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The Best Bar to . . . Find a Behind-the-Bar Mentor: Marquee Grill & Bar The serial entrepreneur and mixologist serves up solid business advice at his Dallas establishment.

By Jenna Schnuer

Opinions expressed by Entrepreneur contributors are their own.

You'll know you're chatting up the right guy when the advice headed your way is served from under a killer moustache and the cocktail in your hand has you reconsidering your plans for the rest of the day. Serious facial hair and inventive cocktails: It's all part of the signature style of serial entrepreneur and mixologist Jason Kosmas.

A former New Yorker, Kosmas moved to Dallas to take advantage of the city's move away from an insular, steakhouse-heavy restaurant scene toward one that's starting to get national attention.

"It's got more restaurants per capita than NYC, so the opportunity is, obviously, pretty great," he says. Along with his business ventures up north--he still co-owns Manhattan cocktail emporiums/restaurants Employees Only and Macao Trading Co., as well as a non-alcoholic mixer company, EO Brands, with business partner Dushan Zaric--Kosmas recently joined Twomey Concepts as executive beverage director.

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