Millennial couple Elias Tiong and Hailee Chong were both lawyers. They left their jobs to focus on Crafti, a matcha company.

Half of that question has been answered. Starting Monday, Mr. Emhoff will become a partner at the corporate law firm Willkie Farr & Gallagher, splitting his time between Los Angeles and New York.

The Supreme Court cleared the way Thursday for a major corporate transparency law that requires millions of business to make new ownership disclosures in an effort to combat financial crimes.