Background
Hertell, Karl Johan was born on June 25, 1939 in Helsinki. Son of Cajus and Marianne (Schauman) Hertell.
Hertell, Karl Johan was born on June 25, 1939 in Helsinki. Son of Cajus and Marianne (Schauman) Hertell.
Master of Science, Helsinki Institute Technology, 1966.
Managing director, Bang & Bonsomer, Helsinki, since 1966.
Married Marjut Partanen, October 30, 1977 (divorced 1999). Children: Julia Marjut, Livia Marianne.