Our Team

Our team comprises highly qualified professionals with backgrounds in climate and environmental science, economics, finance, data analytics, engineering, policy analysis, and international development.


Emilie Mazzacurati, Founder and Chief Executive Officer

Contact | (415) 930-9090, ext: 1001
EducationMaster of Political Science, Institut d’Etudes Politiques de Paris; Master of Public Policy, The Goldman School of Public Policy, University of California, Berkeley

As a pioneer of the incorporation of climate science into decision-making in the private and public sectors, Emilie founded Four Twenty Seven in 2012 to help businesses and communities understand the risks from climate change and develop effective resilience strategies.

An expert in climate adaptation and resilience, she is a frequent speaker at international events on climate risks and opportunities, has published extensively on climate policy, and teaches at the University of California, Davis on Business & Climate Change. She served as a member of California’s Technical Advisory Group for the implementation of Governor Brown’s Executive Order on climate change (EO B-30-15) and was Head of Carbon Analysis at Thomson Reuters Point Carbon. Emilie received the Visionary Award from the City of Berkeley, CA in 2016 and was a finalist for the Cartier Women’s Global Initiative for women entrepreneurs in 2014.

Colin Shaw, Chief Operating Officer

Contact | (415) 930-9090, ext: 1004
EducationMaster of Development Practice, University of California, Berkeley; Certificate of “Engineering and Business for Sustainability,” University of California, Berkeley; Bachelor of Science in Mathematics, University of Massachusetts, Amherst; Enrolled Actuary with the Internal Revenue Service

As Four Twenty Seven’s Chief Operating Officer, Colin oversees operations, finances, and leverages his dual background in business and climate change to coordinate the development of Four Twenty Seven’s climate risk intelligence platform

Prior to Four Twenty Seven, Colin spent eight years in Transaction Services at PricewaterhouseCoopers, working on over 200 mergers and acquisitions ranging in size from $5 million to $40 billion in enterprise value. He has over 15 years of experience in mergers and acquisitions, business risk and exposure, and actuarial science in the private sector.

Frank Freitas, Chief Development Officer

Contact | (415) 930-9090, ext: 1006
EducationMaster in Asian Studies, University of California, Berkeley; Bachelor of Science in Operations Research & Accounting, University of California, Berkeley

As Chief Development Officer, Frank draws on his nearly 30 years of experience in the financial services industry to guide the product development agenda for Four Twenty Seven’s diverse client base.

Having spent his career developing award-winning solutions for global institutional investors, Frank is a seasoned veteran of product management and strategic planning.  He founded Pluribus Labs, a research and analytics firm devoted to the translation of unstructured data into investable signals. Frank has also served as Chief Operating Officer and Head of Product Strategy at Instinet and in the product management organization at MSCI (then Barra).

Lisa Stanton, Chief Revenue Officer

Contact | (415) 930-9090
EducationBachelor of Business Administration, Southern Methodist University; Chartered Financial Analyst (CFA)

As Four Twenty Seven’s Chief Revenue Officer, Lisa oversees sales, client support, marketing and professional services globally. Lisa brings over 25 years of experience in sales and client services for data analytics and investment products in the financial sector.

Previously, Lisa spent twelve years with Barra, Inc. leading their client service, sales, consulting and partner relationships globally.  She has also led investment strategy and client relationship teams for Blackrock, AXA Rosenberg and, most recently, Grantham, Mayo, Van Otterloo, Inc., working with many of the world’s leading institutional investors.

Yvonne Burgess, Chief Systems Architect

Contact | (415) 930-9090
EducationMaster of Science in Systems Management in organization development and information technology, University of Southern California; Bachelor of Business Administration, National University

As Chief Systems Architect, Yvonne leverages her 25 years of experience in strategic systems planning to guide the development of data architecture and the development of secure online business intelligence solutions.

Prior to Four Twenty Seven, Yvonne supported all phases of systems development, from design through implementation, blending deep technical expertise with strategic planning and thought leadership. She translated the complexities of full supply chain economic input-output and environmental modeling for start-up Climate Earth, Inc. and as co-founder and COO of Apisphere, Inc. she helped conceive and launch location-awareness services for mobile business applications and devices. Yvonne also served as COO of Meedan, Inc., during their critical early growth.

Klaus Fabian, Vice President of Engineering

Contact | (415) 930-9090
EducationMaster of Business Administration, Haas School of Business, University of California Berkeley; Diploma of Computer Science, RWTH Aachen, Germany

As VP of Engineering, Klaus draws on more than 25 years of experience in new product development to build Four Twenty Seven’s data platform.

Klaus co-founded and served as CTO of Incorta, a business intelligence and analytics software provider funded by Google Ventures and Kleiner Perkins. Previously he managed business intelligence and reporting software at Oracle, including BI Publisher and served as product manager for the Aegis Equity Portfolio Risk Analysis suite at MSCI (then Barra).

Nathalie Borgeaud, Director, Europe

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EducationMaster of Business Administration, HEC Paris; Master of Science, Ecole des Mines de Paris; Licensed landscape architect, Ecole du Paysage de Versailles.

As Director Europe, Nathalie leverages her 30 years of experience in the banking industry in the U.S. and Europe to lead Four Twenty Seven’s work with financial institutions, corporations and governments in Europe.

For ten years Nathalie shaped the climate, environment and sustainability strategy of BNP Paribas Corporate and Investment Bank, in coordination with other main European financial institutions. She previously served as its Chief Innovation Officer after a fifteen year career as an investment banker focusing on emerging technologies for BNP Paribas and on emerging markets at Citi. Nathalie teaches sustainability and advises on related curricula development at Mines Paris Tech.

Yoon Hui Kim, Ph.D., Global Head of Client Services

Contact | (415) 930-9090, ext: 1002
EducationMaster and Ph.D. in International Development, University of Oxford; Bachelor of Science in Foreign Service, Georgetown University

As Director of Advisory Services, Yoon works with local and state governments to deliver climate vulnerability assessments and adaptation policy consulting, and also supports partnerships and business development.

Yoon is an adaptation expert with ten years of experience supporting the integration of climate change into decision-making. She is a member of the American Society of Adaptation Professionals and served as a reviewer for the Asia chapter of the Intergovernmental Panel on Climate Change’s Fifth Assessment Report (AR5). Previously, she supported several projects at the U.S. Agency for International Development focused on integrating adaptation into planning and policy-making.

Nik Steinberg, Director of Analytics

Contact | (415) 930-9090, ext: 1003
EducationMaster in Water Resources Management, American University; Master in Natural Resources and Sustainable Development, United Nations Universidad para la Paz; Bachelor of Arts in International Development and Business Economics, University of Oregon

As Director of Analytics, Nik leads the research team and guides the modeling efforts to assess the attributable impact of climate change on human health, supply chains, infrastructure and the natural environment.

As a climate and water risk specialist, Nik focuses on ways to assess climate and development induced risk through advanced statistics, climate change models and impact evaluation methods. Previously, he served as an environmental risk specialist in South Asia, the Middle East and Central and South America and has conducted environmental impact evaluations for USAID, US Department of State, Pacific Gas & Electric, NASA and the Millennium Challenge Corporation.



Natalie Ambrosio, Editor

Contact | (415) 930-9090, ext: 1005
EducationBachelor of Science in Environmental Science, University of Notre Dame; Gallivan Program in Journalism, Ethics and Democracy, University of Notre Dame

At Four Twenty Seven, Natalie manages publications and communications, specializing in distilling technical information into actionable insights and analyses.

Natalie leverages her background in climate adaptation, communications and environmental sciences to inform  a wide range of audiences on scientific research and data that supports resilience-building across sectors. Previously, Natalie worked at the Notre Dame Global Adaptation Initiative (ND-GAIN) where she helped to develop a nationwide assessment of cities’ vulnerabilities to climate change and their readiness to adapt.

Léonie Chatain, Climate Risk Senior Analyst

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EducationMasters of Governing the Large Metropolis, Urban School of Sciences Po Paris; Bachelor degree in Political Science, Sciences Po Paris

Léonie works in Four Twenty Seven’s Paris office, supporting client deliveries and conducting research on climate-related risks in cities.

Léonie has a background in political sciences and urban data analysis. Previously, she provided consulting on urban sustainability for a French construction firm.

Colin Gannon, Senior Data Analyst

Contact | (415) 930-9090
EducationMaster of Arts in Climate and Society, Columbia University; Bachelor of Science in Environmental Science, Bryant University

At Four Twenty Seven, Colin assesses clients’ specific climate risk over space and time, helping to build products which integrate the most recent climate change datasets and research into a user-friendly interface.

Previously, Colin worked at the Red Cross/Red Crescent Climate Centre where he authored a report on near-term climate change in Zambia and its sector-specific impacts. Colin has a background in applied climate science, using computational statistics, geospatial analysis and business intelligence applications to process, analyze and communicate climate data.

Naoko Neishi, Operations Coordinator

Contact | (415) 930-9090 Ext. 1004
EducationBachelor of Arts in Geography, University of California Los Angeles

At Four Twenty Seven, Naoko supports senior management and works with the Operations Manager to achieve operational excellence.

Naoko has over 16 years of experience as a sales assistant and office manager in the United States and Japan, working in the financial and engineering industries.

Sara O’Connell, Operations Manager

Contact | (415) 930-9090, ext: 1004
EducationBachelor of Arts in Communications, Portland State University

At Four Twenty Seven, Sara keeps operations running effectively and supports business development and product management.

Sara has over five years of operations management experience in the technology sector and is passionate about building strong foundations and improving company systems. Previously, she held operational roles at startups ApplePie Capital and Pixalate.

Lindsay Ross, Macroeconomic Risk Senior Analyst

Contact | (415) 930-9090
EducationMaster of Arts in International Economics, Johns Hopkins School of Advanced International Studies; Bachelor of Arts in International Affairs and Bachelor of Arts in French, University of Georgia

At Four Twenty Seven, Lindsay analyzes the economic impacts of climate change on corporations and financial markets.

Lindsay studied at the Johns Hopkins School of Advanced International Studies (SAIS), focusing on Energy, Resources, and the Environment as well as International Finance and Economics. Previously she worked for the U.S. International Trade Commission, assisting with macroeconomic research on the impacts of international trade on the U.S. economy. She also has experience as Student Coordinator for the Frontiers and Energy, Science, and Technology at SAIS, leading groups of students on international research trips to study the effects of climate change around the world.

Andrew Tom, Business Data Analyst

Contact | (415) 930-9090, ext: 1006
EducationBachelor of Science in Environmental Science and Management, University of California, Davis

At Four Twenty Seven, Andrew supports the business data extraction process used in analyzing climate risk for companies and financial markets.

Prior to Four Twenty Seven, Andrew lead development of various data science projects and prototypes involving machine learning techniques, natural language processing and graph networks. Andrew also brings experience in policy from working in the California State Legislature and in nonprofit leadership capacities.

Josh Turner, Senior Data Analyst

Contact | (415) 930-9090
EducationMaster of Arts in Climate and Society, Columbia University; Bachelor of Science in Meteorology and Applied Mathematics, University of Miami

As a Senior Data Analyst, Josh curates datasets, applies data analysis and develops written and visual materials to convey clients’ specific climate risks.

Prior to Four Twenty Seven, Josh worked with the Red Cross/Red Crescent Climate Centre to establish a preliminary climate risk assessment for anticipatory humanitarian action in Lomé, Togo. Josh has a background in meteorology, climate data analysis and communication of complex scientific information.


Kate Gordon, Founder and former Executive Director, Risky Business

Kate Gordon is a nationally recognized expert on the intersection of clean energy and economic development. She advises Four Twenty Seven on climate risk for the economy and corporate resilience, and occasionally works directly as a senior consultant on client projects. Kate is also a Senior Advisor at the Paulson Institute, a nonresident Fellow at the Center on Global Energy Policy at Columbia University, and a regular contributor to the Wall Street Journal as one of the paper’s “Energy Experts.” She also serves on the boards of the American Jobs Project, Vote Solar, and the Center for Carbon Removal.

In 2013, Kate helped to found and lead the “Risky Business Project,” co-chaired by Michael Bloomberg, Henry Paulson, and Tom Steyer, and focused on the economic risks the U.S. faces from unmitigated climate change. Kate took on the role of Executive Director of the Risky Business Project as part of her broader role as Senior Vice President for Climate and Energy at The Center for the Next Generation, a non-partisan think tank based in San Francisco, where she worked on California policy development as well as large-scale national communications and research projects.

Earlier in her career Kate served as Vice President of Energy and Environment at the Washington D.C.-based Center for American Progress (CAP), where she helped develop and author policy recommendations related to the Congressional cap-and-trade negotiations, Gulf oil spill, and American Reinvestment and Recovery Act implementation. Prior to CAP, Gordon was the Co-Director of the National Apollo Alliance (now part of the Blue Green Alliance).

Kate earned a law degree and a master’s degree in city planning from the University of California-Berkeley, and an undergraduate degree from Wesleyan University.

Camille LeBlanc, Co-founder and former CEO, Roubini Global Economics

Camille LeBlanc has over 25 years of experience in creating next-generation content experiences as founder, investor, board member, and CEO of start ups that are at the intersection of independent research, media, and technology. As a strategic advisor to Four Twenty Seven, Camille brings extensive expertise in developing and growing innovative information-based businesses that range from global macroeconomic analysis and advisory services in financial markets to social content distribution platforms in consumer online publishing markets.

A serial entrepreneur, she has founded companies such as Roubini Global Economics, the leading independent global macroeconomic research and advisory firm serving public and private sector financial institutions around the world, including central banks, treasury ministries, hedge funds, asset managers, private equity firms, banks, and corporations.

She also founded an award-winning B2B social news and marketing technology platform, Blancspot Media, publisher of an industry-first social news application that rose to the No. 2 top selling news app in the U.S., ranked the top No. 5 top selling in 26 countries, and promoted as App of the Week worldwide. The company was selected as a top developer by Google, Apple, and Verizon. Investors in her companies include well-known financial sector and financial policy investors as well as a leading Hollywood film producer.

She serves on the board of both Roubini Global Economics and Blancspot Media. Camille has been working with or founding early stage companies since 1992 and is an advisory board member of the Berkeley Startup Cluster, a founding member of Women’s Entrepreneurs of Berkeley and the Proxy Board initiative. She has a BA in economics from the University of Massachusetts and an MA in Information Management Systems from UC Berkeley’s iSchool.

Josh Sawislak, Expert on Climate and Disaster Resilience

Josh Sawislak is an internationally recognized expert on climate and disaster resilience and sustainable development. He advises governments, corporations, international organizations, and NGOs on policy, implementation, and financial issues around building sustainable and resilient infrastructure in both the developed and developing world. As a strategic advisor to Four Twenty Seven Josh brings his expertise on infrastructure resilience as well as experience in business continuity planning and assessing and pricing disaster risk in financial portfolios and corporate facility assets. He is also a Senior Advisor to the Center for Climate and Energy Solutions (C2ES) and a professional affiliate of the Center Urban and Environmental Solutions (CUES) at Florida Atlantic University.

Josh served in the administration of U.S. President Barack Obama as the Associate Director for Climate Preparedness at the White House Council on Environmental Quality, where he developed U.S. federal policy on climate adaptation and resilience and worked with foreign governments and international organizations on multilateral and bilateral efforts.  He also served as a senior advisor to the Secretary of Housing and Urban Development (HUD) and led the development of the infrastructure recommendations for President Obama’s Hurricane Sandy Rebuilding Task Force.

After leaving the White House in 2015, Josh served as the global director of resilience for the infrastructure services firm AECOM. In this role, he worked across the entire enterprise of AECOM’s offerings in planning, design, construction, finance, operations, and development to help create and leverage resilient strategies to address sustainability, climate change, disaster preparedness, and enterprise risk management.

Josh is an environmental and transportation planner and a member of the American Institute of Certified Planners. He serves on the boards of directors for the National Institute of Coastal and Harbor Infrastructure and evacuteer.org. He earned a degree in political science from The George Washington University and a certificate in infrastructure development from the Harvard Kennedy School.