Nikolas Greenwald
Data Engineer
As a data engineer in the Good Housekeeping Institute, Nik (he/him) works with all of our Labs to develop testing protocols and manage data collection and analysis. Before joining Good Housekeeping in 2022, Nik worked in the labs of MIT and Regeneron, working on projects ranging from chemical inventory and reporting to the development of bioassays. He holds a degree in chemical engineering from Northeastern University.
The Best Interior Paints of 2024
These top-tested brands and finishes can handle any surface in the home.
6 Best Dehumidifiers for Basements, Tested & Reviewed
Keep unwanted moisture and mold out of your basement.
8 Best Air Purifiers of 2024
Boosted by enhanced filtration, these air purifiers excel at reducing allergens like dust, pet dander, pollen and more.
18 Best Concealers of 2024, Tested by Experts
These are like magic wands that make undereye circles, dark spots and acne marks disappear.
9 Best Baby Monitors, Tested and Reviewed
According to real parents and our testing experts, these monitors are the extra set of eyes and ears you've always wanted.
The Best Car Air Fresheners to Keep Your Ride Smelling Fresh
Don't let those drive-thru fries stink up the place!
The Best Noise-Cancelling Headphones, Tested by Experts
Need to focus? Here's how to tune out distractions in seconds.
6 Best Air Purifiers for Allergies, Tested and Reviewed
Clear the air of dust, dander and other unhealthy allergens.
5 Best Dehumidifiers of 2024, Tested by Experts
Get rid of clammy air and musty odors from any room in house, including the basement.
17 Best Shampoos for Men of 2024
A good grooming routine starts with the right men's shampoo and conditioner.
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).
5 Best Humidifiers of 2024, Tested & Reviewed by Experts
Time to take a deep breath.
The Complete Guide to Makeup for Men
From shopping for products to applying them, the GH Beauty Lab's experts give the full rundown on men's makeup.
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.
How Much Does It Cost to Charge an Electric Vehicle?
In short, it's complicated. Here's what you need to know if you're considering switching to an EV.
5 Best Car Vacuums of 2024, Tested by Experts
Get every nook and cranny with these powerful cordless vacs.
8 Best Air Purifiers for Pets, Tested and Reviewed
Furry friends don't have to come at the expense of healthy indoor air.
7 Best Air Purifiers for Smoke, Tested and Reviewed
Our top picks will help clear the air in your hair of smoke from wildfires, cooking fumes, cigarettes and other sources.
5 Best Air Purifier and Humidifier Combo Units of 2024, Tested and Reviewed
Clean the air in your home while maintaining healthy humidity with one of these top-rated multitaskers.
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.
7 Best Microphones of 2023, Tested by Experts
Whether you're slaying the final boss in your Twitch stream, recording the next hit podcast or making your first single, these microphones have you covered for every vocal recording application.
8 Best Face Moisturizers for Men, According to Lab Testing
Our Lab tests evaluated how well these men's face moisturizers hydrated skin.
6 Best Waterproof Earbuds, According to Testing
Swimming, runs on the beach and even showers won't stop the music with these IPX7 and IPX8 buds.
AirPods Max vs. Sony XM5, Tested & Reviewed
Which pair of noise-canceling headphones are right for you? We put both pairs to the test.
8 Best Shower Speakers, Tested by Experts
Take singing in the shower to new levels with these safe, waterproof speakers.
6 Best JBL Earbuds of 2024, Tested & Reviewed
Earbuds for every day.
7 Best Earbuds for Working Out, Tested by Audio Experts
We analyzed these earbuds with our Lab's audio equipment and took them on runs to find the top performers.
The Best Christmas Light Projectors, Tested by Engineers
Save the stress and hassle of outdoor Christmas lights with these one-click laser and LED projectors.
13 Best Laptops for Every Need, According to Testing
From gamers to kids, these are the best laptops on the market for all types of users.
5 Best Wi-Fi Routers for Speedy Internet
Keep all of your smart devices running smoothly with these top-tested routers.