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

6 Top-Performing Speakers from Our Tests Are on Sale for Prime Day, Starting at $42
Our audio expert told me which speakers are worth buying today from Bose, JBL, and other popular brands.

These Headphones Performed Better Than Apple's in Our Tests. Now They're 40% Off for Prime Day
I’m a DJ and music producer, and these are my absolute favorite over-ear headphones.

The 7 Best Headphones of 2026, Tested by Audio Experts
Looking for better sound, stronger ANC or a more comfortable fit? These are our Lab-tested picks.

The Best Dehumidifiers to Reduce Humidity and Mold
These dehumidifiers will keep your home dry over the long haul.

8 Best Colognes for Fall, According to a Fragrance Nerd
From viral TikTok favorites to underrated classics, these are the colognes I'm wearing this autumn.

These Expert-Approved Air Purifiers Deliver Cleaner Air in Every Season
We tested 60 models to find the best options for removing dust, pollen, air, odors, and more.

25 Best Gifts for Gamers, According to Gamers Themselves
Gamers of all ages will love these gifts ranging from storage to merch and travel gear.

The Age Rating Is Just the Beginning: A Parent's Guide to Buying Video Games
Age ratings aren't enough. Here's what experts say parents should know before buying a game.

These Kid-Friendly Console Games Are Actually Fun for the Whole Family
After testing 37 games for more than 5,300 hours, these are the titles that kept us coming back.

The Best Electric Razors for Men, Tested for a Close, Comfortable Shave
These are tops for a close, comfortable shave.

The Best Air Purifier and Humidifier Combos, According to Our Testing
These top-rated multitaskers clean the air in your home while maintaining healthy humidity.

6 Best Air Purifiers for Smoke That Actually Help Clean the Air
Our top picks will help clear the air of smoke from wildfires, cooking fumes, cigarettes, and other sources.