After the death of Karl Leister , his wife Christiane Leister took over management of Leister Process Technologies in 1993 .
In the 1980s Leister was already active in Europe , Asia and Latin America .
After the death of Leister   , Leister 's wife Christiane Leister took over management of Leister Process Technologies in 1993 .
In the 1980s Leister was already active in Europe , Asia and Latin America .