Belgian designer Glenn Martens was unveiled Wednesday as the successor to John Galliano as creative director of French fashion house Maison Margiela on a busy day of Haute Couture Week in Paris.

Belgian designer Glenn Martens was unveiled Wednesday as the successor to John Galliano as creative director of French fashion house Maison Margiela on a busy day of Haute Couture Week in Paris.

Martens, 41, is currently creative director at Diesel and was promoted internally from within the Italian fashion company OTB Group which also owns Maison Margiela. "I have worked with Glenn for ...