Travellers often fall in love with the places they visit and – before they know it – end up spending longer there than they had initially planned. Some don’t stop there. The places they travel to become their life, possibly where they have a family or make their career. David Williams, of Simpson Thacher & Bartlett LLP, belongs in the latter category. Visiting Argentina as a child ignited a lifetime passion for Latin America that has defined his dedicated legal practice over a 35-year-and-counting career.