Discussion Forum
A place for registered ACHA members to discuss issues with other members of the ACHA community and provide and receive support.


The ACHA staff plays an integral role in the day-to-day workings of the organization, liaising between members of ACHA, ACHA's Board of Directors and Medical Advisory Board, and medical professionals around the world.

L. Lynn Cohen, Volunteer Coordinator
Paula Miller, Member Services Manager
Jessica Phelan, Acting Director of Development
Terri Schaefer, Communications Manager
Ashley Sheehan, Development Assistant
Christine Sullivan, Administrative Assistant


L. Lynn Cohen, Volunteer Coordinator, has more than 15 years of knowledge and experience in volunteer program management. Her previous work experience includes program coordination, communications, fundraising, friend-building, special events planning and outreach. Prior to joining ACHA, Lynn created and coordinated volunteer programs for several nonprofit organizations, including healthcare, behavioral health, older adult services, animal rescue and children’s programs. Over the years, Lynn has had the privilege and joy of working with more than 15,000 volunteers from California to Pennsylvania. Lynn received her Bachelor of Arts degree in Psychology from the University of Nebraska at Lincoln.

Paula Miller, Member Services Manager, has been involved with ACHA since 2000. She first served as a conference volunteer and later was appointed to the Board of Directors, a position she held for six years. She was Vice Chair of the Board from 2005-2007. Paula received a B.S. in Nursing from the University of Tennessee Health Science Center in 1973 and an M.S. in Nursing from the University of Alabama at Birmingham in 1977. In her career, she has worked as a pediatric nurse practitioner, a medical legal consultant, a nursing professor and a clinical research coordinator. As an adult with Tetralogy of Fallot, working with ACHD patients and families is her passion.

Jessica Phelan, Acting Director of Development, oversees fundraising efforts at ACHA, including individual giving, grant writing and sponsorships, professional membership, and Congenital Heart Walks. Jessica has a background in development and nonprofit communication from her work at Isles, Inc., a community development organization. Her experience includes grant writing and administration, budget development, and internal and external communication management. Jessica holds a Bachelor of Arts in English and a Master of Arts in Professional and Business Communication, both from La Salle University.

Terri Schaefer, Communications Manager, oversees the ACHA website, social media, the ACHA Blog, our organization’s print materials, and public relations. With a background in healthcare and pharmaceutical publishing as a senior editor and web editor at a national healthcare trade journal, Terri's experience includes writing and editing, managing website content, developing promotional materials and branding. Terri holds a Bachelor of Arts in Journalism from Rider University.

Ashley Sheehan, Development Assistant, provides vital support to the development department of ACHA through fundraising appeals and events; patient, family and professional association members; the Congenital Heart Walk; and other activities. Ashley’s experience includes development, communications work and nonprofit event planning along with a background in fundraising for political campaigns. Ashley holds a Bachelor’s degree in Politics from The Catholic University of America.

Christine Sullivan, Administrative Assistant, brings to her position at ACHA her background in nonprofit operations and her enthusiasm for assisting others. Her work at the Philadelphia Museum of Art and Delaware Valley Grantmakers prepared her to serve the membership of ACHA and to provide responsive administrative assistance to the staff and board. Christine holds a Bachelor of Arts in Art History from the University of Pennsylvania.