Renesco
Stefan Lemke has extensive work experience in various roles and industries. Stefan started their career at Naue Fasertechnik GmbH in 1998 as a Product Manager and Construction Manager. Stefan then moved on to G quadrat Geokunststoffgesellschaft mbH/ AGRU Kunststofftechnik GmbH, where they served as a Global Sales Manager and Key Account Manager from 2001 to 2004. In 2005, Stefan joined Sika Schweiz AG as a Global Sales Manager for Tunneling & Mining. Stefan then transitioned to Sika Services AG in 2007, where they held positions such as Corp. Market Field Manager Infra-Waterproofing and Corp. Key Owner Manager. In 2016, Stefan became Deputy CEO at Renesco Group and later assumed the role of CEO. With their diverse background and experience, Stefan has developed a strong skill set in various areas of business management and sales.
Stefan Lemke completed an EMBA degree in Business, Management, Marketing, and related support services from the University of Zurich from 2009 to 2011. Additionally, they obtained a Diplom-Ingenieur degree in Civil Engineering from RWTH Aachen University. Further details about the start and end years for the latter degree are not provided.
Renesco
WATERPROOFING Our specialized division for all kind of sealing operations in underground structures against pressurized and non-pressurized water. Main areas of application include national and international large-scale projects in tunneling and infrastructure. KEY AREAS OF EXPERTISE: - Developing concepts and solutions - Sealing of underground structures - Water and frost protection - Sealing of hydraulic and environmental structures - Rehabilitation works INJECTIONS AND GROUTING The state-of-the-art equipment for injection operations in underground construction, excavation and subsoil work has a number of applications. These include also injections into hard or unconsolidated rock using cementitious and chemi cal injections for contact, sealing and consolidation works, as well as passive pre-stressing of concrete inner shells in penstock galleries. KEY AREAS OF EXPERTISE: - Developing concepts and solutions - Monitoring and Data management - Compensation Grouting and Ground Stabilisation - Curtain Injection and Contact Grouting - Injections into hard rock and unconsolidated rock - Rehabilitation works - Permeation Grouting