The GripBoard Proudly Certifies:

 David Juma


As Having closed a Mash Monster Elite Gripper (Level 1) with one hand under strict and uniformly ethical and authenticated conditions

The certification is granted by the GripBoard as an independent third party with no ethical or commercial conflict of interest. The Mash Monster Gripper was one of a limited number supplied by, rated and qualified by, and controlled by the Board. This momentous feat was demonstrated before a qualified witness and videotaped to assure it will be valid for historical posterity.


Dave mashes the GripBoard Mash Monster Gripper - Level 1

Name: Dave Juma
Location: USA
Age: 29
Height: 6'
Weight: 230lbs
Date of Feat: 02-21-07
Witness: Mike Caruso
Videos (Windows Media): 

Link to Interview on Click Here
How Long Grip Training: Seriously for about 18 months
Current Grip Training Program: 
Other Training Info:
Strongman and Powerlifting
Acknowledgements: My family Marie, Alexandra, and Benjamin for putting up with me spending my nights away at the gym. My training partners Mike Caruso, Darin Heltemes, Matt Brouse, James Deffinbaugh, and Reese Olson for putting up with me while Iím at the gym, especially Mike for getting me into grip training, and Darin for putting up with our constant verbal abuse.

Dave Juma, the 36th Man in the World to close a Mash Monster Gripper - Level 1. 



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