Our Team

Open Source Tools for Climate Adaptation & Resilience

Outstanding Capability

Our team brings together more than 200 years of combined experience and world-class expertise in adaptation and resilience, data science, software development, economics, finance, policy, intergovernmental institutions and development assistance, and key sectors for AR, as well as in starting and growing successful technology ventures, product development and deployment, fundraising, marketing and communications, and partnership management.

Team Members

Anir Chowdhury

Anir Chowdhury

Board Member

Anir Chowdhury is a global leader in digital transformation, widely recognized for advancing digital equity, institutional innovation, and inclusive digital public infrastructure. As President of the DXGlobal Foundation, he spearheads global efforts to close digital divides and build systems that leave no one behind. With decades of experience at the UNDP and groundbreaking work in Bangladesh, he has championed whole-of-society innovation—strengthening institutions, empowering communities, and saving billions for millions of marginalized citizens. He combines grassroots insights with high-level policy influence from the Prime Minister’s Task Forces, the World Economic Forum, and UN committees to drive institutional reform, digital service delivery, and inclusive financing. He is the creator of the 9i Digital Transformation Framework and is authoring an AI-powered playbook to help governments and communities design inclusive digital futures. As Strategic Advisor to the Institutional Architecture Lab (TIAL), he supports governments, development agencies, and philanthropies in reimagining public institutions with cutting-edge tools and partnerships. He also serves as Advisor to Rangeet, a global edtech initiative enhancing children’s emotional and ecological well-being, and as Chief Scientist of JetPatch, where he is helping reimagine AI-powered enterprise management. Anir graduated magna cum laude in Computer Science and Applied Mathematics from Brown University, with postgraduate studies at Harvard, Columbia, Oxford, Bradford, and Boston University. He has been honored as a Rockefeller Foundation Bellagio Fellow, a Chevening Fellow, and Honorary Professor at UCL’s Institute for Innovation and Public Purpose.
Eduardo Mateos González

Eduardo Mateos González

Quantitative Analyst

Eduardo is a Quantitative Analyst at Alpha-Klima, with previous experience in the Financial Risk Management team at KPMG, working on the development and implementation of quantitative models for measuring and managing financial risks. He holds a Master’s degree in Financial Mathematics and a Master’s degree in Theoretical Physics from Uppsala University, and a Bachelor’s degree in Physics from the University of Valladolid.
Elena de Toledo Hernández

Elena de Toledo Hernández

Quantitative Analyst

Elena is a Quantitative Analyst focused on modeling and assessing physical climate-risk exposures in the banking and utilities sectors at Alpha-Klima. She holds a Master's degree in Mathematical Engineering from Universidad Complutense de Madrid and a Bachelor's degree in Applied Mathematics & Computer Science from Universidad Carlos III de Madrid.
Fitsum Gelaye

Fitsum Gelaye

Resilient Cities Network Liaison

Fitsum (Fitse) Gelaye leads Resilient Cities Network’s engagement in Africa, where she serves as Senior Manager of Programs. An urban designer and planner with over seven years of experience, she is passionate about building holistic resilience in African cities and strengthening the networks of people who make it possible. At R-Cities, Fitse works closely with member cities and resilience professionals across the continent—fostering partnerships, supporting program implementation, and advancing research on critical issues including water and energy resilience, sanitation, food security, and climate services. She also helps shape the Network’s capacity-building efforts, creating spaces for peer-to-peer learning and collaboration. Before joining R-Cities, Fitse taught as an Adjunct Assistant Professor of Urban Design at Columbia University, where her teaching and research centered on water-based urbanism and urban water resilience in African contexts. She also worked as a development strategy consultant with Dalberg Advisors in Addis Ababa. Fitse holds a Master in City Planning from the Massachusetts Institute of Technology and a BA in Architectural and Environmental Studies, with honors, from Mount Holyoke College.
Iván Ramón Sánchez

Iván Ramón Sánchez

Quantitative Analyst

Iván is a Quantitative Analyst specializing in portfolio financial metrics at Alpha-Klima. He holds a Master's degree in Mathematical Engineering and a Bachelor's degree in Physics and Mathematics from Universidad Complutense de Madrid.
José Manuel Carmona

José Manuel Carmona

Quantitative Analyst

PhD in Electronic Systems Engineering with a strong foundation in experimental methods, quantitative analysis, data science, and risk modeling. Experienced in developing and validating complex quantitative models, with a focus on applying machine learning techniques to solve business challenges. Proficient in Python, R, C and Monte Carlo simulations, with a proven ability to translate technical insights into actionable business strategies.
Juan Toro

Juan Toro

Data Scientist

Dr. Juan Toro is Managing Director of Arfima Financial Solutions and founder of Alpha-Klima. He holds a PhD in Econometrics from the European University Institute (Florence) and was a Marie Curie Fellow at Oxford. With extensive experience in finance, commodities, and risk management, he has led projects on energy market simulation and climate risk assessment, bridging academic research with applied innovation.
Kevin Bourne

Kevin Bourne

Board Member

Kevin Bourne has 30+ years of experience in finance and investing, having held senior leadership / Executive Committee roles at global institutions such as FTSE/LSEG, HSBC, and S&P Global Sustainable1. He has built companies and business units, and he has led modeling and product development initiatives. He was instrumental in developing the financial services industry’s leading models in the ESG domain.
Martxel Aranzadi

Martxel Aranzadi

Quantitative Analyst

Martxel is a Software Developer at Alpha-Klima with a strong focus on full-stack development. He holds a Bachelor’s degree in Software Engineering from Mondragon Unibertsitatea and a Master’s degree in Web Engineering from the Universidad Politécnica de Madrid.
Michael Cote

Michael Cote

Senior Advisor

Michael is a senior climate change adaptation and resilience specialist focused on finance, risk assessment, policy integration, and institional capacity building. He has led and implemented adaptation field activities in over 30 countries in collaboration with multilateral development banks, bilateral donors, CSOs, philanthropies, and private companies. He serves as strategic adviser to Adaptation Without Borders Transboundary Risk Initiative, African Development Bank, the Climate Bonds Initiative, UNFCCC/GGA Indicators Team, and Open Source Adaptation and Resilience Toolkit (OSCAR). Michael holds a Master’s of Environmental Law and Policy from Vermont Law School and a Master’s of Regional Planning from the University of Massachusetts-Amherst.
Nelson Gonzalez

Nelson Gonzalez

Board Member

Nelson Gonzales has for 25+ years leveraged technology, entrepreneurship, public policy, research, and capital markets to drive social and environmental impact at systemic scale. Nelson was Global Head of Impact Computing at Amazon Web Services, where he managed R&D in areas including Decision Intelligence for Climate Risk, Agriculture for Food Security, and Healthcare Analytics. He was Chief Commercialization Officer at HUM.AI, an innovator in Gen-AI powered Earth Observation solutions, Co-Founder of Declara, a venture-backed collaboration AI platform, Chief Strategy Officer of the Stupski Foundation, and Founding Director of the Royal Institution World Science Assembly.
Nick Kellett

Nick Kellett

Software Developer

Nick Kellett, Founder & CEO of Deploy Software Solutions, is a software technologist, entrepreneur, and educator with more than 30 years of international experience in consulting and software development. As Founder and CEO of Deploy Software Solutions, he leads pioneering efforts to harness Earth observation and ground data to help communities prepare for, respond to, and recover from climate impacts and natural disasters. Nick brings deep expertise in cloud architectures, big data, and Earth observation projects, with a particular focus on climate resilience and physical risk. Passionate about bridging the gap between technical and non-technical audiences, he combines innovative technology with proven best practices to deliver impactful, scalable solutions that strengthen global resilience.
Treat Harvey

Treat Harvey

Fundraising Advisor

Treat (she/her) has spent the last 30 years as a nonprofit fundraiser. She is currently at the Museum of Durham History and prior to that worked for several other Durham organizations, including Durham Arts Council, Duke University, Emily K Center, Carolina Theatre of Durham, Inc., Triangle Community Foundation, and Student U, as well as the International Youth Foundation (Baltimore, MD) and Smith College (Northampton, MA). Prior to moving to Durham in 1995, Treat worked in sales and marketing for a French hotel company in New York. Treat is currently a member of the Rotary Club of Durham, AFP, and St. Philip’s Episcopal Church in Durham, where she is chair of the parish’s annual stewardship campaign. Over the years, she has been a member of the board of Mallarmé Chamber Players and Durham Crisis Response Center; on the City of Durham’s Cultural Advisory Board; and on steering committees of the Smith College Club of the Triangle and the Samuel DuBois Cook Society at Duke University. She has provided pro bono fundraising guidance for the Pauli Murray Project, Preservation Durham, LEAP (Latino Educational Achievement Partnership), Maureen Joy Charter School, the LGBTQ Center of Durham, Swim for Charlie, and Book Harvest, among other organizations. Treat graduated from Smith College with a degree in French Language & Literature; participated in Leadership Durham; and received her Certificate in Non-Profit Management from Duke University’s program in continuing education.
Truman Semans

Truman Semans

Founder & CEO

Truman Semans is a leader, strategist, entrepreneur, investor, and team builder with 30+ years of experience at the intersection of finance, business, technology, and policy/regulation with climate, nature, and sustainability. He has a proven track record of founding and managing successful organizations and initiatives, including OS-Climate, for which he served as CEO from 2018-2024. His prior positions span government, the private sector, and NGOs, including with the US-Treasury Department and McKinsey.
Wilder Semans

Wilder Semans

Associate

Wilder Semans is an Associate at OSCAR, where she coordinates cross-functional teams and manages project delivery to advance open-source tools for climate adaptation and resilience. She recently earned a BA in International Studies from Leiden University, focusing on economics, sustainable business and finance, and Africa studies, and is now pursuing an MA in Global Risk at Johns Hopkins SAIS. Her experience includes roles with RBC SRI Wealth Management and OS-Climate, spanning sustainable finance, ESG research, and climate technology. Wilder is passionate about bridging technical data with stakeholder needs to make climate risk insights more accessible and actionable for governments and communities worldwide.

Our Values

Collaboration

We believe in the power of open collaboration and knowledge sharing to solve complex climate adaptation challenges.

Transparency

All our work is open and transparent, ensuring accountability and building trust with the communities we serve.

Innovation

We continuously innovate and improve our tools based on real-world feedback and emerging climate science.

Impact

Our ultimate goal is to create measurable, positive impact on climate adaptation efforts worldwide.

Join Our Team

We're always looking for passionate individuals who want to make a difference in climate adaptation. Join us in building tools that help communities worldwide.