Leonhard Gollwitzer, Dipl.-Ing., is CEO of Gollwitzer GbmH, a specialty pipe and shaft technology company based in Germany. The company has more than 25 years of international experience in the design and construction of jacking pipe and segmental shaft systems. The company’s project portfolio includes jobs in Europe, South America and Africa.
April 27-29, 2022
The Scottsdale Stadium