Since the age of seven, Nestor began training under the tutelage of his father, who ran a training center in Ukraine for boxing, kick boxing, martial arts and self-defense. Nestor holds two National Boxing Champ titles and numerous regional wins.

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Boxing/kickboxing instruction consists of learning basic posture, punches, and body movement and goes onto more advanced combinations, mitt work, heavy bag work and more. Due to progress and ability, Nestor customizes each training session to effectively challenge each client at their own pace.