When a recruiter first approached Joe Nguyen last fall about being CEO of the Seattle Metropolitan Chamber of Commerce , his first reaction was, “You guys know who I am, right?” The Chamber had sought out the onetime darling of the progressive left who rose to prominence on promises to tax the rich and bulldoze anyone who got in his way, and who pushed the Washington Legislature to enact some of the same laws opposed by the organization he now leads. At first blush it’s an odd fit for the region’s most prominent business advocacy organization, with more than 2,500 members ranging from restaurateurs to Amazon. But with a self-described socialist in Mayor Katie Wilson and after years of losing political fights, Seattle’s business lobbyists hope that hiring Nguyen, a man who speaks the mayor’s language, can help them win on social and economic issues that have evaded them in recent years. Or at least slow their march. The pairing is also a sign that Nguyen has shifted politically.…