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About AGA

National Office Staff

Our staff exhibit AGA’s core values: collaborative, engaged, innovative and open. We commit to a diverse, equitable and inclusive workplace.

Contact us: 301-654-2055; [email protected]

Executive Office

Thomas J. Serena, MBA, CPA

Tom Serena, CEO

Celena NuQuay, CAE

Celena NuQuay, vice president, constituency programs and governance

John_Levinson_Headshot_172x172

John Levinson, manager, governance

Germaine Graham, senior coordinator, constituency programs and governance

Advocacy and Practice

Kathleen Teixeira, vice president, public policy and advocacy

Leslie Narramore, senior director, regulatory affairs

Sarah-Ankey-2-1024x1024

Sarah Ankney, director, government affairs

David Godzina, director, quality measure & improvement 

Sarah Heckman, senior manager, political affairs and advocacy

Melissa Missy Hill Headshot

Missy Hill, coordinator, government affairs

AGA Institute Council

Ellen Silver, vice president, meetings and conventions

Crystal Young, senior director, program operations

Sierra S. Avil, director, program operations

Lauren Zahn headshot

Lauren Zahn, manager, council operations

Anthony Golia, manager, section council operations

Clinical and Scientific Affairs

Headshot of Kim Alison

Alison Kim, PhD, vice president, clinical and scientific affairs

Sarah Williamson, senior art director

Headshot of Serra Sonya

Sonya Serra, MSc, senior director, clinical research

Nelly Ahmet, director, clinical practice updates

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Melanie Stephens-Lyman, director, clinical guideline development & dissemination

Thoba Khumalo Petrovic, senior managing editor, CGH

Michael Pogachar headshot

Michael Pogachar, senior managing editor, Gastroenterology

Headshot of Nick Tomeo

Nick Tomeo, PhD, senior manager, scientific affairs

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Amanda Grandinetti, manager, clinical research

Alexander Vaeth, manager, publications and digital media

Chelsea Horton headshot

Chelsea Horton, manager, publications

Michelle Clark headshot

Michelle Clark, manager, scientific programs

Lydia Fredell, MS, senior research associate

Sunni Losito Bagley, medical illustrator/animator

Gina Reitenauer, senior coordinator, publications

Sarah Kiesewetter Headshot

Sarah Kiesewetter, senior coordinator, research

Sydney Guyton Headshot 172x172

Sydney Guyton, coordinator, publications

Samantha Curtin Headshot

Samantha Curtin, assistant, publications

Communications

Jessica Duncan, vice president, communications

Rachel Shubert, senior director, communications

Aimee Frank, director, patient communications

Chris Kaczmarek, director, design

Emma Glasgow, senior manager, digital communications

Kristen Lee Headshot

Kristen Lee, senior manager, communications

Mara Shapiro, manager, communications and media relations

Danielle Kiefer, manager/editor, communications

Siraaj Woods headshot

Siraaj Woods, coordinator, social media and design

Constituency Programs

Celena NuQuay, CAE

Celena NuQuay, vice president, constituency programs and governance

Mingo Grant headshot

Mingo Grant, director, constituency programs

Olu Audifferen Headshot

Olu Audifferen, senior coordinator, constituency programs

Development

Nancy Chill, senior vice president

Stacey Hinton Tuneski, MPA, senior director, development and foundation programs

Harmony Excellent, MPA, senior director, development and foundation programs

Nancy Frohman Headshot

Nancy Frohman, senior director, corporate strategic partnerships

Sherri-Gae Scott, PhD, senior manager, innovation and KOL engagement

Sarah Lavicka headshot

Sarah Lavicka, senior manager, corporate relations

Kristine Holden headshot

Kristine Holden, manager, corporate relations

Visnja Jovanovic, manager, medical proposal writing

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Robin Jackson, coordinator, corporate relations

DDW Administration (www.ddw.org)

Ellen Silver, vice president, meetings and conventions

Crystal Young, senior director, program operations

Diedra Crawford, senior director, industry and exhibit operations

Johanna Merryman, senior director, convention activities

Anna Martin, director, program operations

Kaitlin Lawrence, director, industry sales

Carole Anikis, senior meetings manager

Tessa Ayala,
account manager, DDW sales and operations

Jaime Klopfer Headshot

Jaime Klopfer, DDW manager, program operations

Emily Glass headshot

Emily Glass, convention activities manager

Lisa Elliott headshot

Lisa Elliott, convention activities manager

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Chloe Stein, coordinator, industry sales and operations

Education

Nancy Chill, senior vice president 

Maura Davis, vice president, education and training

Tamara Jones, senior director, training

Katie Duggan

Katie Duggan, director, healthcare practitioner training and education

Cory Harlow, senior manager, training

Erin Blount headshot

Erin Blount, manager, CME programs

Amanda Rock Headshot

Amanda Rock, manager, education programs 

Carrie Chen headshot

Carrie Chen, education & training coordinator

Finance

Chris Bluhm, senior vice president, finance

Tim Summers, CPA, senior director

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Aini Munila, accounting manager

Theodora Williams, coordinator, accounting

Akoko Vias, coordinator, accounting

Human Resources and Administration

Lynn Grone, vice president, organizational effectiveness

Derek Randolph, director, building services

Anna Lugo-Khan Headshot

Anna Lugo-Khan, human resources generalist

Information Technology