Sonja Rossteuscher

Part of Atlas Mara Ltd., Altira ADC Management GmbH is a German company that provides investment services. The company is based in Frankfurt, Germany. Sonja Rossteuscher has been the CEO of the company since 2009. Altira ADC Management was acquired by ADC African Development Corp. AG from Heliad AG on November 30, 2012 for $5.58 million.

African Development Corp. GmbH & Co. invests in private companies in Sub-Saharan Africa, above all in the sectors of Banking, Financial Services, IT and Natural Resources. It follows long-term investment approach, practicing active hands on management of its portfolio companies so as to develop them in accordance with international best practices and build them into market leaders in their sector.

Tristone Flowtech Holding SAS engages in designing, engineering, and manufacturing flow technology systems. It offers engineering engine and battery cooling, air charge, and air intake products. The company was founded on May 21, 2010 and is headquartered in Carquefou, France.

African Development Corp. GmbH & Co. invests in private companies in Sub-Saharan Africa, above all in the sectors of Banking, Financial Services, IT and Natural Resources. It follows long-term investment approach, practicing active hands on management of its portfolio companies so as to develop them in accordance with international best practices and build them into market leaders in their sector.

TriStone Flowtech Germany GmbH engages in the manufacture and distribution of rubber and plastics products. The company is headquartered in Mannheim, Germany.