About Us


To promote hope, healing and wholeness through integrative behavioral healthcare resources that nurture mental health, resilience and innovation.

Legacy Foundation Board Members


Sarah B. Mattern, LCSW, BCBA, MBA, Chair

Director of Operations, WellSpan Philhaven Center for Autism and Developmental Disabilities

Sarah Mattern has been the Director of Operations at the Center for Autism and Developmental Disabilities (CADD) since February 2018. She is responsible for the financial and operational aspects of the program and is a part of the leadership team at WellSpan Philhaven. She came to Philhaven in 2009 as an Outpatient Therapist and spent several years as the Director of CADD Outpatient Services. She continues to provide direct clinical care to individuals with developmental disabilities.

Sarah has a master’s in business administration from Elizabethtown College and a master’s in social work from the University of Maryland. She is also a Licensed Clinical Social Worker and Board Certified Behavior Analyst. She is on the advisory board at Messiah University’s Social Work Department and volunteers with Second Grace, a mentoring organization.

Danwe N’Dikwe, Vice Chair

Sr. Manager, Legal/Grant & Contract Services, World Vision, Inc.

Danwe N’Dikwe has over 20 years of experience working for not-for-profit organizations.  He currently works for World Vision, Inc. as a Sr. Manager within the Legal/Grant & Contract Services department which involves training staff and providing support in compliance in grant implementation. Prior to World Vision, he worked for other international non-governmental organizations including Ten Thousand Villages.

He and his wife serve as the Ministers of Youth at his church, Elizabethtown Mennonite Church.   His passions are to see respect and dignity for human life, attend the needs of the poor, and eradicate poverty in the world. Danwe has a master’s degree in International Commerce and Policy from George Mason University, Fairfax, VA.


Trevor Bare, Treasurer

Partner and Consulting Actuary at Conrad Siegel

Trevor is a Partner and Consulting Actuary at Conrad Siegel, an employee benefits consulting firm.  He works closely with clients to consult on employee stock ownership plans (ESOPs), 401(k), profit sharing, government, and cash balance plans.  Trevor has been with Conrad Siegel since 2006.

Trevor serves as an Elder and Board Member at Sunnyside Mennonite Church where he and his family attend.  


Marcia Mylin, ThD

LMC Resource Staff and Bishop Elders Team Member

Marcia joined the LMC staff in 2016 and currently serves in the areas of human resources, staff team leader, STEP Director and as a member of the Bishop Elders Team. She has served in various church-based ministries for over 35 years and has a deep love and desire to see the Church grow, flourish and bring the healing presence of Jesus to the world.

Marcia has a Master’s in Religion from Evangelical Theological Seminary and a ThD from Kairos University. She also serves on the Everence Chapter board and on the Camp Hebron board.

Marcia and her husband Dale are members at Byerland Mennonite Church where they serve in various capacities.

Carmen Garber

Therapist, New Journey Family Center

Carmen is a marriage and family therapist at New Journey Family Center, utilizing therapeutic play and dialogue with families, children, and adults. Prior to becoming a therapist, she was a teacher and a foster parent, as well as a volunteer for various Lancaster area faith-based non-profits.

She earned a Master’s in Marriage and Family Therapy from Kairos University.

Carmen and her family attend Living Light Mennonite Church, where she offers her gifts of teaching, music, and leadership.  

Julia Sensenig

Julia Sensenig MSN, RN, CNE

Professor Emeritus, Lancaster Campus of Harrisburg Area Community College

Julia is Professor Emeritus of Nursing at the Lancaster Campus of Harrisburg Area Community College where she taught nursing students in the classroom and at clinical sites for 17 years. She established the HACC Nursing Care Center at Southeast Lancaster Health Services (now Union Community Care) where she and her nursing students interacted with many patients with mental health challenges. She has published articles about community health in professional nursing journals. 

Julia has an MSN degree from West Chester University. She was certified in rehabilitation nursing and nursing education. She served with her family in Eswatini and Somalia where she worked in community health and in-service training for nurses.

Julia and her husband Carl are members at Red Run Mennonite Church. She enjoys leading music and teaching Sunday School. She is an instructor in LMC’s STEP program and is an EMM prayer intercessor. She serves on two mission support teams with EMM. Julia serves as a Church World Service (CWS) volunteer with newly-arrived refugee families in Lancaster County.

Chantal Kabamba

Chantal Kabamba, MSN, BSN, RN

Registered Nurse Practitioner, Union Community Care

Chantal Kabamba has 20 years of experience working in healthcare. She is a Certified Registered Nurse-Practitioner currently working at Union Community Care, a Federally Qualified Health Center serving the underserved areas and population of Lancaster and Lebanon counties since 2019. Her passion is to serve her Lord Jesus Christ through services to others.  Chantal has a master’s degree in sciences of nursing from Millersville University, PA.

Her and husband Louis are disciples at the Evangelical Center for Revival where they serve in various capacities.

Our History

The Foundation was formed when Philhaven affiliated with WellSpan Health in 2016. Learn more about the legacy of Philhaven, and how the LMC Legacy Foundation are working to continue the mission.