Jeff Manassero co-founded Rivet School in 2018, and serves as the organization's CEO. Rivet School is a nonprofit supporting working adults to earn an accredited, job-relevant college degree. Students work through an online self-paced curriculum at a partner university while getting personalized support from a coach and community of peers. In his role, Jeff oversees program and operational excellence, initiates partnerships for growth, leads fundraising efforts, and supports the organization's diversity, equity, and inclusion initiatives. Since its founding, the organization has earned support from top philanthropic organizations, including NewSchools Venture Fund, Schusterman Family Philanthropies, and Charter School Growth Fund.

Before founding Rivet School, Jeff was a history teacher and school leader at a nationally ranked high school serving first-generation college-going students. Jeff earned his BA from UC Berkeley and went on to teach as a Teach for America corps member after college. There, he earned an MA in Urban Education from the University of Pennsylvania. Upon returning to California, Jeff earned his School Administrator credential and an MA in Educational Leadership. In 2019, Jeff was selected for the Pahara Institute's NextGen Fellowship.