Nikolas Greenwald
Manager, Data & Product Operations
Nik (he/him) works across GH Institute Labs to develop testing protocols, analyze data, and build tools that support product evaluation. He also contributes editorial coverage on men’s beauty and audio, drawing on his background in chemical engineering and experience as a music producer and DJ. Before joining Good Housekeeping in 2022, Nik worked in the labs of MIT and Regeneron on projects ranging from chemical inventory and reporting to bioassay development.
- Topic Specialties
Latest from Nikolas Greenwald

The Best Interior Paints of 2025
These top-tested brands and finishes can handle any surface in the home.

The 4 Best Laptops for College Students, Hand-Picked by a Mom of an Incoming Freshman
I've done my research — these are the MacBooks and PCs worth the investment.

2 Best Portable Photo Printers, Tested and Reviewed
Say goodbye to visits to the photo lab and hello to on-the-go prints from these compact instant printers.

3 Best Night Lights, Tested and Reviewed
Set your room aglow and banish monsters with these top-tested night lights for any age.

16 Best Shampoos for Men of 2024
A good grooming routine starts with the right men's shampoo and conditioner.

The Best Screen Protectors of 2024
These screen protectors come in versions for nearly every phone, giving your device an extra layer of protection.

6 Best Air Purifiers for Allergies, Tested and Reviewed
Clear the air of dust, dander and other unhealthy allergens.

6 Best Car Phone Holders, According to Our Testing
These phone mounts stay put over bumpy roads and in hot cars.

The Best Headphones for Running
Headphones and earbuds that actually stay put (and don't die halfway through your training).

The Best Walking Shoes for Men, According to Testing
From max cushioning to stability shoes, we found the most comfortable sneakers to wear all day.

3 Best Portable Chargers of 2024, Tested in Our Labs
Finally, the power banks you'll actually use.

The Best TVs for Gaming in 2024
Whether you're a PS5 pro or an Xbox expert, these TVs will level up your gaming setup.