Arantxa Hernandez

Senior Communications Associate

Arantxa Hernandez is a Senior Communications Associate at Marathon Strategies, where she focuses on helping organizations navigate complex public affairs, media relations, and strategic communications challenges. She works closely with clients to develop clear, credible messaging and execute campaigns that strengthen public understanding and stakeholder engagement.  

Her expertise spans public affairs communications, media strategy, digital content development, and issue advocacy. Arantxa has supported clients across economic development, consumer advocacy, and corporate affairs, providing counsel on reputation management, policy communications, and high-stakes public engagement. She regularly develops op-eds, press materials, briefing documents, and campaign strategies designed to reach diverse audiences and drive meaningful outcomes.  

Before joining Marathon Strategies, Arantxa held senior roles at Keybridge Communications and Storyline Strategies, where she managed policy-focused communications campaigns and translated complex technical and regulatory issues into accessible public narratives. She began her career as a freelance copywriter working with international brands across Latin America and the United States.  

Arantxa graduated summa cum laude from the Savannah College of Art and Design and holds certifications in Google Analytics and Salesforce. She is based in the Washington, D.C. area and is passionate about using thoughtful storytelling to connect data, policy, and people.