John Terzaken, co-head of the global antitrust practice at Allen & Overy and head of the Magic Circle firm’s investigations and litigation practice in Washington, D.C., is poised to join Simpson Thacher & Bartlett as a partner in the nation’s capital.

“It’s great opportunity,” Terzaken said. “Simpson Thacher is a terrific firm and I think most compelling to me was to get to work alongside others who do what I’ll call high-end crisis management [in] the fraud, sanctions and securities space.”