Founder and CEO of Sourcemap, the supply chain transparency company, Fast Company's Most Innovative Companies of 2023 and Time Magazine's Best Inventions of 2022. Leo is an advocate for just supply chains who has testified before the US Senate on technology to fight forced labor and has been named to Ethisphere's ‘100 Most Ethical People in Business Ethics.’ He is a tech pioneer, an inventor, an activist and an instructor with a PhD from the Massachusetts Institute of Technology and degrees from Columbia and MIT.

Op-Ed: A lot of certified products aren't, and that's about to change

How transforming the mica supply chain transforms lives

Interview: This Startup Is Mapping Where Our Stuff Comes From

Podcast: End-to-End Value Chain Mapping in a Global Crisis

Talk: Sourcemap @ MIT E14

Documentary: The truth behind mica

Is blockchain the answer for sustainability in the cocoa sector? TLDR: No

Article: What Supply Chain Transparency Really Means

Fixing chocolate’s troubled supply chain

Talk: Media Lab Startup Showcase

Announcing the Open Apparel Registry

Cocoa in the cloud: Traceability goes paperless in digital evolution

DNA of Supply Chain Software

Keynote: Bristlecone Pulse

Keynote: Radical Transparency @ MIT Consumer Dynamics

Product Autopsy (NYU Class)

TV:CBC Interview

Interview: Wall Street Journal Q&A

IDEAS Boston 2012
