Board of Directors and Staff

Board | Staff


The Green Tree Community Health Foundation is a diverse board representing the various communities served by the Foundation. Chairperson is John Rollins; Vice Chairperson is Jane Baron; Secretary/Treasurer is Wanda Mial. Committee Chairpersons are as follows:

Audit: Al Thorell
Development & Communications: Craig Johnson
Executive: John Rollins
Finance & Investment: Chris Gadsden
Grants: Joann Hyle
Governance: Walter Tsou

Jane B. Baron is Senior Advisor to the Dean of Beasley School of Law at Temple University and serves as the I. Herman Stern Professor of Law, specializing in property law, trust and estate law, and ethical practices of law. Jane serves on the Grants Committee. She resides in Mt. Airy.

James W. Buehler, MD. is former Health Commissioner for the City of Philadelphia, where he directed the Philadelphia Department of Public Health. Buehler is currently a Drexel University professor in the Dornsife School of Public Health. Dr. Buehler serves on the grants committee. He lives in Mt. Airy with his wife.

Lanie Dilks
graduated from Bryn Mawr College Graduate School of Social Work and Social Research with a Master of Social Service. She has worked at various hospitals including Lankenau, Temple and Germantown. She also worked in the Public Affairs Department at Planned Parenthood of Southeastern Pennsylvania. Presently she is serving on both the Grants and Development Committees. Lanie lives in Mt. Airy.

Chris Gadsden is a founding partner of Gadsden Schneider & Woodward LLP, a Pennsylvania law firm concentrating in estate planning, trust and estate administration and litigation, charitable gift planning and related areas of tax and personal and fiduciary law. He received his B.S. from Yale College in 1968 and his J.D. from Yale Law School in 1973. He has been recognized as one of the nation's top estate planning lawyers by inclusion in The Best Lawyers in America and Who's Who in American Law. Chris serves on the finance committee. He resides in Chestnut Hill.

Joann Hyle, until her retirement in December 2013, was a partner in the commercial litigation department of Pepper Hamilton LLP, specializing in reinsurance. Before she began practicing law, Joann had a 15 year career as a social worker in the Philadelphia area. For the past five years, she has volunteered with Green Tree Community Health Foundation, conducting site visits. Joann serves on the grants committee. She lives in Chestnut Hill.

Craig Johnson, served Green Tree from 2005 to 2011. Mr. Johnson, formerly with Glenthorne Capital, Inc., brings his expertise in growth strategy to the Foundation. Craig serves on the development committee. He lives in Chestnut Hill with his wife.

Wanda Mial
, MGA has been a leader in the non-profit, governmental, and philanthropic sectors for over twenty years. She has served as Senior Program Associate of the Annie E. Casey Foundation (AECF), Chief Executive Officer of Women's Christian Alliance (WCA), Chief Deputy Commissioner of Philadelphia's Department of Human Services, and Deputy Director of Congreso de Latinos Unidos. Ms. Mial has held previous positions at the American Red Cross, Maternity Care Coalition, and Planned Parenthood SEPA. Wanda is currently Executive Director of AchieveAbility. She serves on the audit committee. Wanda lives in Mt. Airy.

John D. Rollins is Executive Vice President at Accolade, Inc., a built-for-purpose company that assists employees and their families to confidently navigate the healthcare system so they get the care they need. He was previously a managing partner at Accenture where he worked with large companies to use information and technology to compete and serve customers. John holds an MBA from the Wharton School at the University of Pennsylvania and an undergraduate degree in Chemistry. John is a past chair of the Wilma Theater, a retired director of Opera Philadelphia, and currently is Board President for the Friends of the Wissahickon. John serves on the Audit Committee. He and his family live in Wyndmoor.

Al Thorell, Current Vice Chairman, Spring Garden Lending LLC; Founder and Chairman Valley Green Bank; Exec. VP & Director, National Penn Bank; Founder, Chairman, CEO, Chestnut Hill National Bank; Founding Board Member, Treasurer and President Wissahickon Hospice, the first Medicare Certified hospice in Pa. Founding Member and Treasurer, Mt Airy USA, a community development corporation, Served as Executive Director Chestnut Hill Business Association. He is a welcome addition to the board and will serve on the Audit Committee. Mr. Thorell and his wife live in Chestnut Hill.

Walter Tsou, MD, MPH, has a distinguished public health history. He is Past President of the American Public Health Association and currently serves on the visiting faculty of the University of Pennsylvania. He served as Health Commissioner of Philadelphia and was the founding Deputy Director for Personal Health Services and Medical Director of the Montgomery County Health Department. Walter also has served on several boards including the Maternity Care Coalition, and the Philadelphia HIV Commission. Walter serves on the governance committee. He lives with his family in Mt. Airy.

Nancy Wieman is the Deputy Administrator for Mental Health Services for Montgomery County. She is a graduate of Lebanon Valley College with a BA in Sociology and has a MS in Healthcare Administration from St. Joseph's University. A champion of individuals with mental health challenges, an advocate for family members, a partner to providers, and a leader and consensus builder in the community, Nancy has worked in the mental health field her entire career. She has experience in planning, program development and implementation, and public financing and policy. She currently serves on the board of the Kardon Institute for Arts Therapy. She is a Reach for Recovery Volunteer and a Project LEAD graduate of the National Breast Cancer Coalition. Nancy serves on the Grants committee. She resides in Fort Washington.



Susan M. Hansen, President & CEO
Bethany Flood, MSSA, MNO, LSW, Grants Program Manager
Sue Lee, Accountant
Sharon Anderson, Office Manager

Sharon Anderson, Office Manager. Sharon joined the Foundation in February 2013. Sharon was a 35-year employee at Jeanes Hospital working in an administrative position which included overseeing the office management function. Sharon also served as assistant secretary to the Board of Directors.

Bethany Flood, MSSA, MNO, LSW, Grants Manager, joined the foundation with more than 10 year of experience in development and family social work. Bethany is currently responsible for accepting all grant applications, screening them for required elements and tracking their progress from approval to year end site visits. She is a member of the National Association of Social Workers and Grants Managers Network. Bethany resides in Mt. Airy.

Susan Hansen, Ph.D., President and CEO of the Foundation, has been with the Foundation since its inception. She has more than 30 years of experience in health care policy and management and served as President and CEO of Jeanes Hospital in Philadelphia and subsequently Columbia Hospital for Women in Washington, DC before coming to the Foundation. She is a Fellow of the American College of Health Care Executives and a member of Philanthropy Network of Greater Philadelphia. Sue resides in Mt. Airy.


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Green Tree Community Health Foundation
6 East Willow Grove Avenue
Philadelphia, PA 19118
Phone - 215-438-8102 | Fax - 215-438-8109