At GDA Wins, we believe in living by our values. This is why our team is diverse in gender, race, ethnicity, and sexual orientation — and we actively encourage everyone to bring their thoughts and experiences to the table so we can incorporate different viewpoints into every advertisement we produce.
Jeff Gumbinner, Partner
Jeff Gumbinner has produced mail in every region of the country and for campaigns at every level — from producing Independent Expenditure mail that helped elect Joe Biden and Kamala Harris, to helping elect over 25 Members of Congress and U.S. Senate, to helping Democrats take control of legislative chambers in states like Colorado, Iowa, Indiana, and Virginia.
Jeff’s work has been repeatedly recognized by his peers with over 100 Pollie Awards for political direct mail, and his firm has been honored with more Pollie Awards than any other mail firm at four different Pollie Awards.
Jeff was named one of the “Rising Stars of Politics for 2005" by Campaigns and Elections Magazine. Jeff is also one of the few specialists in persuasion direct mail to have spent time as a pollster, serving as Senior Analyst for the firm Greenberg Quinlan. A veteran of campaigns in states ranging from New York to Alabama, Jeff started his firm in 2001, which is now known as GDA Wins.
Jeff graduated from The George Washington University with a Bachelor’s Degree in Political Communication. He lives in Washington, D.C. with daughters Ella and Bea.


Michael Davies, Partner
Michael Davies has helped lead direct mail efforts at virtually every level of politics — including the presidential, U.S. Senate, gubernatorial, congressional, initiative, legislative, and local levels.
Michael has taken a lead role in our work for institutions, including the National Education Association and the Laborers’ International Union. Michael’s institutional work has included membership mail, independent and issue advocacy efforts, public affairs work, and general consulting.
Michael has led statewide and congressional mail efforts in 32 states and has worked on 12 ballot initiatives. He’s also led our work in multiple legislative chambers — helping to win Democratic majorities in the Minnesota, Ohio, and Wisconsin Houses.
Previously Michael worked for eight years at the Democratic Legislative Campaign Committee (DLCC), where he was Executive Director for the 2004 and 2006 cycles. During Michael’s tenure as Executive Director, the DLCC won a net 14 new legislative majorities. Before the DLCC, Michael worked in his home state of Tennessee where he managed a Nashville mayoral campaign and served as the caucus director for the Tennessee House Democrats from 1995 to 1998.
Michael resides in Washington, D.C., with his wife, Nicole Anzia, and daughters, Katherine, Lila, and Louise (dog). He graduated from Swarthmore College with distinction in 1992.
Gabby Adler, Partner
Gabby Adler is our firm’s newest partner. Gabby leads our work for a host of clients, including several Congressional members and campaigns, as well as our work for House Majority PAC, DCCC, and NARAL Pro-Choice America.
Gabby joined the firm after a highly successful stint as a Political Desk at House Majority PAC, overseeing an independent expenditure effort that invested in three dozen U.S. House race and helped elect or re-elect 17 Members of Congress. 
Gabby developed her talent for devising persuasive campaign narratives and winning press strategies while working as the Communications Director and Spokesperson for campaigns and elected officials across the country. She served as the Midwestern Regional Press Secretary for the Democratic Congressional Campaign Committee, as Communication Director for the House Foreign Affairs Committee, as Director of Communications in the office of the New York City Public Advocate, and as a senior advisor to Congressman Dave Loebsack (D-IA).
A native Californian, Gabby graduated from the University of California, Berkeley – Go Bears! – and earned her MPA from the University of Southern California. She currently lives in Connecticut.
Nick Williams, Vice President
Nick Williams is a Vice President at Gumbinner & Davies. Williams has successfully directed strategic communications programs in several key battleground states on the federal, state and municipal level. His clients range from major trade associations and progressive PACs to several party organizations and legislative leaders across the country. 
Williams’ career started in Louisiana where he served in several positions on the staff of the New Orleans City Council as well as on the staff of Sen. Mary Landrieu. In 2008, he served as Political Director for the Pennsylvania House Democratic Campaign Committee, the cycle in which Democrats regained full control of the chamber. After a successful cycle in Pennsylvania, he served as the Virginia State Director for SEIU’s Change that Works, a grassroots public advocacy project supporting the Affordable Care Act.
Born and raised in New Orleans. Williams graduated from Carthage College in Kenosha, Wisconsin, and currently lives in D.C. with his wife and young sons. Nick’s passions are his New Orleans Saints and spending time with his family. 
Stacey Maloney, Creative Director
Originally from Waynesville, Ohio, Stacey brings 15 years (and 6 election cycles) of creative experience to Gumbinner & Davies. In addition to her work in politics, Stacey has designed for clients in the finance, education, and nonprofit sectors.
Joshua Limbaugh, Senior Art Director
Joshua Limbaugh’s 20-year career as a designer has produced work for a diverse range of clients, from well-known companies and institutions to small independent businesses. Joshua’s award-winning work is fueled by his passion for social and environmental issues, and he believes that great design can change the world​​​​​​​.
Didier Kébreau-Pierre, Senior Designer
Coming from Haiti with an interest in painting and drawing, Didier embarked on a path filled with the arts and arts education. With a bachelor's in Studio Art from Florida State and graduate education from the Corcoran in Art Education, Didier is a well-rounded, creative designer with skills ranging from print and digital design, to illustration, and video editing as well as basic front-end development. Didier also brings the experience of working at three different political firms. Didier and his wife Jessica have two daughters, Denaje and Zoē. His other children are Semiia, René, and Marie Patrice.
William McGee, Senior Account Executive
William McGee joined the firm in 2018. Prior to that, William worked on campaigns ranging from the presidential down to state legislative races. Specializing in grassroots field operations, William has managed entire campaigns and has played executive roles in a variety of states, including Arizona, Pennsylvania, Delaware, Virginia, and Iowa.
William has also been a general consultant for candidate, public relations, and land use campaigns. Additionally, William was a Marketing & Communications Coordinator for a community health care network while serving as an AmeriCorps VISTA volunteer in New Jersey.
Born and raised in Tucson, Arizona, William graduated from the University of Arizona – Bear Down! – with a degree in public health. He resides in Washington, D.C. and enjoys running and playing music.
Anne Bottaro, Senior Account Executive
Prior to joining GDA Wins in 2020, Anne Bottaro worked on several campaigns in Iowa and Illinois, including in a senior role on Pete Buttigieg’s Iowa Caucus team. She also spent several years working for a voting rights organization and as a communications specialist for the Illinois Senate Democratic Caucus.
Anne is a native of Sioux City, Iowa and graduated from Loyola University Chicago. She currently lives in Springfield, Illinois with her boyfriend, John, and their two havanese dogs, Banjo and Pudge.
Martin Long, Targeting Director
Martin Long leads Gumbinner & Davies’ targeting operation. 
Martin spent 17 years at the National Committee for an Effective Congress (NCEC) pioneering Democratic targeting techniques. Martin has also been a member of the CBS News Election Decision Team since 2002 where he focuses on projecting winners in the nation's 435 House districts.
Martin graduated from Lander College and earned his MA in Political Science with a Certificate in Campaign Management from Kent State University.
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