Stef has many years of experience in investing and running a variety of companies, most recently as the CEO of Desso (since April 2007). He is the co-owner and partner of an asset management firm, and was, until 2009, Board Member of Sterling Strategic Value Ltd., a reputed investment firm taking positions in public companies. Prior to this, Stef was President of Europe, Middle East & Africa for Stanley Works, a US based S&P 500 company (1998-2000), and spent two decades at Procter & Gamble in senior leadership positions.