His story gets even more interesting: McDonald eventually developed an allergy to wine. Yes, a former band geek turned master sommelier who received Michelin recognition gets blotchy after sipping certain varietals. Eater caught up with McDonald to talk about life after Michelin, his favorite wines, and how the industry is working to attract younger and more novice drinkers, and, of course, how he manages to still do his job when he is allergic to the very thing he has to taste (spoiler: Benadryl).