About the Founder

Marcus Martinsson, M.Sc.

With over 20 years of experience at the intersection of data, technology, and finance, Marcus founded Finsait to deliver what large enterprises need most: clear, actionable intelligence with measurable P&L impact.

His background, holding an M.Sc. in theoretical physics, provides a deep, first-principles approach to complex problem-solving. This academic rigor has been proven in the real world through his leadership of large, high-performing data science teams at first-class organizations such as Accenture, NTT, and PwC.

Marcus brings a unique blend of scientific depth and executive-level consulting experience to every engagement.