Gavin Hayman

Executive Director - OCP


Gavin is honored to be the Executive Director of Open Contracting Partnership, a silo-busting collaboration across government, business and civil society to open up and transform public contracting and procurement. Gavin plans to reinvent one of the largest markets in the world – covering 1 in every 3 dollars spent by government – as a smart, user-centered digital service, improving trust, inclusion and sustainability.


Before joining the Open Contracting Partnership, Gavin was Director of Campaigns and then Executive Director of Global Witness. He oversaw the organization’s groundbreaking and award-winning investigative, campaigning and advocacy work uncovering secret deals, corruption and conflict around the world. He helped create the international Publish What You Pay campaign and negotiated the intergovernmental Extractive Industries Transparency Initiative to improve disclosure and oversight of over trillion dollars of oil and mining money paid around the world.


He is also an expert on illicit financial flows and helped lead global efforts to end the abuse of anonymous shell companies for money laundering and financial crime, including at the G8 and Open Government Partnership.


He has a Doctorate from the University of Reading and has worked with Chatham House in London and the United National Environmental Programme in the past on analyzing and investigating global environmental crime. Gavin is a 2021 Fellow of World Commerce & Contracting. for his work on improving trust and the emergency response to the Covid-19 pandemic