Only 44 years old

Strabag boss Klemens Haselsteiner passes away

Klemens Haselsteiner took over the management of the construction group just two years ago.(Bild: Strabag)

The son of investor Hans Peter Haselsteiner, Klemens Haselsteiner, died unexpectedly at the age of 44. This was announced by the construction group in a press release on Friday evening.

"It is with great sadness that we have to announce that the CEO of Strabag SE, Klemens Haselsteiner, passed away suddenly and unexpectedly today, January 17, 2025. The thoughts of all our employees are with his family," said the billion-euro construction group in a message to investors.

According to a company spokeswoman, Haselsteiner died of natural causes; no further details were given at this time.

Haselsteiner leaves behind three children
Klemens was the third eldest son of construction mogul Hans Peter Haselsteiner. He studied business administration at the University of Chicago and then worked for Strabag in Russia for five years and for the Strabag subsidiary Tüblin in Stuttgart for a further five years before being appointed to the Executive Board. The 44-year-old leaves behind three children.

He has been a member of the Executive Board since January 1, 2020 and Chairman of the Executive Board of Strabag SE since January 1, 2023. His mandate would have run until the end of 2026. Strabag is one of the largest construction groups in Europe. The other members of the Executive Board will temporarily take over the agendas for which Klemens Haselsteiner is responsible.

The Haselsteiner family holds 30.7 percent of the shares in Strabag SE, which is listed on the leading ATX index of the Vienna Stock Exchange. During his time as CEO, Klemens Haselsteiner pursued great visions and began to sustainably restructure the construction group, said the spokesperson.