Activities:

Since April 2014, Abo Youssef is board member with joint signature in Swiss Renewables AG (established 2008) – a joint stock company dealing with acquisition and management of shareholdings in other companies. Address: Linderstrasse 16 Baar 6341. [source]

BS Altena AG, formed in 2010 and working in long-term real estate. Hassan Abo Youssef sits on its administrative board. The company is located at the same address as Swiss Renewable. [source]

Another company, Stahel Hardmeyer AG in Nachlassliquidation, was established by Hassan Abu Yusuf in 1967, along with several others. He retired from the company in 1997. It was launched with around CHF 2 million in capital, which was increased three times.

The last of which was on 23 September 1993, when it reached CHF 18.3 million ($20 million). The company works in wholesale and cotton textiles and owns many subsidiaries in several countries, including the UK and the UK Virgin Islands. It is headed by a Swiss citizen called Oliver Stahl.

Abo Youssef was also the vice-president of the League of Islamic Organizations in Zurich, from which he resigned in December 2010. [source]

He was also a member of the Muslim Community in Zürich, from which he resigned in June 2012. [source]