Adam Geller, CEO
Over the course of 30 years as an opinion researcher, Adam has conducted hundreds of thousands of quantitative and qualitative interviews in the political, gaming, telecom, energy, financial, and health care spaces. He brings political strategies and tactics to corporate, public relations, and public affairs campaigns.
Adam has played a role in every single Trump presidential campaign.
In 2016, Adam was one of the pollsters for the Trump presidential campaign, where he conducted polling and ad testing in the Blue Wall states of Michigan, Wisconsin, Iowa, and Pennsylvania. In 2020, Adam polled for two Trump-aligned Super PACS, as well as the RGA and NRSC.
In 2024, Adam was one of the pollsters for the Trump-aligned “Preserve America PAC.” He was the chief pollster in Michigan, Wisconsin and Pennsylvania.
Also in 2024, Adam served as chief pollster and strategist for the newly elected Governor of West Virginia, Patrick Morrisey. Adam has been the long-time pollster and advisor for the Dean of the Michigan House delegation, Congressman Tim Walberg (MI-5).
Earlier in his career, Adam served as Governor Christie's lead pollster in New Jersey.
Adam’s firm National Research Inc consistently receives one of the highest grades for accuracy in 538’s national ranking of pollsters. He has served as a guest panelist on the 538 polling podcast, and is a guest lecturer on polling at the Eagleton Institute of Politics at Rutgers University.
Adam received his Bachelor’s Degree from Rutgers University, and his Master’s Degree from the University of Delaware.
Samantha Barthel, Senior Project Director
Samantha Barthel serves as a Senior Project Director at National Research Inc, acting as a senior contributor on all research projects, including polls and focus groups.
Samantha is responsible for executing targeted sample frames and locating media markets and regional breaks in each district she works in, as well as contributing to the drafting of questionnaires. She works closely with clients for National Research to help ensure their goals are achieved.
Samantha is also responsible for the creation of crosstabulations and verbatim response reports and creates intuitive topline reports for each poll. She also facilitates the creation of PowerPoint presentations for each project she is involved with.
Samantha joined National Research in 2018 and has worked on various polls for the NRCC, RGA and other clients across the country. In 2018, she also assisted on Senatorial and various Congressional polls and focus groups across New Jersey.
An alumna of Monmouth University with a Masters in Public Policy, Samantha previously served as the Director of Constituent Affairs for former New Jersey State Senator Jennifer Beck and Assemblyman Declan O’Scanlon. During her time at the high volume legislative office, she was able to familiarize herself with the role and functions of New Jersey State government, while the time she spent in graduate school is when she found her desire to pursue policy and data analysis.
When Samantha is not enjoying the fruits of politics, she enjoys cooking, abnormally spicy food, the beach, and taking naps on Sunday afternoons. Monmouth County is not where she originates from, but it has become a place she has grown to love and one she now calls home.
Erin Gilsenan, Project Director
Erin Gilsenan is a project director at National Research Inc.
As Project Director, her responsibilities include helping to conduct and analyze all quantitative and qualitative research projects for the firm. Erin specializes in questionnaire design and construction, quality control checks prior to launching any research project, insightful post field analysis. Following the conclusion of any project, she is responsible for constructing client presentations.
Erin received both her Bachelor’s in Business Administration with a Concentration in Marketing and MBA with a Data Analytics focus from Monmouth University. Prior to National Research Inc., she worked with the Leon Hess Business School at Monmouth University and the Children’s Center of Monmouth County, where she gained knowledge in human resources, digital and social media marketing, market research, and data analysis.
Through her education and work experience she gained the skills necessary to carry out her position at National Research Inc., where she can pursue her interest in both the analytical and creative sides of marketing. Although she is originally from Philadelphia, she now happily calls New Jersey home.