Diego Lanau began studying tango in 1997. In 1999, he joined the Mora Godoy group in Club Almagro, where he met his first tango partner, Natalia Arcidiacono. They started teaching together in 2001.
Diego also participated in several tango competitions. He became a finalist at the Sin Rumbo Club in Villa Urquiza, and in December 2003, he was crowned champion at Club Saraza by a nearly unanimous public vote.
In 2006, Diego began traveling internationally, with the San Francisco Bay Area being his first destination. He visited several cities in the USA, including San Diego, Los Angeles, Chicago, Cleveland, New York, Reno, Lake Tahoe, Las Vegas, and Aspen. He also participated in the Portland and Seattle festivals in 2007.
In 2009, he expanded his travels to Europe, where he taught and performed in Italy, Spain, and France. He returned to Europe in 2010 to participate in the Kerallic tango festival in Bretagne. That same year, he was invited to participate in the Antipanico Festival in the Bay Area.
Diego returned to the Bay Area in May 2011. In April 2013, he made a special performance at ATUSA. He also served as a judge at the Los Ángeles local championship in March 2015 and performed at the Tango Festival in Sabadell, Spain, in June 2015.
In 2017, Diego performed at the Buenos Aires City Hall and the Club Atlético Boca Juniors, one of Argentina's most emblematic soccer teams. He continues to perform there to this day.
Finally, in April, he participated as a tango judge at ATUSA, the official branch of the Mundial de Tango Buenos Aires 2018.