Instantly reshuffling the decks of top deal advisory work, M&A powerhouse Scott Barshay has joined Paul, Weiss, Rifkind, Wharton & Garrison from Cravath, Swaine & Moore, where he spent his entire career.

Barshay broke records by serving as lead adviser on a staggering $292 billion in M&A transactions last year alone—roughly a third of Cravath’s $927 billion in announced deals in 2015. The American Lawyer highlighted 50-year-old Barshay’s frenzied year of dealmaking in its April issue.