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.

Glenn R. Tringali, National Executive Director
L. Lynn Cohen, Community Services Coordinator
Jessica Freely, Operations Manager
Georgia Krehbiel, National Director of Development
Paula Miller, Member Outreach Manager
Trawana Porter, Administrative and Programs Assistant
Terri Schaefer, Communications Manager
Ashley Sheehan, Development Coordinator
Danielle M. Stephens, Director of Programs

L. Lynn Cohen, Community Services 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.

Jessica Freely, Operations Manager, is responsible for ensuring the efficient functioning of daily office operations, including IT, HR, and all other program and staff. Jessica is a highly motivated manager with a strong business sense and experience in both corporate and non-profit settings. Before joining ACHA, Jessica spent nearly a decade as a market manager at the Nielsen TV Ratings. Prior to Nielsen she was a Program Director at Ramapo for Children, an experiential learning program for youth who are at risk or have developmental disabilities. Jessica holds a Bachelor's degree in Social Work from the University of Iowa.

Georgia Krehbiel, National Director of Development, brings more than 20 years of nonprofit leadership experience to the ACHA team. Georgia has worked in both international and bi-state medical organizations as Chief Development Officer and Director of Development. She has extensive experience and success in securing funds through major gifts, corporate sponsorship, planned giving, grants, and events. In her role with ACHA, Georgia will lead fundraising strategies through a multi-year integrated development plan that will include annual appeal, major gifts, corporate sponsorship and planned giving. Georgia’s interest in ACHA is both professional and personal, as her husband has a CHD that was not diagnosed until he was an adult. In 2014, he had a successful valve sparing procedure and aneurysm repair—procedures that came after more than a decade of monitoring his CHD. Georgia holds a Bachelor’s degree in Human Development from Saint Mary College and a MBA from Baker University.

Paula Miller, Member Outreach 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.

Trawana Porter, Administrative and Programs Assistant, has more than 12 years of nonprofit experience, focusing on program management, government contracts and community outreach. This work includes case management, hunger relief efforts, and food distribution operations. At ACHA, Trawana provides significant support to the development department by processing all ACHA and Congenital Heart Walk donations accurately and timely, as well as handling medical professional and patient/family memberships. Trawana received a Bachelor of Science degree from Delaware State University, an MBA from Wilmington University, and an MPA from Keller Graduate School of Management.

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 Coordinator, oversees ACHA’s volunteer fundraising program, including volunteer fundraising activities, ACHA’s Young Professional Committee and Captain Cardio’s Pacemakers, as well as works directly with ACHA fundraising staff to provide support for a variety of fundraising activities. Ashley’s experience includes development, communications, volunteer management and non-profit event planning. Ashley holds a Bachelor’s degree in Politics from The Catholic University of America.

Danielle M. Stephens, Director of Programs, has more than 11 years of nonprofit program-related and volunteer management experience. In her role she is responsible for program design and management; professional membership; research, evaluation and quality assurance; and leadership and team management. Before joining ACHA she was the Program Director for the Arthritis Foundation where she significantly grew the sustainable program offerings, diversification of funding streams, advocacy initiatives and dedicated volunteer pool. Danielle is also experienced in grant writing, advocacy, program evaluation and development, and program management. Danielle holds a Bachelor of Science degree in Speech Communication from Millersville University.

Glenn R. Tringali, National Executive Director, in partnership with the Board of Directors and Medical Advisory Board, is responsible for leading ACHA’s mission to improve and extend the lives of the millions born with heart defects through education, advocacy, and the promotion of research. Glenn has more than three decades of nonprofit administrative experience with small, mid-sized, and large national and international healthcare organizations. Prior to joining ACHA, Glenn previously served as Chief Executive Officer of the Cerebral Palsy International Research Foundation and the National Alliance for Autism Research and also held senior administrative and fund development positions with the Cancer Research Institute, Autism Speaks, Juvenile Diabetes Research Foundation, and March of Dimes.

Professional photography by StudioThreePhoto.com