US-based leisure and marine group Brunswick has announced that John Stransky, president of its fitness equipment arm Life Fitness has resigned with immediate effect.

He will be replaced on an interim basis by Peter Hamilton, Brunswick's senior vice president and chief financial officer. Hamilton will be responsible for all Life Fitness business until a permanent successor is named.

Stransky took up the position of president of Life Fitness in 2006, following a 25-year career at Brunswick.

After joining the group in 1981 as product manager for pins, finishes and supplies at Brunswick Billiards, Stransky's roles at the company included president of Brunswick Billiards and president of Brunswick Bowling.

Dustan McCoy, Brunswick's chair and chief executive, said: "We wish to thank John Stransky for his many contributions to Brunswick over the years in our bowling, billiards, and fitness businesses. We wish him well in his future endeavours."

McCoy added that Brunswick will be considering a number of both internal and external candidates to lead Life Fitness.