Owner Erik Santiago opened Powerhouse Gym in South Hackensack in 2009.
Santiago is the private security guard for former UFC and WWE champion Brock Lesnar.
Powerhouse Gym's brand new facility will offer group fitness classes, flight hot yoga, spinning classes, kids conditioning, chiropractic/massage services, a full-service juice bar and more.
Powerhouse Gym, 91-97 McKee Drive, Mahwah.
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