Team

Decades of experience driving victories in politics, public affairs, and strategic communications.

Jason Thielman

Partner

Jason Thielman is the former Executive Director of the National Republican Senatorial Committee (NRSC), where he led the effort to flip the Senate back to Republican control in 2024. Under his leadership, the NRSC achieved its most significant majority since 2014, gaining four seats—a feat unmatched in a presidential election cycle since 1980. Before the NRSC, Jason served as Chief of Staff to Senator Steve Daines, where he played a pivotal role in key tax negotiations on the Senate Finance Committee, helping secure provisions for the pass-through tax deduction, a significant win for small businesses. Jason began his partnership with Daines in 2012, chairing his successful U.S. House campaign and continuing to provide strategic leadership through Daines’ Senate victories in 2014 and 2020.

Jason also played a key role in Montana politics, serving as a senior advisor to Governor Greg Gianforte during his congressional and gubernatorial races. Additionally, he recruited Gianforte to run in the 2017 special election to replace Congressman Zinke. Jason lives in Alexandria, VA, with his wife and three children.

Brock Lowrance

Partner

Brock Lowrance is the former Independent Expenditure Director and Senior Advisor at the NRSC. Over the course of his career, Brock has managed campaigns across the country and worked at the highest levels of national and state party committees. He served as Western Regional Political Director in the White House Office of Political Affairs during the Bush administration and continues to be a trusted political advisor to Governor Greg Gianforte, Governor Brad Little (ID), Senator Steve Daines (MT), and Senator Tim Sheehy (MT).

Brock served as Chief of Staff to the former Montana Senate President, gaining invaluable experience navigating the state’s legislative process. A proud Montanan and graduate of the University of Montana, Brock currently resides in Alexandria, VA.

Tim Edson

Partner

Tim Edson is the former Political Director at the National Republican Senatorial Committee (2023-2024), where he headed the political operation that won the most Senate seats since 1980 in a presidential year while recapturing the Senate majority. Before NRSC, Tim managed and consulted political campaigns and independent expenditure efforts in more than two dozen states. Tim has written and produced award-winning gubernatorial, Senate, and House races advertising.

Tim previously ran his consulting practice and was a managing director at a leading political and public affairs consulting firm. He was recognized in 2020 by the American Association of Political Consultants as one of its 40 Under 40.

Tim has also worked as a Deputy Chief of Staff and Communications Director on Capitol Hill and as a legislative and press aide in the Virginia General Assembly. He is a graduate of Virginia Tech and splits time between Washington, DC, and Indianapolis, IN.

Chet Martin

Vice President

Chet Martin is the former National Field Director for the National Republican Senatorial Committee (NRSC) in 2024, and is a veteran of campaigns in over a dozen states. At the NRSC, he designed a first-of-its-kind data sharing program between Senate campaigns and allied issue advocacy groups, fueling a Republican majority. He previously served as President Trump’s 2020 Georgia Field Director and the RNC’s 2022 Georgia State Director.

Sophie Varisco

Executive Assistant

With over five years of experience working independently in media and press, Sophie Varisco continues to seek out opportunities to grow in her gifts and talents. From social media strategy, content creation, video production, administrative oversight, management experience, media training, press writing, and ghostwriting, she has learned to adapt to her environment and meet the needs of those she collaborates with—and continues to do so through S2R Public Affairs.

Erin Thielman, GWCPM

Director of Operations

Erin brings a wealth of experience in leadership, strategy, and advocacy to her role as Director of Operations at S2R. She is a certified Project Manager through George Washington University and holds a certification in Business Analytics from MIT. Erin earned her B.A. in Economics from the University of Colorado and is a disabled veteran who served in the U.S. Air Force.

Beyond her professional credentials, Erin is deeply committed to service and advocacy. She has been actively involved in Republican political campaigns, the pro-life movement, and championing the rights of children with disabilities. Appointed to represent more than 3,000 special education students in Fairfax County Public Schools, she serves on the Advisory Committee for Students with Disabilities. She is the mother to three children and resides with her husband in Alexandria, VA.

A nationally recognized motivational speaker, Erin has inspired teens and young adults across the country with her powerful message of resilience and hope. She is honored to bring her leadership, skills and passion to S2R, helping drive the organization’s mission forward.

Three of the architects responsible for the GOP’s new Senate majority are launching a public affairs firm, S2R, to try and replicate that success for the private sector.

Testimonials

From the boardroom to the campaign trail, business-minded leaders and U.S. Senators alike praise S2R for their strategic precision, relentless execution, and results-driven leadership. If you’re in a high-stakes political or policy fight, these are the experts you want in your corner.