Marc Isler
Head of Project Development
“The energy transition happens in the details. Whether upgrading an existing building or starting from scratch, we design, integrate, and deliver systems that last.”
Marc Isler leads Qanta’s development of complex energy projects that combine multiple energy technologies. He also manages complete building upgrades, including structural extensions and integration of renewable technologies, ensuring projects deliver reliable heat and cooling for communities and businesses.
His career spans more than two decades in technical and energy infrastructure roles at Rolex, Alpiq InTech, Bouygues, and SEFA, where he oversaw design, construction, and operation of advanced energy transition projects. Marc combines hands-on experience in engineering with financial and contractual discipline, applying proven methodologies to deliver projects that meet performance targets and long-term cost stability.