The construction lawyer was also general counsel for Lend Lease Development and Bovis Lend Lease following her stint at Allens.

"I have experienced the daily grind of working at senior levels both in private practice and in-house, and I am at the stage in my career where I want to focus on projects that constantly challenge me and that deliver real outcomes for clients," Minns said.

Managing partner of Advent Lawyers, John Knox, said: "We are absolutely thrilled to have a lawyer of Lesley's reputation and experience joining us. The ability for clients to now be able to parachute Lesley in when needed to manage large scale construction projects is unique..."