Alphasem, manufacturer of die attach and sort equipment, has appointed Hans Rudolf Meister as president. Gustav A. Wirz, founder of the company, has retired, but will remain on the board of directors. Meister joined in 1990 as executive VP operations. Heinz Ritzmann, former executive VP R&D, has been named executive VP operations. Olivier Carnal has been promoted to executive VP R&D. Beat Müller, formerly working for product management, has taken on the challenge of sales manager Europe at the headquarters in Switzerland. Philippe Gaille has been promoted to internal sales manager.
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