Xavier Leonard — a life in hops
He called himself a node. What he meant was: every person he touched became more connected — to tools, to each other, to their own latent capacity to build. Here is the route he traced.
Xavier Leonard came of age at Columbia University, developing a deep interest in the relationship between technology, information, and human power. The internet was dawning — not yet a utility, still a frontier — and Xavier was already asking the question that would define his career: who gets to participate?
He emerged not as a conventional engineer but as something rarer: a thinker who moved fluidly between circuits and communities, between code and culture. He was a multimedia artist who happened to solder, and an activist who happened to build networks.
As a Lila Wallace Fellow, Xavier spent time in Potosí, Bolivia and Abidjan, Côte d'Ivoire. Bolivia was so wired he could get wi-fi in the middle of the jungle — yet the technology wasn't changing lives. The connectivity was there. The power it should have delivered was absent.
He returned to San Diego with a mission and a method. In 2002 he founded Heads on Fire — dedicated to bridging the digital divide — and began taking tools directly to the people who needed them most.
In 2007, Xavier co-founded FAB LAB San Diego with Katie Rast — a collaboration between Heads on Fire and MIT — behind an unassuming storefront on 43rd Street. Laser cutters. 3D scanners. Circuit boards. Open-source software. And the constant invitation: you can make almost anything here.
The program was selected as a national model for teaching technology in out-of-school settings. In 2010 he extended the model globally with Designers for Humanity — an open-source invention framework for community-specific engineering problems.
Xavier carried his communities' voices onto stages where their futures were being decided — insisting that the people of City Heights deserved seats at every table.
Behind every credential was a man who played the piano, wrote music, and made things at the intersection of art and technology — because he believed the two had never truly been separate. His Soundwalk piece geotagged audio from a 433-meter span of his neighborhood, then used augmented reality to remap those sounds onto the coordinates of another city — hearing one place through another's geography.
His Twitter bio was three words: tracerouting the human network. He was always looking for where the signal dropped, where a community had been left offline — and routing around the damage.
He is survived by his mother, Janice Leonard-Peace; his sister, Rimoini Peace; his niece, India Cannon; and many cousins and extended family members who love him.