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Mervyn Etienne
Mervyn
Etienne
is an
English
karateka
. He is the
winner
of
multiple
European Karate Championships
and
World Karate Championships
medals
. Since
retiring
from
karate
competitions
Etienne has become a "cognitive
performance
coach",
physical therapist
and
co-founder
of Bio-Performance
Sciences
Ltd
.