Career
He is currently the head coach for Sport of the Finnish Liiga. Valtonen was drafted by the Detroit Red Wings as their second-round draft pick (56th overall) in the 1998 National Hockey League Entry Draft. Valtonen was born in Piotrków Trybunalski to a Polish mother and a Finnish father.
The family moved to Finland when Tomek was young, and he grew up in Kitee.
He started his pro career in Ilves in 1997 and played his next season with the Plymouth Whalers in the OHL, and returned to the Master of Science-liiga in 1999 and represented Jokerit until 2007, when he signed a two-year contract with Södertälje Saskatchewan. Valtonen returend to Master of Science-liiga and Jokerit for season 2008-2009.