Meet Our Certified Facilitators

Dr. Tobi Ash

Certified Atzmi Facilitator

Florida

Dr. Tobi Ash, PhD, MBA, RN, BSN, is a women's health expert with over 25 years of experience as a nurse, midwife, and health educator. She earned her Bachelor's in Nursing from Barry University, her MBA from Nova Southeastern University, and completed her PhD in Health Promotion, alongside a Certificate in Health Writing from the University of Michigan. She began her nursing career as a critical care, emergency room, and trauma nurse, and has delivered hundreds of babies while providing care to women on health missions throughout the Caribbean. Based in Florida, she previously served as Director of Women's Healthcare at NanoHealthCare Associates. She has written and been published extensively on health topics, especially girls and women's health. Beyond her clinical work, Tobi is an active philanthropist focused on hunger, poverty, and education, having founded Miami's Community Kosher Food Bank and multiple community gardens as part of her broader mission to build healthier communities.

Malka Halberstam

Certified Atzmi Facilitator

Malka Halberstam is a health coach and facilitator for Atzmi. She teaches parents and educators how to cultivate self-worth, self-compassion, and emotional resilience in the children they care for, focusing on reshaping the way our communities think about food, body image, and emotional wellbeing. Her approach blends deep listening with clear, accessible guidance that empowers adults to lead with heart. She is passionate about creating cultures where every child feels seen, safe, and strong inside themselves.

Miriam Lieberman, MSW

Certified Atzmi Facilitator

Miriam Lieberman has devoted much of her professional and communal life to supporting Jewish women and families through challenge, transition, and growth. A graduate of Wurzweiler School of Social Work, Miriam brings decades of experience in community education, support, writing, and meaningful engagement. For 12 years, Miriam worked with ATIME, where she served as editor of its magazine for individuals and families navigating infertility. She has facilitated support groups for those experiencing loss and continues to volunteer with LINKS. She is also the coauthor, with Dr. Neal Goldberg, of Saying Goodbye, a book addressing loss and bereavement. Over the past decade, Miriam has focused much of her work on women in midlife and beyond through JWOW! – Jewish Women of Wisdom. She is the author of two anthologies for women, The Best Is Yet to Be and To Fill the Sky with Stars. Miriam now brings her years of professional experience, community involvement, and ability to connect with women around sensitive and meaningful topics to her work with Atzmi, helping further its mission of education, awareness, and eating disorder prevention within the Jewish community.

Dr. Shira Silton

Certified Atzmi Facilitator

New York, NY

Dr. Shira Silton has been practicing psychotherapy for over twenty years, providing individual, couples, family, and group counseling in English and Spanish. She serves as a Senior Therapist at Yeshiva University's Counseling Center, where she works with undergraduate and graduate students and provides clinical supervision to staff. She also maintains a private psychotherapy practice on Manhattan's Upper West Side. Dr. Silton has conducted extensive research on eating disorders in the Orthodox Jewish community, beginning with her Senior Honors Thesis and continuing through her doctoral dissertation and subsequent publications.

Mimi Trenk

Certified Atzmi Facilitator

Clifton, NJ

Mimi Trenk is an attorney by education and a Certified Life Coach by profession. Trained by the School of Transformational Healing and the Dina Friedman Academy, Mimi helps her clients move through what keeps them stuck and create meaningful change in their lives. Her work centers on self-worth, emotional well-being, and developing a deeper, more accepting relationship with oneself. She lives in Clifton, NJ, with her husband and five children.