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Meet The Team

Private, in-home personal training for executives and high-achieving professionals in Short Hills, Summit, Chatham & Madison, NJ.

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More About Jacob

Jacob Germansky

Founder & CEO

NPTI 500-hr diploma; NPTI Nutrition Consultant; NASM TRX & Kettlebell; Animal Flow; USAW.


Focus: pain-free strength, mobility/posture, efficient 60-min programming.

Train with Jacob
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More About Zahra

Zahra Zaidi

Marketing & Onboarding Specialist

Connecting people to the Jagged Fitness experience through personalized onboarding and thoughtful marketing campaigns that reflect the brand’s strength, discipline, and authenticity.

Contact Zahra
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More About Ralph

Ralph Schwerdtfeger

Personal Trainer & Performance Coach

NASM-CPT; Precision Nutrition L1; B.A. Sport & Event Management (Kean).


Focus: corrective strength, mobility, habit coaching for sustainable results.

Train with Ralph
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