Jackie Willis

As Director, Sales in New York, Jackie leads Four Twenty Seven’s business development and growth strategy in the eastern United States.

Jackie has spent the majority of her career in analytical and portfolio management roles in corporate and municipal finance, in the securities and banking industries at institutions such as Prudential Capital Management, TIAA-CREF, TD and Wachovia (now Wells Fargo). Most recently, she served as a Solution Specialist covering the commercial and industrial (C&I) and commercial real estate (CRE) credit risk models for Moody’s Analytics.

Ben Boukhobza

As Director, Sales in the UK, Ben leads Four Twenty Seven’s business development and growth strategy in the United Kingdom and Ireland.

Ben leverages ten years of experience across various roles within the Commercial Group at Moody’s Investors Service (MIS). Most recently Ben led the EMEA Sales Support team, having previously held roles ranging from sales and account management to operations and technology.

Toshi Matsumae

As Director of Japan, Toshi leverages his 30 years of experience in sales and development to lead Japan operations and business development.

Having spent his career in financial services, Toshi has served as a Senior Advisor to S&P Global Platts, Japan President of FactSet, and Tokyo President for MSCI. Previously, he was Head of Goldman Sachs Pension Services Group Tokyo and has held several other roles in asset management and risk management firms.

Naoko Neishi

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.

Léonie Chatain

As Manager, Europe, Léonie supports European client deliveries, sales and marketing from Four Twenty Seven’s Paris office. She translates Four Twenty Seven’s data into user-friendly products and visuals and develops risk analysis for financial institutions, corporations and governments.

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

Lindsay Ross

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.

Yoon Hui Kim, Ph.D.

As Four Twenty Seven’s Managing Director, Global Client Services, Yoon provides oversight on all aspects of client engagements. She works closely with investors, corporations, and governments to assess financial and economic exposure to physical climate risks, support the integration of climate risk considerations into planning, and promote cross-sector dialogue to address physical climate impacts.

Yoon has over a decade of experience working with private and public sector entities in the US and globally to evaluate physical climate risks, identify adaptation and resilience opportunities, support adaptation planning, strengthen climate policy and governance, and build capacity. Prior to Four Twenty Seven, she worked with several State of California agencies to prepare the coastal implementation plan for the State’s adaptation strategy and supported the US Agency for International Development’s (USAID) efforts to integrate adaptation considerations into country and regional investments.