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PSI Staff: Your Partners in Healing

Addressing the Intangible with Intention

The Psychotherapy and Spirituality Institute (PSI) has been at the forefront of expanding the role of spirituality in mental health practices since 1975. We are an interfaith, non-sectarian, non-profit organization working to help all people create a sense of well-being and connectedness to themselves and their communities.

PSI’s clinical staff incorporate an integrative approach to mental health practices, customizing treatment modalities to each individual. They are dedicated to the principles of compassionate care, and partner with their clients to create a safe space for healing mind, body and spirit. 

Click on any image below to learn more about our therapists, team members and their treatment specializations.     

PLEASE NOTE: Due to current NY State licensing conditions, PSI clinicians can only serve those physically in NY State. This applies to telehealth visits as well as in-office treatment. Please consult your practitioner with any questions.

Therapist

Anushua Arif, MS, MFT-LP
Therapist

Peggy Ann Barnett, PhD, LMHC
Therapist

Wayne R. Cato, MBA, LCSW
Therapist

Ann Durant, LCSW
Therapist

Shivam Gosai, MS
Associate

Edmund Griffin, MD, PHD
Therapist

Jessica E. Heller, MPS, ATR-BC, LCAT
Therapist

Gary Hellman, PsyD
Therapist

Lana Hurst, MHC-LP
Therapist

H. Kimball Jones, MDiv, PhD, LMHC
Therapist

Kathleen Kelley, MDiv, LMFT
Staff therapist Paul Kelly
Associate

Paul Kelly, MA, LMHC, CSAT
Interfaith Minister

Rev. Julia Kristeller, MEd
Staff therapist Rebeca Brau Martinez
Clinical Intern

Rebeca Brau Martinez  
Therapist and PSI Executive Director

Sarah McCaslin, MDiv, LCSW
Therapist

Mary Rogers Nummelin, LMSW
Therapist

Mary Ragan, PhD, LCSW
Therapist

Kim Schneiderman, LCSW
Therapist

Kathleen Sharkey, LCSW
Photo of new staff therapist Viviane Zaccour
Clinical Intern

Viviane Zaccour

Therapist

Anushua Arif, MS, MFT-LP

Anushua believes that clients are experts of their own lives. Through a trustful and collaborative therapeutic relationship, individuals can begin the process of gaining control over their thoughts and inner dialogues, in order to create new narratives that will grant them the lives they wish to curate.

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Therapist

Peggy Ann Barnett, PhD, LMHC

“We are stronger, gentler, more resilient, and more beautiful than any of us imagine.” ~ Mark Nepo, poet and philosopher

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Therapist

Wayne R. Cato, MBA, LCSW

Wayne is a psychotherapist on staff at the Trinity Counseling Center of the Psychotherapy and Spirituality Institute. Wayne earned his Masters of Social Work from The School of Social Work at Hunter College of The City University of New York and also holds a Masters in Business Administration from Washington University in St. Louis, MO. Prior to joining PSI, Wayne worked at the Postgraduate Center for Mental Health for four years. His therapeutic commitment is to help all of his clients grow steadily toward greater wellness.

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Therapist

Ann Durant, LCSW

Ann Durant is a licensed psychotherapist who works with individuals, couples, and groups. She specializes in working with performing, visual and literary artists. She has an extensive background in the arts which she integrates into her practice.

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Therapist

Shivam Gosai, MS

Shivam is a psychotherapist who believes the therapeutic journey is not one of fixing perceived damages but of rediscovering the wholeness that has been there all along. He collaborates with clients to explore their inner worlds and partners with their best selves to achieve deep healing and emotional growth.

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Associate

Edmund Griffin, MD, PHD

Eddie is Assistant Professor of Clinical Psychiatry in the Division of Neurobiology and Behavior, Dept Psychiatry Columbia University, and an Attending Psychiatrist at NY Presbyterian Hospital. Dr. Griffin graduated from Columbia University with Honors in Biochemistry in 1996. He received his PhD in Neuroscience, and his MD from Harvard Medical School in 2004.

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Therapist

Jessica E. Heller, MPS, ATR-BC, LCAT

Jessica is a licensed therapist specializing in creative arts therapy. In her clinical practice, she aims to provide integrated psychological, behavioral, emotional, and spiritual support services that are unique and geared towards the clients’ expressive interests and strengths. Creative arts therapy integrates the traditions of psychotherapy with creative expression via visual art, writing, and movement, to name a few. Jessica utilizes a diverse set of “tools” including art therapy, writing, breath work, mindfulness, and traditional talk therapies.

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Therapist

Gary Hellman, PsyD

Gary Hellman is a New York State licensed psychoanalyst and mental health practitioner committed to your individual care, psychological growth, and wholeness. As a long-time practitioner, he is guided by genuine curiosity, care, and deeply empathic understanding. He truly enjoys working with clients who have a wide range of identities and backgrounds.

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Therapist

Lana Hurst, MHC-LP

Lana Hurst (she/her) cares deeply about helping her client’s step into their journeys with greater courage and authenticity. Her work with clients includes those navigating gender identity, sexual orientation, relationship concerns, anxiety, depression, spiritual issues, and religious trauma.

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Therapist

H. Kimball Jones, MDiv, PhD, LMHC

Kimball Jones has practiced pastoral psychotherapy at PSI since its inception in 1975. A practicing Buddhist as well as an ordained Methodist minister, Dr. Jones brings a unique multi-disciplinary experience to his work, encapsulating the motto of PSI to “treat body, mind, and spirit as one.”

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Therapist

Kathleen Kelley, MDiv, LMFT

Kathleen is a psychotherapist in the faculty practice of PSI providing individual, couple and family therapy. Kathleen holds a Master of Divinity from The Catholic University of America, and is a candidate for a Doctor of Ministry degree specializing in family systems. In addition to her academic degrees, Kathleen has extensive training in marriage and family therapy as well as psychoanalysis from the Blanton Peale Institute in New York City, et al.

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Staff therapist Paul Kelly

Associate

Paul Kelly, MA, LMHC, CSAT

Paul Kelly is a licensed psychotherapist practicing in New York City. He treats a wide range of mental, emotional, and psychological challenges and has special expertise in the treatment of sex addiction, relationship trauma, LGBTQ issues, spiritual distress, creative and artistic challenges and career advancement.

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Interfaith Minister

Rev. Julia Kristeller, MEd

Rev. Kristeller is an ordained Interfaith Minister and Pastoral Care Specialist with a strong background in the Creative Art Therapies. She brings over 35 years experience facilitating creative programs in educational, corporate, spiritual, community, and healthcare settings.

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Staff therapist Rebeca Brau Martinez

Clinical Intern

Rebeca Brau Martinez  

Rebeca is currently training to obtain her degree in Marriage and Family Therapy at Mercy College. As a family systems thinker, she understands the importance of our relationships and the impact that they have in the way we lead our lives.

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Therapist and PSI Executive Director

Sarah McCaslin, MDiv, LCSW

Sarah McCaslin is devoted to fostering the human capacity for resilience, growth and meaning-making, even under the most daunting circumstances. She believes in the inherent spirituality of all people to be a resource for achieving healing and wholeness.

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Therapist

Mary Rogers Nummelin, LMSW

Mary works with individual adult clients across all life stages and dimensions. Mary partners with her clients, listening deeply and offering insights with warmth and compassion.

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Therapist

Mary Ragan, PhD, LCSW

Mary Ragan, PhD, LCSW is a clinician and supervisor at the Psychotherapy & Spirituality Institute. Her professional work consists of three areas of interest: clinical work as a therapist, consulting work with groups and academic teaching in various institutions.

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Therapist

Kim Schneiderman, LCSW

Kim is a Certified Internal Family Systems (IFS) psychotherapist who views every life as a sacred story that is open to interpretation, especially one’s own. As a holistic psychotherapist, seasoned writer, and “deep soul diver,” Kim Schneiderman, LCSW, helps clients befriend and unburden different parts of themselves that are no longer serving them, so that they can create a life that both honors and expresses their deeper needs, values, and gifts in their personal and professional relationships.

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Therapist

Kathleen Sharkey, LCSW

Kathleen has more than 15 years of experience as a therapist, program manager and clinical supervisor in the field of mental health and addiction treatment.

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Photo of new staff therapist Viviane Zaccour

Clinical Intern

Viviane Zaccour

Viviane Zaccour is a dedicated and empathetic professional pursuing a Master of Science in Clinical Mental Health Counseling at Touro University, New York.

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