2008   Ph.D. Geological and Environmental Sciences, Stanford University
2001   J.D. Virginia School of Law, University of Virginia
1998   B.A. Political Science and Philosophy, University of Florida | Phi Beta Kappa

University of California, Irvine   |   Department of Earth System Science
    Professor     2020-present
    Associate Professor     2016-2020
    Assistant Professor     2012-2016

Carnegie Institution for Science   |   Department of Global Ecology
    Senior Research Associate     2010-2012
    Postdoctoral Researcher     2008-2010

Stanford University   |   Department of Geological and Environmental Sciences
    Research Assistant     2004-2008

Watershed
    Chair of Science Advisory Board     2023-present
    Head of Climate Science     2022-2023

Near Zero
    Advisor     2017-present
    Co-Founder and Chief Scientist     2009-2017

The Climate Conservancy
    Co-Founder and Executive Director     2006-2010

Gray, Cary, Ware & Freidenrich, LLP (now DLA Piper)   |   Corporate and Securities Group
    Associate Attorney     2002-2004

State Bar of California
American Geophysical Union, Fellow
American Association for the Advancement of Science, Member
Global Carbon Project Member of Scientific Steering Committee (2020-)
National Climate Assessment Mitigation Chapter Lead of NCA5 (2021-2023)
Science Based Targets Initiative Member of Technical Council (2023-)
Environmental Research Letters, Editorial Board (2011-2019)
IPCC Contributing Author of AR6 (2019-2022)
AGU Mentoring Network, Mentor (2019-2022)

Highly Cited Researcher, 2019-2023
AGU James B. Macelwane Medal, 2018
ESA Sustainability Science Award, 2017
Cozzarelli Prize, 2015