Jörgen Johannes Sassen

Erich Friedrich Hüttenservice GmbH is a steel manufacturing private company based in Salzgitter, Germany. Erich Friedrich Hüttenservice GmbH specializes in the production of steel products. The German company was founded in 1990 and is currently led by CEOs Jörgen Johannes Sassen and Franz Rudolf Stallmann.

Friedrich Services GmbH manufactures and markets road and civil engineering materials. The private company is based in Salzgitter, Germany. The German company was founded in 1994. Jörgen Johannes Sassen has been the CEO of the company since 2018.

EF Holding GmbH provides comprehensive services to support the iron and steel industry in all aspects of industrial waste management, logistics of raw materials, refractory recycling, and cleaning of production facilities. The private company is based in Salzgitter, Germany. The FRIEDRICH GRUPPE is a leading service provider in the iron and steel industry and has been responsible for sustainable management of industrial by-products for over 60 years. The German company offers high-quality secondary raw materials that are often superior in quality to primary raw materials. These materials are suitable for use in the construction industry, agriculture, and other sectors. The CEOs of the company are Jörgen Johannes Sassen, Franz Rudolf Stallmann, Ralf Jeffraim.

Wasteland Investments BV is a privately owned investment company based in Amsterdam, Netherlands. The Dutch company focuses on investing in industrial SMEs, commercial real estate, and start-ups in the area of sustainability and healthcare. The company makes investments in the form of equity or senior debt in companies/projects with an enterprise value up to 30 million euros, facilitating buyouts or providing growth capital. Wasteland Investments is an active investor that supports its portfolio companies through its extensive business network, providing human resources and offering financial expertise. The company was founded by Jörgen Johannes Sassen, a Dutch national with a master's degree in corporate and commercial law from Leiden University and a master's degree in general management from Nijenrode University. Mr. Sassen has successfully founded and acquired several companies that provide services to the European steel industry, and in recent years, the scope of activities has been extended to include commercial real estate and start-ups with a sustainable and/or health focus.