
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
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.
Miriam Kassow, MS, LMSW
Psychotherapist
Miriam (She/Her) is a licensed psychotherapist. Originally from West Hartford,...
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,...
Rachel Moses, MA, LMHC
Rachel Moses: (She/Her) is a graduate of the master’s in mental health counseling program at Brooklyn College and currently has her MHC-LP. She is dedicated in her work to foster a safe space for all clients to speak openly about life and all that comes with it. Compassionate and patient, she takes on a person-centered approach to ensure clients are being heard and accepted as they are. Rachel also uses evidence-based treatments in her work. She believes that everyone has the potential to grow, to learn, and to flourish already inside of them.
During her free time, she enjoys baking, knitting, listening to Broadway cast recordings, and spending time with her pet dog and parakeet.
Therapy is unlike any relationship and this can be intimidating, but you have taken a brave first step by researching and reaching out. She looks forward to hearing from you!
Rachel Moses, MA, LMHC
Psychotherapist
Rachel Moses: (She/Her) is a graduate of the master’s in mental health...
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...
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