Our Team

Mandi Zucker, LSW, CT

Executive Director
Pronouns: she/her


Mandi Zucker's 25+ year career has been defined by work in end of life and grief support. Beginning in hospice, she has focused on supporting people through illness and bereavement. She has worked in hospitals, nonprofit settings, higher education, for profit companies and schools, specializing in volunteer management, program development, education and training. Mandi became involved with EOLCNY in 2008 as a volunteer and has been an advocate for patients ever since. Mandi has spoken nationally about grief, anticipatory grief and how to be an advocate for your own needs at the end of life. She also sees clients privately for therapy as they contemplate end of life and bereavement. Mandi earned a Bachelor's degree in Child Development and Child Care from the University of Pittsburgh and a Master's degree in Social Work from New York University. She also earned a Certificate in Grief Recovery and a Certificate in Thanatology, the study of death and dying.

Aaron Twitchell, BCCC

Program Director
Pronouns: he/his


Aaron Twitchell is an ordained Presbyterian minister, chaplain, and teacher. After spending almost a decade in education, he gained important experience serving residents of psychiatric institutions before leading a large congregation through the pandemic at a historic, Mainline church north of Philadelphia. Along the way, Aaron has been a hospice chaplain, helping people uncover meaning and movement toward the end of their lives, and a health outreach coordinator, connecting vulnerable people to services they need. As a board certified clinical chaplain and pastoral counselor, Aaron is highly trained in the skills, tools, and theories of psychotherapy, emotional and spiritual support, and other counseling modalities, which he brings to bear in his life and work. More than anything, Aaron is a relationship builder, meaning maker, and people lover. Originally from the Pacific Northwest, Aaron lives in New Jersey with his family where he enjoys being outside, brewing beer, and going on adventures in local history.

David C. Leven, JD

Senior Consultant, Policy & Advocacy
Pronouns: he/his


David C. Leven was the Executive Director of End of Life Choices New York from 2002 until July 1, 2016. A leading advocate for patients and an expert on advance care planning, patient rights, palliative care and end-of- life issues, David has played a key role in having legislation introduced and enacted in New York to improve pain, palliative and end-of- life care, including the Palliative Care Information Act. David lectures frequently to diverse professional groups, students and the general public, and is a regular guest lecturer at College of New Rochelle School of Nursing and Fordham Graduate School of Social Service. A graduate of the University of Rochester and Syracuse University College of Law, he is the recipient of numerous awards including the Public Interest Law Award of the New York State Bar Association, Public Interest Law Committee.

Lillian Mehran, PhD, MPH, CHES

Senior Consultant, Education and Outreach
Pronouns: she/her

Lillian Mehran has fifteen years of experience in public health, including community outreach and needs assessments, program development and implementation, and community-based research. Her work has served diverse populations including solo seniors, LGBTQIA+ patients, individuals with chronic health conditions, intimate partner violence survivors, and older adults in under-served communities.

She has worked with a variety of organizations including academic medical centers, colleges, community health centers, advocacy groups, research foundations, and national professional organizations. She has a PhD in Community Health and Health Policy, a Master of Public Health in Community Health Education, and a BA in Psychology and Women’s/Gender Studies. She is also a Certified Health Education Specialist.