Frank de Lange founded Clairfield in the Netherlands (Vondel Finance) in 2004. He is active as an M&A advisor and investor. Frank studied business administration at the University of Groningen and at Copenhagen Business School in Denmark. Starting in 1993 he participated in the launch and growth of Deloitte Corporate Finance. In 2001 he became senior investment manager at NPM Capital in Amsterdam, one of the largest private equity firms in the Netherlands. At NPM Capital he was responsible for about ten participations, and was actively involved as a director in a number of others. Throughout his career Frank has been involved with more than one hundred companies and transactions in a variety of roles: as advisor, investor, director, or investment manager.