About Omni-Active® Fitness

Your Partner in In-Home & Virtual Personal Training

Founded in 2012, Omni-Active® Fitness brings professional fitness coaching directly to you—wherever you are. We specialize in concierge-level training for individuals, teams, and entire organizations, helping clients across the country achieve results through customized workout plans, nutrition guidance, and personal accountability.

Our Mission

To empower individuals through expert-led strength training, fat loss, and wellness programming that delivers measurable progress. We’re here to help you move better, train smarter, and live stronger—whether you’re starting from scratch or leveling up.

Our Values

I

Integrity:
Do the right thing. With clients, partners, and each other. No shortcuts, no gimmicks.

M

Mission-Driven:
Every action ties back to our mission: making fitness accessible, engaging, and results-driven for individuals and companies.

P

Progress:
Focus on growth. Help clients progress physically, help companies progress culturally, and help ourselves progress personally and professionally.

A

Accountability:
Own the outcome. Results matter, and we hold ourselves accountable to deliver on promises made.

C

Connection:
Build real relationships. With clients, employees, and communities. Connection drives trust, retention, and impact.

T

Tenacity:
Stay relentless. We keep pushing when it gets hard—whether in the gym, in business, or in life.

Our Story

What began as a local mobile training service in 2012 has grown into a full-scale fitness movement. Omni-Active® was created to fill a gap: real, results-driven personal fitness coaching that adapts to your life—not the other way around. With the rise of remote work and hybrid schedules, we saw the need for accessible personal training programs that blend convenience with science-backed strategy.

Our founder, a seasoned certified personal trainer, built Omni-Active® on the core principle that everyone deserves high-quality, personalized support—no matter their schedule or fitness level.

Omni-Active® Fitness coaching team standing together and smiling in branded activewear

What Makes Us Different?

Unlike one-size-fits-all programs, Omni-Active® offers real-time, results-oriented coaching with:

  • Custom fitness routines crafted around your needs and schedule
  • Flexible training options: in-person, virtual, or hybrid sessions
  • Built-in tools like our progress tracker, macro calculator, and activity tracker
  • Ongoing support from a real, certified online fitness coach—not just any regular fitness app

Meet The Team

Omni-Active® trainers and nutrition coaches are first-class professionals, chosen as much for their personalities as for their skillsets.

Nithanial Decker, owner of Omni-Active® Fitness, headshot

Nithanial Decker
Founder & CEO

Joh headshot

Josh
Market Director
Lead CPT

Chris Romeo
Market Director

Mary headshot

Mary
CPT / Nutritionist

Guillermo Headshot

Guillermo
Market Director
CPT / CSCS / Strength + Conditioning

Jimmy. Market Director of Omni-Active® Fitness, headshot

Jimmy
Market Director
MS, CSCS, CPT

Nicole headshot

Nicole
CPT

Daniel headshot

Daniel
CPT

Dora
CPT

Amy headshot

Amy
CPT / Nutritionist / Marketing Specialist

Steve headshot

Steve
CPT / Strength + Conditioning

Jenna Headshot

Jenna
CPT

Nicholas Famageltto
CPT