Gabriel is the Head of the Nature & Market-Based Section at the UN Environment Programme. He has worked on environmental valuation, quantitative poverty analysis, and on integrating social issues into land use and biodiversity conservation policies.
Over the last decade, Gabriel has focused his work on promoting high-integrity carbon markets to support the transition to net zero. Gabriel is the Chair of the UNEP’s Carbon Market Group and represents UNEP at ICAO/CORSIA. He is also a Co-Chair of the Expert Panel of the Integrity Council for the Voluntary Carbon Market (IC-VCM).
Gabriel holds a degree in Biology from the University of Buenos Aires, Argentina, a master’s degree in Economics from New York University, and a Ph.D. in Environmental Studies from the University of California, Santa Cruz.

