Staff

Lisa Sachs

Lisa Sachs

Director

Lisa Sachs is the Director of the Columbia Center on Sustainable Investment. Since joining CCSI in 2008, she established and now oversees the three areas of focus for CCSI: investments in extractive... more

Jesse Coleman

Jesse Coleman

Legal Researcher

Jesse Coleman is a legal researcher for the Columbia Center on Sustainable Investment, focusing on investment law and policy, natural resources, and the intersection between human rights and sustainable development. Prior to joining CCSI, Jesse worked with a diverse network of non-profit and research-based organizations, including the END Fund (a non-profit fund... more

Kaitlin Y. Cordes

Kaitlin Y. Cordes

Head: Land and Agriculture; Lead: Human Rights and Investment

Kaitlin Y. Cordes developed and leads the Columbia Center on Sustainable Investment’s work on investments in land and agriculture, as well as the Center's work on the intersection of human rights and international investments. At the Center... more

Paulo Cunha

Paulo Cunha

Director of Operations

Paulo Cunha is the CCSI's Director of Operations. In this capacity, he oversees much of the center's financial, administrative, and communications responsibilities, while contributing to research, strategic planning and project management. He is also an extractive industries transparency specialist... more

Brooke Güven

Brooke Güven

Legal Researcher

Brooke Skartvedt Güven is a legal researcher for CCSI’s work on international investment law and policy. She analyzes the contracts, legislation and international legal arrangements governing cross-border investments and the impacts that these frameworks have on sustainable development objectives. She also focuses on the intersection of... more

Lise Johnson

Lise Johnson

Head: Investment Law and Policy

Lise Johnson leads the Columbia Center on Sustainable Investment's work on investment law and policy. Her work at CCSI centers on analyzing the contractual, legislative, and international legal frameworks governing international investment, and shaping the impacts that those investments have on... more

Nathan Lobel

Nathan Lobel

Special Assistant to the Director

Nathan Lobel is the Special Assistant to CCSI's Director, Lisa Sachs. He supports a wide range of research and administrative projects in CCSI's three focus areas: investments in extractive industries, investments in land and agriculture, and investment law and policy. Nathan received his Bachelor of Arts in Political Science with high honors from... more

Nicolas Maennling

Nicolas Maennling

Senior Economics and Policy Researcher

Nicolas Maennling leads the economics and policy research at CCSI and is a development economist with experience in the public and private sectors. From 2011-2012, he advised the Ministry of Finance in Timor-Leste on issues including inflation, macroeconomic forecasting and fiscal sustainability... more

Tehtena Mebratu-Tsegaye

Tehtena Mebratu-Tsegaye

Legal Researcher

Tehtena Mebratu-Tsegaye is a legal researcher for the Columbia Center on Sustainable Investment. Her work with the Center focuses on sustainable investment in extractive industries, and land and agriculture. Prior to joining CCSI, she worked with Namati as a legal consultant on cases relating to large scale mining and agricultural projects. As an... more

Karl P. Sauvant

Karl P. Sauvant

Resident Senior Fellow

Karl P. Sauvant is Resident Senior Fellow at CCSI. In addition to his research at the Center, he also serves as an Adjunct Senior Research Scholar and Lecturer-in-Law at Columbia Law School; Fellow at the Academy of International Business; and Honorary Fellow at the European International Business Academy. He is also Guest Professor at Nankai University, China.... more

Nancy Siporin

Nancy Siporin

Executive Coordinator

Nancy Siporin is the Executive Coordinator of the Columbia Center on Sustainable Investment. Prior to joining CCSI, she worked in television production, in areas ranging from broadcast operations to publicity, before becoming a casting director and eventually, owner of an independent casting... more

Sam Szoke-Burke

Sam Szoke-Burke

Legal Researcher

Sam Szoke-Burke is a legal researcher for the Columbia Center on Sustainable Investment’s focus areas of land and agriculture, and extractive industries. He also specializes in the intersection of human rights and international investments. Prior to joining CCSI, Sam worked as a legal consultant for the Land, Environment and Development project at the Legal... more

Perrine Toledano

Perrine Toledano

Head: Extractive Industries

Perrine Toledano heads the Center’s focus on extractive industries and sustainable development. She leads research, training and advisory projects on fiscal regimes, financial modeling, leveraging extractive industry investments in rail, port, telecommunications, water and... more