Ingrid Rechtin of Covington & Burling represented Sanofi in connection with a joint venture with Verily Life Sciences and Microsoft in various strategic transactions, including its $7.2 billion acquisition of Nokia's devices and services business.

Who's the best leader you've seen in action and why?

Bruce Deming, my mentor at Covington (now retired). He was always an exceptional advocate for his clients, calm under pressure, and active in numerous community and volunteer organizations.