Klaus Lässer

EY World Entrepreneur Of The Year™ 2026 finalist, Austria
CEO, ILF Consulting Engineers

Klaus Lässer is guiding ILF’s global engineering reach toward a sustainable future.

Klaus Lässer leads ILF Group with a clear commitment to responsible, long‑term entrepreneurship. As the second‑generation CEO of the family business, he blends continuity with forward‑looking ambition, guiding the company’s evolution while staying rooted in its founding values.

ILF is an internationally active, independent engineering and consulting firm that supports complex infrastructure and industrial projects around the world. With more than 3,500 employees at over 45 locations, the company delivers integrated planning, consulting and project management services across energy and climate protection, water and environment, transportation and urban spaces, and sustainable industry.

Klaus has made sustainability a defining element of ILF’s strategy — a shift that initially met internal resistance but ultimately reshaped the company’s long‑term direction. Under his leadership, ILF has committed to operating as climate‑neutral by 2040, supported by voluntary sustainability reporting and transparent dashboards that keep employees closely connected to the company’s progress.

Focused on quality and reputation over rapid expansion, Klaus aims to deliver infrastructure solutions that create lasting societal value. His leadership reflects ILF’s vision to be “a leader in improving the quality of life around the globe.”