
Johannes Wassenberg
CEO & Founder
Jim Henley
CTO & Co-Founder


Over 25 years’ Financial Analytical Experience at Moody’s & Deutsche Bank: in-depth Sustainability Experience as COO of Moody’s ESG Solutions Ltd. (4 years), scaled an in-house start up from 3 to >1,000 employees, including 2 acquisitions, at Moody’s ESG Solutions Ltd.
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MD, Co-Head EMEA Bank Rating team from 2008-14; MD for EMEA CFG in 2006-7, and as bank and corporate analyst; as credit analyst at Deutsche Bank and assistant to Chief Economist.
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Graduated with First Class Economics Degree from Technische Universitaet Berlin. Former Captain in the German Parachute Regiment.
A dynamic and visionary leader with a proven track record of over 15 years in building and guiding high-performing technical and data teams.
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Adept at translating complex business needs into innovative technical solutions that deliver substantial business value.
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Holds a strong foundation in environmental science, with a deep passion for creating solutions that drive sustainability initiatives.
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MS in Hydrogeology with a specialization in numerical methods from Clemson University, USA.
Julien Sieler
Chief Data and Analytics Officer & Co-Founder
Patrick Mispagel
Advisor, Co-Founder (COO)


Analytics strategy and financial modelling specialist with over 20 years financial risk analysis expertise, including structured finance and corporate finance.
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Over 10 years data management and analytical product development leadership experience, e.g. as Head of Data and Analytics Services at T-REX Group from 2023 to 2024, and Managing Director - Analytical Tools and Solutions Group at Moody's Investors Service from 2020 to 2023.
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Graduated with Financial Engineering/Applied Mathematics degree from Ecole Centrale Paris.
Over 20 years of experience leading high-performing financial and ESG analytical teams, delivering exceptional service to clients across the US, Europe, and Asia.
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Extensive sector knowledge gained from collaborating with a diverse array of corporate, infrastructure, public finance, and sustainable finance clients.
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Proven expertise in designing and implementing data and analytical operations, optimising processes to ensure data quality, analytical rigour, and robust controls.
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Expert in designing and implementing new operational models and organisational structures, including organisational buildouts, acquisition integration, performance measurement, and culture development.
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MBA in Economics and Finance from NYU’s Stern School of Business.