Heading the Middle East tax and family office practise from FFF's office in QFC. FFF provides fiduciary, family offices and international tax services.

SGJ assists international clients (incl but not limited to EU and Middle East families and family offices) with: - international tax matters- acting as in-house tax director/ general counsel- (re)structuring family's worldwide assets- family succession/estate planningFurthermore, SGJ connects investors and start-ups and acts as board member of charity, business operations and asset management entities

Check6 (www.check6wealth.com) is an independant fintech company that offers fully automated technology/ reporting solutions to HNWIs, family offices and banks to monitor and consolidate non-bankable and bankable assets to provide better insights in risks and performances.

Founded and managed a diverse team of tax professionals, assisting Middle East investment funds, SWFs, family offices and multinationals on international tax matters and succession planning aspect.

Partner International Tax and MENA Leader for Private Clients Services 2015 International Tax Review : "Peers report that EY's tax practice in the Gulf States is investing a lot in the region and growing aggressively. The team is led by Stijn Janssen, who fellow practitioners recommend for his abilities in corporate taxation. Janssen joined the firm 18 months ago after working with Loyens & Loeff. He oversaw many of the firm's large M&A deals, with local investors acquiring businesses abroad, especially in the luxury retail sector."

- 2008-2013 Dubai office- 2004-2008 Amsterdam office- 2001-2004 Tokyo office- 1998-2001 Amsterdam office