Meet the Woman Who Sources the World’s Most Elusive Handbags

“The collector that has that asset-driven mindset is going to be interested in an Hermès Birkin, just like they're going to be interested in off-market properties in London or even rare whisky,” says Joanna Uzunova, founder of Luxe Buyers Club and ex-buyer for Chanel, Ralph Lauren, Mulberry, and Hermès.

Her company sits at the intersection of concierge sourcing and market intelligence, serving an international client base that already understands the mechanics of luxury acquisition. “The clients that we serve...