Olaf Meier

RLG Systems AG engages in the provision of logistics networking, consulting and software solutions. It operates in the following business areas: automotive, electronics, industry and commerce, and construction. The company was founded by Achim Winter in 1998 and is headquartered in Dornach, Germany.

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.

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.

debitel AG provides mobile & fixed-line telecommunications services, internet and data services. It is a network-independent telecommunications company that offers mobile telephony, fixed-line telephony and the internet. It does all of this by purchasing capacity from various network operators, which it then supplements and combines to create its own products and packages. It works in Germany with the mobile telephony operators like T-Mobile, Vodafone and E-Plus. The company was founded in 1991 and is headquartered in Stuttgart, Germany.

ADC African Development Corp. AG provides finance and investment services. It specializes in private equity, financial services, banking, sub-saharan Africa, payment services, wholesale banking, retail banking, merchant banking and financial technology. The company was founded by Christian Angermayer and Dirk Harbecke on October 10, 2005 and is headquartered in Frankfurt, Germany.

Callista Private Equity GmbH (Callista Private Equity) is a private equity firm founded by Olaf Meier and Marc Zube in 2013. The firm is headquartered in Munich, Germany.

Callista Turnaround 9 GmbH operates as a holding company. The company was founded on March 21, 2014 and is headquartered in Munich, Germany.