Shennell is the CEO of Project Ready, a nonpartisan nonprofit dedicated to advancing high-quality education and social justice in urban communities through increased voter turnout and civic engagement. Since its launch in 2018, Shennell has expanded Project Ready's mission to address educational inequities, public health, and broader social justice issues, advocating for policies like online voter registration, mail-in ballot access, and Same-Day Voter Registration. Under her leadership, the organization has engaged thousands of Newark residents in voting and civic action. Shennell is also the founder of the Dear America Project, a movement to amplify historically silenced voices, and she hosts the Dear America show on iHeart Radio. She is the Executive Director of Be Ready, New Jersey's first PAC focused on electing Black women. Recognized with honors like the 2024 YWCA Racial Justice Award, she continues to drive change, empowering communities and advocating for equity in politics and education.