Randy "RJ" Spurrier is a father of two, a tinkerer, and an avid outdoor enthusiast. He is the co-founder of GearLab and a rock climbing guidebook publisher, SuperTopo. RJ studied computer science at UC Berkeley and graduated with a degree in Robotics. He was formerly a Vice President at Adobe Systems, working there for five years after they acquired his Emeryville-based imaging software company. RJ holds a patent in digital imaging technology. When he isn't testing products or writing code for GearLab, RJ enjoys hiking, climbing, mountain biking, and doing robotics projects with his kids.
Author Profile
RJ Spurrier
RJ Spurrier
Senior Review Editor
Showing 1-15 of 43 by RJ Spurrier
The Hunt for the Best Headlamps
Need a headlamp? Our comprehensive review is here to help. We researched over 50 models before subjecting the best 27...
How to Layer Clothing to Keep Warm
Overview Enjoying the mountains to the fullest extent requires knowing how to dress. With the right clothes, an...
How to Choose The Perfect Headlamp
How do you determine the right headlamp for you? After putting 27 top headlamps through a detailed side-by-side review...
Editors' Choice
Black Diamond Storm Review
The Black Diamond Storm is a robust and full featured headlamp that offers a bright beam, a fully waterproof...
Editors' Choice
Black Diamond Spot Review
Winner of our Editors' Choice award and one of our favorite lights for general purpose use. Excellent performance at a...
Top Pick
Zebralight H600w Mk IV Review
With a bright wide beam, amazing battery life, and a durable design the Zebralight offers top performance that does...
The Best Bike Light Review
There's great debate on exactly which is the very best bike light. So who stacks up against who? We combined extensive...
Top Pick
Petzl e+LITE Review
This micro headlamp, the size of a small stack of quarters, is the lightest headlamp we know of and by a large margin...
Top Pick
Black Diamond ReVolt Review
The ReVolt wins our Top Pick award as the best rechargeable headlamp for travel, and an overall excellent product. It...
Best Buy
Petzl Tikkina Review
Clearly the best value in headlamps today. For around $20 you get lighting performance that is surprisingly good...
Top Pick
Black Diamond Wiz Review
Your kids love headlamps, and they want their own. This is the perfect light for them: not too bright so as to avoid...
Top Pick
Black Diamond Sprinter Review
Our Top Pick award for Runners, this is a light that is very thoughtfully designed to be perfect for urban use running...
Top Pick
Fenix HP25R Review
Sometimes you just need a super bright light. For those times, little else matters. It doesn't matter if the light is...
How to Layer Clothing for Each Season
Layering Systems In the last part of our three-part series on layering clothing we explain how to layer for winter...
Next >