Pro Tennis Player Vasek Pospisil on How Functional Mushrooms Changed his Life By Rida Ahmed By Rida AhmedView Author|September 30, 2020| Vasek Pospisil, Canadian pro tennis player, has dominated the tennis court for 13 years. Now, along with Russell Henderson and Justin Kates, he’s set his sights on the business world with the launch of his new venture, Hekate; a DTC... View this article.