Date of birth: 14 June 1969
Playing career: Red Boys Differdange, FC Avenir Beggen, FC Etzella Ettelbruck
Coaching career: FC Etzella Ettelbruck, Luxembourg Under-21s, Luxembourg
• Holtz started his career with Red Boys Differdange, a club which today is part of successful outfit FC Differdange 03.
• A creative playmaker with a keen eye for goal, Holtz moved to Avenir Beggen in 1992 where he went on to win the domestic double in 1993 and 1994. He was chosen as Luxembourg's footballer of the year in 1993.
• Played until 2008 when, aged 38, he finished his career at Etzella having gone there from Beggen in 1999 to take over as player-coach.
• Led Etzella to promotion to the top flight in 1999, his first season in charge. Lifted the cup two years later but was relegated in 2002, only to bounce back immediately. Proceeded to reach the cup final in 2003 and 2004, although both ended in defeat.
• Having earned 55 caps for Luxembourg, he accepted an offer to coach the U21 national side in 2008. He was then handed the reins of the senior team following the resignation of Guy Hellers in August 2010.
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