Aliza Appelbaum

Pro-Relationship: Ellner is a matchmaker-for-hire.

The Dating Wingman

Aron Ellner doesn’t look like your typical yente. When he showed up at a trendy hookah bar in Manhattan’s East Village on a recent June evening, the 24-year-old Woodmere, N.Y., native was wearing fashionably stressed jeans, a blazer and an easy smile.