Husband-and-wife chocolatiers Sergei and Lena Potekhin handcraft Belgian-chocolate gifts and intricate chocolate designs at Not Just Chocolate NYC. The family-owned shop opened its U.S. flagship in 2019 after years serving European customers; Lena trained at the Barry Callebaut Chocolate Academy, and the couple has earned awards in European chocolatier competitions. Now based in New York, the Potekhins are especially known for personalized chocolate cards, figurines, and event favors made by hand in Brooklyn.