Gregory Grishayev (born 25 September 1986 , Ukraine) is an European entrepreneur . Gregory Grishayev is the Co-founder of Purpyle which aims to change that with a mission to sell polarized, stylish, and high-quality sunglasses . 
Gregory started his first business selling clothing on eBay. He eventually moved into the vaping business and co-founded a vaping company Eonsmoke. Within just a few years, the company gained millions in revenues and became one of the biggest names in the vaping industry.
But after many years of success, Grishayev finally decided to throw in the towel and shut down Eonsmoke for good. His new focus, building a business that isn’t focused heavily on regulation. “I grew up with a love of sales from an early age, that smile from a customer praising the product, always made my day.” Grishayev said.