Martin Herrenknecht

$1.4B

$1.7M (0.1%)

as of 10/09/26

About Martin Herrenknecht

Martin Herrenknecht founded tunnel construction machine-maker Herrenknecht AG, in 1977.

He owns almost 96% of the business, with the remaining shares held by his brother.

Herrenknecht had sales of 1.2 billion euros in 2023, its most recent financial disclosure.

Projects built using Herrenknecht machines include the Doha Metro in Qatar, the New York City subway 7-line extension the 18-mile Chesapeake Bay Bridge-Tunnel in Virginia.

Personal stats

Citizenship

Germany

Source of wealth

Construction Equipment

Residence

Schwanau, Germany

Birth date

06/24/42 (age 84)

Self-made

self-made