Rombout Kerstens studied at Delft University of Technology, the Netherlands. After graduating, he worked in various positions in insurance and the IT industry. He was one of the three founders of the Delft-based investment software company Keyword Info Systems BV, and continues in his position as Managing Director. He gives frequent lectures on active investment and technical analysis, and writes for publications like 'Stocks & Commodities' and 'TradersClub Magazine' (Dutch).
Author of the book 'A Practical Guide to Indicators' (Keyword, 2009).