Bishop Anders was born in 1949 in Sorengo, Switzerland, of Swedish parents. He grew up in Lund in southern Sweden. He converted to Catholicism at the age of 20.
At the age of 22 he entered the Discalced Carmelites in Norraby. He studied in Bruges and Rome. He made Solemn Profession in 1977 and was ordained a priest in Malmo in 1979. While in Rome obtained a Licentiate in Theology.
Saint Pope John Paul II appointed him Bishop of Stockholm on 17 November 1998. He was ordained bishop on 29 December 1998. He is the only the second Catholic bishop of Stockholm and the first of Swedish origin since the Reformation.