10/10/2025
Big news at Assemble! We're thrilled to welcome two powerhouse leaders to our team.
Cat Stern joins us as Chief Operating Officer, bringing over a decade of experience scaling paid media operations. As former Paid Media Director for Harris for President, Cat specializes in media strategy, team development, and operational excellence.
Abigail Collazo steps in as VP of Digital Advocacy, a 20-year veteran who has mobilized millions across 30+ states to protect transit, global health, and voting rights. She's partnered with Fortune 100 companies and served in key digital roles for leaders including Stacey Abrams, Shenna Bellows, and President Barack Obama.
