolor, experiment with fun makeup looks, and explore Brooklyn neighborhoods and restaurants. Prioritizing your mental health is one of the best choices to make for yourself, and Kate would be excited and humbled to be a part of your journey.
Maria Pietruszka, MS, LMHC, CASAC-T
Maria (She/Her) was born in Poland and migrated to NYC at the age of 3. She was raised in Brooklyn and carries that as a badge of honor.
Maria attended Hunter College where she graduated with a degree in Sociology. She then attended LIU Brooklyn and obtained her Master’s in Mental Health Counseling in 2017. During her time at LIU Brooklyn, she was the campus representative for the American Psychology Association Division 35 Society for the Psychology of Women. Maria was involved in hosting events that help spread awareness for feminist research, theory and education to understand and improve the lives of girls and women in all their diversities. This helped Maria develop her passion towards working with women and women’s issues.
After graduation, Maria was hired as a full time substance abuse counselor at Outreach, where she completed her internship for graduate school. She worked with adults to help them reach their goals in recovery. Maria implemented harm reduction techniques to help promote a more inclusive and realistic approach for treating substance use disorders. She is determined to approach all her clients by meeting them where they are and empowering them to meet their treatment and therapy goals.
After 3 years, Maria was promoted to Program Coordinator where she was responsible for running Restart Academy, a Department of Education alternative high school for students with substance use and behavioral issues and an after school program for outpatient services for adolescents. Maria enjoyed working and advocating for adolescents and young people. She guided them through different life transitions like: finishing high school, coping with peer pressure and preparing for the next chapters of their lives like college or full time employment.
Maria also supervised new counselors and her approach was always to empower counselors and teach them listen to their “clinical gut”.
Maria is driven by social justice and participated in movements for Black Lives Matter, women’s rights and animal rights. Her approaches in therapy display her commitment to provide an empathic, compassionate and judgement-free space where people from all walks of life can address their emotional issues, life transitions and meet their therapy goals.
When she is not in session, Maria teaches as an adjunct lecturer at Hunger College. She teaches courses like Drugs and Society and the Sociology of Mental Health. In her free time, Maria loves to re-watch “The Office”, spend time with her two cats Rajah and Stella and try new vegan recipes.
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.
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.
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.
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.
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