 Complete the following phrase:  He claimed his first Swiss national title in 1982, sharing the 100 m title with the more established Franco Fähndrich in a time of 10.47 seconds. This led to his selection for the 1982 European Athletics Championships, where he was a 100 m semi-finalist. He ran a personal best of 10.42 in the 1983 season. He took his first win at the Swiss Indoor Championships in 1985, taking the national title in the 60 metres  he went on to win eight consecutive Swiss titles from 1985 to 1991. He made his global debut at the 1985 IAAF World Indoor Games and was a semi-finalist after having set a personal best of 6.66 seconds in the first round. He competed in the event at the 