Singtrix – INC

If you’re a fan of Shark Tank, you may remember John Devecka and Eric Berkowitz. They are the founders of Singtrix, the New York-based maker of a voice-enhancing karaoke machine that promises that even Mr. Wonderful can sound like an American Idol contestant. On season six of the show, in 2014, the co-founders came out dressed like 1980s-era roadies, belting harmonies and flaunting Singtrix’s flashy audio effects.

Coterie Party – Refinery29

Daily Harvest duo, Linden Ellis and Sara Raffa, recently co-founded yet another chic lifestyle site — Coterie’s elevated party supplies are grouped into nine elegantly-designed sets of celebration essentials (from ombré balloons to garden-party candles and Italian-inspired dinnerware) that can be easily ordered based on the size of your bash.