Lehmann graduated as an architect from Pontifical Catholic University of Chile in 1982.
[4] Her work has been described as taking "a position of equidistance between vernacular tradition and imported modernity.
"[5] In 2010, the President of Chile, Sebastian Piñera, appointed her as Director of the advisory board for the Chilean New Urban Policy, a position she held until 2014.
[4] In 2004, Lehmann won the National Architecture Prize in Chile, becoming the first woman to ever achieve this honor.
[4] That same year, the Manantiales building was the only South American project to be featured in Tall Buildings, an exhibition curated by MoMA in New York showcasing "the newest innovations in skyscrapers".