Sally Wagner Partin took on a pivotal role in Sidley Austin’s representation of F. Hoffman-La Roche Ltd in a high-profile tender offer to acquire biotech Ignyta Inc. for $1.7 billion. The strategic deal closed in December 2017 and bolstered Roche’s position as a worldwide leader in cancer treatment by offering a drug that can target and treat individuals with specific gene mutations associated with cancer.

Who is the most important mentor you’ve had thus far in your career? Why?