team
Meet the Board, Staff, and Fellows that keep CSE at the forefront of sustainability research and policy.

JOHN TALBERTH, PH.D.
PRESIDENT AND SENIOR ECONOMIST
Areas of expertise: Benefit cost analysis, non-market valuation, sustainability indicators, policy design, carbon accounting, law and economics

John is the founder of Center for Sustainable Economy and currently serves as both President and Senior Economist. John coordinates consulting work with non-profits, businesses, universities, and government agencies seeking environmental economics expertise and analysis to support their sustainability initiatives and programs. He holds a Ph.D. in environmental and international economics from the University of New Mexico and master’s in Urban and Regional Planning from the University of Oregon.
DAPHNE WYSHAM
CLIMATE JUSTICE FELLOW
Areas of expertise: Campaign strategy, policy innovations, climate communications, technical writing, public engagement

Daphne is CEO of Methane Action and Coordinator of the Methane Emergency Brake campaign, leading international efforts to secure a just, binding global methane agreement that goes beyond the voluntary Global Methane Pledge. She is also a Climate Justice Fellow at CSE, where she co-developed the Fossil Fuel Risk Bonds policy, requiring polluters to pay for the risks they impose on communities and the climate. Daphne also directs This Land, a 501(c)(4) nonprofit advancing innovative environmental policies in Oregon and Washington.
AIMEE SAMARA KROUSKOP
SOCIAL SYSTEMS FELLOW
Areas of expertise: Qualitative research design, public participation and convening, policy implementation, advanced facilitation, cross-cultural collaboration, international relations

Aimee is a Social Systems Fellow with CSE. She provides qualitative research, facilitation, and participatory engagement expertise to help build responsive, equitable, and collaborative systems that align human wellbeing with ecological resilience. She has 25 years of experience working at the intersection of government, education, and the private sector, on policy implementation, cross-agency emergency relief, and the art of convening for purposeful collaborations, meetings, and events.
RICHARD MIETZ
BOARD VICE PRESIDENT AND POLICY ANALYST
Areas of expertise: Legislation, legal analysis, policy innovations, dispute resolution

Richard is CSE’s Vice President and Policy Analyst. He operates a private consulting practice engaging in legal research and policy analysis for various public interest non-profit organizations, including drafting proposed legislation for the New Mexico state legislature. As a former public interest attorney, he represented various public interest organizations in Freedom of Information Act lawsuits. He also served as a staff counsel and policy advisor for the New Mexico Public Regulation Commission.
NEJEM RAHEEM, PH.D
ENVIRONMENTAL ECONOMICS FELLOW
Areas of expertise: ecosystem services, indigenous communities, benefit cost analysis, non-market valuation, marine conservation, sustainability communication

Nejem is an Environmental Economics Fellow at CSE as well as Professor of Economics and Chair of the Marketing Communication department at Emerson College in Boston. He has worked with NOAA Sanctuaries to better integrate indigenous perspectives into marine sanctuary reporting, has worked extensively with traditional irrigators in New Mexico, and on integrating ecosystem services into drought planning in the US West. Nejem holds a Ph.D. in Environmental and Development Economics from the University of New Mexico.
SUSAN LEOPOLD, PH.D.
BOARD SECRETARY-TREASURER AND BIODIVERSITY FELLOW
Areas of expertise: Plant conservation, ethnobotany, natural history, regenerative agriculture

Susan Leopold is an ethnobotanist and passionate defender of biodiversity. Over the past 20 years, Susan has worked extensively with indigenous peoples in Peru and Costa Rica. She is the Executive Director of United Plant Savers and Director of the Sacred Seeds Project. Prior to working at United Plant Savers, she worked as a librarian at the Oak Spring Garden Library, specializing in digitizing rare herbals and botanical travel manuscripts. She is a proud member of the Patawomeck Indian Tribe of Virginia.
ANTHONTY K. ROGERS-WRIGHT
DIRECTOR AND ENVIRONMENTAL JUSTICE FELLOW
Areas of expertise: Community organizing, policy analysis, environmental justice, land use

Selected as one of the "Grist.org 50 People You’ll Be Talking About" in 2016, Anthony has over ten years of policy analysis, community organizing and outreach/advocacy experience, and works as a Policy Fellow with the Climate Justice Alliance. While serving as a policy analyst for various environmental consulting firms he specialized in land use, Clean Air Act and environmental justice compliance. He has led campaigns on affordable health care access, decreasing the income inequality divide, and civil rights for LGBT citizens.
KELLY O’HANLEY, MD, MPH
DIRECTOR AND HEALTH POLICY FELLOW
Areas of expertise: Public health policy, gynecology, reproductive health, infectious disease

Dr. Kelly O’Hanley, MD, MPH, has practiced clinical obstetrics and gynecology and has provided public health services in 38 countries, primarily in reproductive and maternal health. She served as an expert for courses at Harvard University. She assisted in a worldwide clinical trial of a novel antiseptic. She contributed to the US Army Medical Research Institute for Infectious Diseases’ work on developing drugs for Ebola and Marburg viruses. Kelly lives in Portland, OR where she is active with various climate-focused organizations.


