Performance Freediving International (PFI) is a freediving training agency founded in 2000 by Kirk Krack. Krack coached World Champion Freedivers, Mandy-Rae Cruickshank and Martin Stepanek.
Performance Freediving International (PFI) is a freediving training agency that was established in 2000 by Kirk Krack. This organization mentored World Champion Freedivers such as Mandy-Rae Cruickshank and Martin Stepanek.