Stephen leads the Corporate GHG Accounting Project at WRI, which seeks to develop (inter)nationally recognized best practices for greenhouse gas (GHG) emissions management for organizations. He is currently managing projects in Brazil and elsewhere to create GHG measurement tools for agribusiness.
He has led the development of a GHG accounting protocol for the US public sector (subsequently adopted by US federal agencies under EO 13514) and various accounting protocols and tools for specific industrial sectors, including the Chinese coal-fired power sector and metals production. Stephen has also assisted the creation of the GHG Protocol Brazil Program, a voluntary, corporate GHG reporting program in Brazil.
Stephen previously conducted academic research on ecology and population genetics. His research fields encompassed the spread of invasive species in the Caribbean and southern Africa, population demographic analysis, and speciation.
Stephen spent two years as a post-doctoral researcher with the Max-Planck Research Society in Germany. He holds a Ph.D. in Biology from the University of St. Andrews (Scotland) and a BSc. (Hons.) in Biology from the University of York (England).
