Team

The people
behind Impactr.

Our core team works alongside expert advisors spanning sustainability impact and risk, finance and regulation, AI, and venture building.

Core Team
Ian Tellam
Ian Tellam
Founder

Sustainability strategist and science advisor with 25+ years of senior and leadership experience in 30+ countries.

Paul Spencer
Paul Spencer
Technical Lead

Senior AI engineer with 25+ years across the financial, energy, and gov-tech industries.

Kate Chukaeva
Kate Chukaeva
Marketing & Comms

Communications strategist across technology, public relations, and digital marketing. Previously at Microsoft.

Nicolas Raspail
Nicolas Raspail
Design Strategist

Design strategist and facilitator, formerly Head of Design at Circle Economy.

Expert Advisors
Prof. Dr. Michiel Schaeffer
Prof. Dr. Michiel Schaeffer
Impact

Internationally recognised expert in impact, systems analysis, and modelling.

Dr. Richard Klein
Dr. Richard Klein
Risk

Internationally recognised expert in climate risk and vulnerability. IPCC Lead Author.

Guy Stiebel
Guy Stiebel
Finance & Regulation

Fintech entrepreneur and AI founder with expertise in financial regulation.

Lukas Kuijken
Lukas Kuijken
Ventures

Sustainability tech entrepreneur and venture builder.

Keith Wallace
Keith Wallace
Ecosystems

Builds innovation ecosystems connecting startups, investors and industry.

Oscar Kneppers
Oscar Kneppers
Mentor

Founder and former CEO of Rockstart, one of Europe's largest startup accelerators.

Development partner
Philip Gast
Philip Gast
AI Engineering

Founder of Adami and AI Foundry: engineering and platform development support.