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Mary Moxley- Executive Director

Mary Moxley has a heart for service and has worked for many years within the Developmental Disability/Intellectual Disability community in various capacities in residential, vocational, school and administrative settings. She has been instrumental in creating programming for the community, from lesson and plan development to organizing events to developing budgets. Mary is a passionate advocate for ensuring that the needs, goals, desires and wants of Lifeline participants are met; her years working in day to day direct service and the provider sector give her invaluable insight as Lifeline delivers its programs. Mary received an AAS in Human Services - Mental Health from Chesapeake College and her BSW from Salisbury University.

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Denise Jones- President

Ms. Jones is a  passionate certified personal fitness trainer who has been serving individuals with physical and developmental disabilities for over 5 years.  She has been an active participant in the disability community since childhood.  Denise learned American Sign Language (ASL) in elementary school and continued her ASL studies at Seton Hall University and Gallaudet University.  She obtained a B.A. in Communication from Seton Hall University. 


Andy Hackett- Vice President

Mr. Hackett is Vice President and Manager of DC operations for Cogency Global.  Andy comes to Lifeline having experienced the joys and challenges of working with folks with developmental disabilities with a family member and close family friends.  He received the 2019 Volunteer of the Year award from Lifeline.

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Jennifer Nye- Secretary

Greg Nelson- Treasurer

Maggie Angevine- Board Member

Ms. Nye has over 25 years of experience in management, operations and human resources in both the private and non-profit sectors. She is an honors graduate of the former L’Academie de Cuisine and has worked as a professional pastry chef in the DC area. She developed and co-lead Lifeline’s Healthy Body cooking classes.

Mr. Nelson is a 20 year member of First Trinity Lutheran Church, serving as Church Council President, Vice President, Secretary and Treasurer.  He has long been an active volunteer at Lifeline.  He has served as Treasurer of Lifeline since 2020. Mr. Nelson holds a B.A. in Economics from the University of Kansas (Go Jayhawks!) and a Master's in Public Policy from the Kennedy School of Government at Harvard University.

Ms. Angevine is the Public Relations Coordinator for the American Staffing Association, a nonprofit where she has worked since graduating college in 2022. She graduated from Miami University of Ohio with a bachelor’s degree in journalism and political science. Maggie has had a strong passion for community service, involvement, and advocacy since high school.

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Michelle Hawkins - Board Member

LeRoy Jackson – Board Member 

Ms. Hawkins is an advocate for her loving adult son with developmental disabilities. She has extensive advocacy experience, has led and organized numerous initiatives, and participates on several boards in the DD/ID community. Ms. Hawkins works at Lt. Joseph P Kennedy Institute as a Parent Advocacy Coordinator; for the DC Department on Disability Services. Her many duties include Community Liaison Specialist and Intake and Outreach associate. Ms. Hawkins is a member of DC Quality Trust, Family Ties of DC, Georgetown University Center for Child and Human Development, University Center for Excellence in Developmental Disabilities, and the DC Consumer Advisory Council.

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Mr. Jackson is an adult with a developmental disability and a very active volunteer for various non profits in the DC area.  He is involved with the self-advocacy group Project ACTION!.

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Sandra Jackson – Board Member

Ms. Jackson previously served at DC Advocacy Partners, a leadership training program for self advocates with disabilities and family members.  She has also been a volunteer at Special Olympics.  She has an adult sibling with developmental disabilities.

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Susie King – Board Member

Pastor Tom Knoll – Board Member 

L. Thomas Mangrum - Board Member

Ms. King worked with the District of Columbia Department of Human Service’s Family Services Administration in positions that included Social Science/Child Care Specialist, Contract Administrator and Policy Analyst. She received a BA degree in Sociology from Wilberforce University and a MA degree in Teaching from the University of the District of Columbia.  As the parent of an adult with developmental disabilities, she has been active with organizations such as DC Parents and Friends of Children with Special Needs, the DC Developmental Disabilities Council and the Inclusion Research Institute.

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Reverend Knoll is retired from ministry and previously served on the Pastoral staff of First Trinity Lutheran Church in Washington D.C.  He is a licensed and board certified social worker and was the Executive Director of Community Life Services, a parish based social service ministry, from 1982-2002.  He holds numerous board positions including with the Capital Area Asset Building Corp., Trinity Landholding Corporation, New Course Restaurant & Catering, and the Urban Alliance. He received a BA in Psychology/Sociology and Theology from Concordia College, an M.Div. from Christ Seminary and an MSW from St. Louis University.

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Mr. Mangrum is an adult with a developmental disability. He is an active advocate for adults with developmental disabilities.

Tom Roschke – Board Member 

John Priebe – Board Member 

Mr. Priebe worked for the U.S. Bureau of the Census for over 40 years. He is a founding board member of Lifeline and very active with his church community at First Trinity Lutheran Church. He also serves on the Board of Largo Landing Fellowship House, one of the rent subsidized houses for low income persons run by Fellowship Square.  He received a BS in Economics from South Dakota State University.

Mr. Roschke held positions primarily as a computer programmer and information analyst for a variety of companies and clients including the US Treasury, MCI Communications, SHL Systemhouse, Compuware, Inc, and the Federal National Mortgage Corporation.  He also served as a Peace Corps volunteer in India. He received a BA in Liberal Arts from Concordia College, an MA in Psychology from Wake Forest University and an MA in International Studies from Johns Hopkins University. He served as Lifeline’s Treasurer from 2007 to 2019.


Alex Loux - Intern

Reverend Judith VanOsdol - Board Member

Crystal Thomas - Board Member

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Ms. Thomas is the Program Manager for the State Office of Policy, Planning and Innovation at the District of Columbia’s Department on Disability Services. Previously, she worked in Arlington County Department of Human Services for over ten years where she was responsible for development and implementation of policies and procedures, coordinating with partner agencies in the community and at the state and federal level, representing the agency at public meetings. Prior to joining Arlington County, Crystal had three years experience with an IDD provider in DC as the Director of Operations. Crystal began her human service career while she was still in college, as a youth counselor at the National Center for Children and Families. She received a Bachelor’s Degree in psychology from the University of Maryland, College Park; a Master’s Degree in Human Sciences and Psychology from Hood College; and a Master of Public Administration from George Mason University. 


Jane Pinsky - Intern

The Rev. Judith VanOsdol is an ordained pastor in the ELCA, serving as the pastor of First Trinity since 2021. She previously served in parishes in Upstate and Metro New York, Chicago, Minneapolis, and Buenos Aires. She also served as Director for Evangelical Mission and Assistant to the Bishop in the Upstate NY and Rocky Mountain synods. Pastor VanOsdol’s global mission service includes working in parish and synodical ministry in Argentina and as Program Director with the Latin American Council of Churches, forming ecumenical leadership teams with churches across Latin America to promote gender justice with a human rights focus. She later served as Program Executive for Gender Justice and Women’s Empowerment for the Lutheran World Federation in Geneva, Switzerland. Rev. VanOsdol has published books together with other leaders of gender justice teams in Latin America and brings a passion for our shared baptismal call to live out our faith in daily life. She holds a Bachelor of Arts degree in Language and Linguistics and a Masters of Divinity (MDiv). She loves music and recharges by singing, walking, hiking, and exploring God’s gift of nature and the wonderful cultural offerings of Washington, DC.

Alex is very excited to be joining Lifeline Partnership as an intern this summer!  She is currently a rising junior at George Washington University where she is double majoring in Human Services and Social Justice (HSSJ) and History with a minor in American Studies.  Alex is from Harrisburg, Pennsylvania and in the future she plans on pursuing a career in the human services field.

Jane Pinsky is an upcoming third-year student at American University, majoring in Business Administration and minoring in Jewish Studies. Jane is from Deerfield, Illinois, and has experience in the nonprofit sector. She has a strong passion for fundraising and advocacy and is eager to join the Lifeline Partnership team as a summer intern.

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