About us

Tijs Beek
Principal, Energy Insights @ Sproule
Tijs Beek
Tijs leads Sproule’s Energy Insights practice, which guides clients through the complexities of the modern energy system. Tijs’ expertise spans strategy development and implementation, business planning, change management, energy systems, and market fundamentals.

Adrian Taylor
CEO and founder @ 4sing
Adrian Taylor
Adrian helps private and public sector clients by using foresight to find strategic solutions for today’s decisions. He conducts workshops that employ a variety of tools and methods. Adrian has run such projects in over 45 countries in 5 languages.

Nicole Ronsky
Marketing Manager @ Sproule
Nicole Ronsky
Nicole leads Sproule’s marketing efforts, focusing on brand development, strategic communications and effective partnerships. She also hosts the "Trilemma" podcast, discussing the complexities of the energy transition with industry experts.

Jens Konrad
Head of Key Accounts & Senior Consultant @ 4strat
Jens Konrad
Jens is a professional Futurist and Social Entrepreneur who aims to transform systems with foresight and data insights. At 4strat, he has been a senior consultant for five years, working with international public and private sector clients on foresight, AI, and platform-driven processes.

Sebastian Stölting
Strategy & Foresight Consultant @ 4Sing
Sebastian Stölting
Sebastian utilizes foresight methodology, integrating AI input and review, to support private and public sector clients in creating resilient strategies. He has run strategy and foresight projects in 14 countries across Africa, Asia and Europe.

Mehdi Khajeh
Energy Transition Strategy and Implementation Advisor @ Sproule
Mehdi Khajeh
Mehdi is a key contributor to Sproule's Energy Insights, specializing in reserve valuations, fair market value analyses, price forecasting, and expert witness projects. He also leads the red flag analysis for the Net Zero Emissions by 2050 initiatives.

Natalja Knauer
Senior UI Designer @ 4strat
Natalja Knauer
Natalja is a Senior UI Designer with six years of experience at 4strat who crafts user-centred, intuitive interfaces that elevate digital experiences. She collaborates closely with teams to translate complex needs into clear, engaging designs that support strategic decision-making.

Jonathan Buhl
Strategy Consultant @ 4sing
Jonathan Buhl
Jonathan supports his clients in developing strategic options that are ready for the future, utilizing customized foresight methods and tools. His global expertise spans various sectors and policy issues; he has worked in over 40 countries.

Anh Tuan Hoang
Senior developer @ 4strat
Anh Tuan Hoang
Anh Tuan is the core developer of 4strat and has been essential to 4strat’s growth, driving innovation and maintaining high standards in every project. His expertise and dedication have fundamentally shaped 4strat’s technology from day one.

Baldwin Cortes
Associate Energy Insights @ Sproule
Baldwin Cortes
Baldwin is a Machine Learning Engineer and Data Scientist specializing in renewable energy systems. As an Associate at Sproule, Baldwin uses machine learning to develop advanced energy models that generate strategic insights and solutions for the energy transition.

Christoffer Mylde
Senior Vice President @ Sproule
Christoffer Mylde
Chris heads Sproule's Corporate and Business Development, leading global growth strategies. With over 20 years of experience, he contributes and speaks frequently at industry events and conferences worldwide on critical trends in international energy markets.

Birthe Menke, PhD
Senior Foresight Consultant @ 4strat
Birthe Menke, PhD
Birthe is a design researcher and sustainable development specialist focusing on local implementation of global transformation frameworks. She is a Senior Foresight Consultant and 4strat's Head of Strategic Partnerships.

Diana Gert
UI Designer @ 4strat
Diana Gert
Diana is a UI Designer with four years of experience at 4strat. She specializes in creating visually and intuitive interfaces that blend aesthetics with functionality. At 4strat, she transforms concepts into digital experiences and engaging visual elements.

Petra Wiesbrock
Consultant @ 4sing
Petra Wiesbrock
Petra is a strategy consultant specializing in methodologies and tools for private and public sector clients. With over a decade of experience, she started her career in town planning and urban design before moving into development policy.