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 3 Best Waterproof Speakers for the Beach or Pool, According to a DJ Who Tested 15 Models
Wherever your summer takes you, take one of these top-tested waterproof Bluetooth speakers with you.
10 Best Concealers for Dark Circles, Hyperpigmentation, and Acne, According to Testers
These picks are worth every penny.
The Best Summer Colognes for Hot Days, According to a Fragrance Snob
From clean citrus scents to woody nighttime fragrances, these are worth wearing all summer.
The Best Dehumidifiers for Basements That Actually Last
Dank air and frigid temperatures are no problem for these tough performers.
I Was a Lifelong iPhone User—Until This Android Phone Won Me Over
I tested the Nothing Phone (4a) Pro for a month expecting to go back to my iPhone. I didn’t.
Fragrance Experts Dish on Top Cologne Trends
From skin scents to gourmands and experimental notes, experts share the ways men's cologne is evolving in 2026.
9 Best Colognes for Spring That Smell Fresh, Clean, and Expensive
Swap your heavy winter scents for these bright, fresh spring fragrances.
12 Cheap Colognes that Don't Smell Cheap
From scents under $30 to long-lasting standouts, these are the affordable colognes that punch above their price tag.
The 11 Best Colognes That Teens are Wearing Right Now
I smelled hundreds of colognes and asked parents about their teen's favorite colognes—here's the ones they're actually wearing.
5 Best Car Seat Covers to Match Your Interior and Keep It Looking New
A set of durable car seat covers prevents wear and tear and makes cleaning up crumbs and dog hair a lot easier.
6 Best Car Vacuums of 2025, Tested by Experts
Get every nook and cranny with these powerful cordless vacs.
