Jeff is a senior member of the Mapbox engineering team. His work focuses improving web development processes and streamlining deployment and maintenance, often functioning as an infrastructure architect for the Mapbox platform.

Jeff is an active contributor to various open source projects and has given numerous presentations at local and international developer events. He was one of the co-creators of Open Atrium, a fully customizable open source intranet framework.

Prior to joining Development Seed in 2005, Jeff worked as a programmer and technology manager at a large labor organization and received his bachelor’s degree in philosophy at American University in Washington, DC.