...teaching, motivating, innovating, and always inspiring.

He’s considered the Calabasas Top Personal Trainer & Fitness Instructor. He defines himself as a Fitness Trainer and a Personal Power Coach. He’s also an entrepreneur, a father, and a husband. He’s mostly known as "Mister G"!

Onadja opened his own martial arts (yes, he’s also a Master Black Belt) & fitness studio in 1997 in Agoura Hills, California and conducted group fitness classes, martial arts & self-defense programs, and personal training sessions for over 12 years.
During this relatively brief period, Mister G created and taught his highly acclaimed gTonnicks, gBoxer's Workout, and his individual Empowerment program. He's produced over 15 Black Belt students and shaped up countless bodies.
During this relatively brief period, Mister G created and taught his highly acclaimed gTonnicks, gBoxer's Workout, and his individual Empowerment program. He's produced over 15 Black Belt students and shaped up countless bodies.

In 1998, Mister G was voted “Most Motivational Instructor” by the L.A. Daily News readers. In 2004 he received his 1Oth Degree Master Black Belt in 2004 and induced in the USA Martial Arts Hall of Fame. Mister G also holds a Business Degree from the Kaplan University and a Doctorate in Oriental Philosophy and Martial Arts Science.
His past and current celebrity clients include, Julianne Nicholson, Katherine Heigl, Nikki Sixx, Nia Peeples, Ernie Hudson, Tia and Tamera among others.
His past and current celebrity clients include, Julianne Nicholson, Katherine Heigl, Nikki Sixx, Nia Peeples, Ernie Hudson, Tia and Tamera among others.

Recently (in 2017), Mister G received the Medal of Excellence from the U.S. Army Commander for his performance as a Motivational Presenter for the U.S. troops.
Mister G's credentials include:
- Personal Training Certification through the American Council on Exercise (ACE)
- CPR / AED Certification via American Heart Association
- 2nd Degree Tae Kwon Do Black Belt from the Taekwondo World Headquarter (Kukiwon) in Seoul, South Korea
- 10 th Degree Sajora Master Back Belt by the panel of the USA Martial Arts Hall of Fame
- Specializing in Fitness Nutrition
MISTER G SERVICES
NOTE: Mister G does not accept new clients at this time, however special requests are always considered. Either way, please feel free to contact
Mister G at anytime.
Mister G at anytime.
Private Fitness Training
Transform your body, improve athletic performance, or specific target such as core strength, hips & buns shaping, agility & speed.
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Martial Arts / Self-Defense / Combat
Self-discipline, self-esteem, self-confidence building, or combat strategy for MMA competition, and personal protection skills.
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Personal Power Development
Achieve success, happiness, and balance and NEVER experience defeat again!
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RATES*
* Subject to change and based on the Calabasas location only.
Private Fitness Training
Hourly
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Half hourly
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Single Session: $95
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Single Session: $65
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Private Martial Arts / Self-Defense / Combat Training