Mom-mentum Board of Trustees

Karen Horowitz
Karen Horowitz
Friedberg JCC, Parenting Resource Network
Contact Karen

Go to Karen's Bio »

Lorri Slepian
Lorri Slepian, LCSW
(click for video)

Founder of the Mothers’ Centers and NAMC
Contact Lorri

Go to Lorri's Bio »


Celentano Edited
Meredith Celenatno
Assistant Vice President for Development and 
Alumni Relations at Hofstra University
Contact Meredith

Go to Meredith's Bio»

Alina R. Haitz
Molloy College, Human Resources
Contact Alina

Go to Alina's Bio »

miriam -petrocelli-150w
Miriam Petrocelli
New York Licensed Attorney
Go to Miriam's »

Board Bio's

Sharon Sabba Fierstein

Sharon Sabba Fierstein CPA is currently Vice President, Finance at Cain Brothers Funding LLC, a mortgage banking firm specializing in healthcare financings. She previously worked in public accounting, both as an auditor and as a partner in litigation consulting. After serving as treasurer of the NAMC for more than ten years, Sharon became Chair of the Board of Directors in early 2014. She also serves as the Treasurer for the Mid-Island Y JCC in Plainview, NY. Sharon graduated from Wesleyan University with a bachelor’s degree in Mathematics/Economics and received her MBA from New York University. A lifelong Long Island resident, Sharon lives in Woodbury, NY with her husband and two grown daughters.

Lori Zlotoff

Lori Zlotoff currently works as the Inclusion Coordinator for URJ Camp Harlam in Kunkletown, PA.  She received her undergraduate degree from Binghamton University and her MSW (Masters of Social Work) from the University of Pennsylvania School of Social Policy and Practice in 2001. In addition, she participated in a dual program with Gratz College, receiving a graduate certificate in Jewish Education. For the past 14 years, Lori has worked in New York as a licensed clinical social worker with a variety of clients, most recently children and adults who were victims of Hurricane Sandy. In addition, she has spent many years working in the NYC public schools. Lori currently lives with her family in Port Washington, NY, where they are members of The Community Synagogue. 

Irina Sirota

Irina Sirota is Vice President and Client Manager of Global Commercial Banking at Bank of America Merrill Lynch. Irina immigrated to the United States in her early teens from the former Soviet Union along with her parents and three brothers in a very traditional household. Over time, she has come to believe that women need to be provided with the same opportunities that are available to men at no discount, with the flexibility to care for our children so that the quality of family life is not compromised because mom decided to have a professional life in addition to raising a family.  She is the mom to two young boys and resides in Bayside, NY. 

Karen Horowitz

Karen Horowitz is an experienced early childhood professional with a background in teaching, administration and parenting education. She has a Masters degree in elementary education and believes passionately in the importance of the early years in helping children reach their optimal potential. Since parents are their child’s first teachers, support for parents in that role is essential. Currently Karen is the Director of the Parenting Resource Network, an initiative of the Friedberg JCC in Oceanside, NY. This is an information and referral service for parents of young children birth to five, to bring parents and caregivers reliable child development information, parenting skills and connections to community resources. She was a long time member of her local  Mothers’ Center in Merrick, NY, when her daughter and son were young, became a part time staff member of the NAMC serving as the Coordinator of Special Events and then joined the Board of Directors.  She continues to reside in Merrick with her husband.

Lorri Slepian

Lorri Slepian LCSW is a Co-Founder of the National Association of Mothers' Centers. She currently serves as a Leadership Advisor, Mom-mentum Bd of Trustees and Co-Chair of the Nominating Committee. Lorri was a past Co-Director of the National Association of Mothers' Center. She is a retiredprivate practice psychotherapist. Lorri is a graduate of Adelphi School of Social Work & New York School of Psychoanalytic Psychotherapy. Her works have been published in The 21st Century Motherhood Movement, Demeter Press,Canada. She is the mother of four sons, grandmother of seven and wife of 58 years. 

Meredith Celentano

Meredith Celentano is an experienced and accomplished fundraising executive that has contributed greatly to the not-for-profit landscape of Long Island. Throughout the course of her career she has developed skills in major gift solicitation, donor steward­ship and volunteer management among others. In her role as Assistant Vice President for Development and Alumni Relations at Hofstra University Meredith oversees the manage­ment of alumni affairs activities, prospect research, foundation rela­tions, gift processes, data-manage­ment, special events, stewardship and annual giving. Since joining Hofstra in 2006, the annual fund has blossomed, having grown to nearly $2 million annually.

Meredith’s dedication to serving the Long Island not-for-profit community extends well beyond the Hofstra campus. Most notably she was recently selected to serve on the Board of Mom-Mentum, an organization providing leadership, education, and advocacy to mothers. Additionally, she is the Board Chair of Girls on the Run of Nassau County, an agency dedicated to inspiring girls to be joyful, healthy and confident using a fun, experience-based curriculum which creatively integrates running.

Also, she is a member of the board of the Association of Fundraising Professionals of Long Island (AFPLI) where she has held the position of vice president for professional development. During her time as vice president she also ser­ved as chair of the committee on professional development for AFPLI and in June 2010, was recognized by the chapter along with her mother Linda Howard Weissman, with the first Generation Award for advancing ethical and effective fundraising practices across the generations. When Meredith isn’t raising money for worthy causes, she can be found writing on her internet food blog that she created and launched in 2008. “Meredith’s Food for Life,” is filled with original recipes, stories and photos of her delicious creations.

Teresa McCarthy

Teresa McCarthy resides in Long Beach, NY and is the mother of daughters Gracie and Anna. A former children’s librarian, Teresa works part-time as the director of community outreach for her family's business Maple Family Centers (proprietors of 5 bowling centers). Additionally she actively volunteers in the local community, serves on the PTA, and leads two Girl Scout troops. In addition to her passion for volunteering & spending time with her family, Teresa enjoys reading, writing, kayaking and taking long walks on the beach.

Teresa joined her local Mothers' Center when her oldest daughter was just 3 months old. Through the years, she has served as a regular participant and facilitator of her local center and she frequently contributes to the Mom-Mentum blog. Teresa is grateful for her supportive husband Jack and to live just a quick boardwalk bike ride away from her parents.

Alina Haitz

Alina R. Haitz is a first time mom working in Human Resources at Molloy College and is a business partner with her husband—having founded Ark Academic Services, for children with special education needs on Long Island, NY. She is learning to embrace motherhood head-on and enjoys the special gifts that she has received along the way. Alina is an author of a short book of spiritual reflections on Mother Nature titled, “I Am...” She is starting her MS in Clinical Mental Health Counseling this fall and resides with her son and husband in Massapequa, NY.

Miriam Petrocelli

Miriam Petrocelli is a New York licensed attorney, experienced in the areas of general litigation and personal injury law. Miriam received her law degree from Pace University School of Law and graduated from Fordham University with a bachelor’s degree in Sociology and History. Miriam was born in Switzerland and as such, is fluent in German and Swiss-German. In March 2015, she welcomed her first child, daughter Gianna Marie, and has decided to take a break from work and stay at home for the time being. Miriam moved to Long Island in 2013 from Westchester, and currently resides in Roslyn Heights.