In this episode, Erica Mattison talks with Dorothy “Dot” Fennell, a Boston-based transportation planner, mother of three, and co-founder of CargoB, the first on-demand electric cargo bike share in North America.

This conversation highlights how aligning your expertise, priorities, and community needs can lead to practical, human-scaled solutions. Dot shares the origin story of CargoB, the growing role of cargo bikes in neighborhood life, and how simple tools can address real mobility challenges in cities.

You’ll learn about her approach to entrepreneurship, the operational model behind CargoB, and how she and her co-founder are working with residents, city agencies, and universities to expand access to sustainable transportation. Erica and Dot delve into the community, health, and connection benefits that emerge when people have more ways to move through their day.

“When I step back and look at the challenges we’re facing, I ask: what can I do at a local level? Here’s what I know, and here’s how I can contribute.” — Dot Fennell

Learn more about CargoB ➔