The Cosmotango site said it best:

"Maestro, dancer and choreographer of outstanding reputation, Gustavo is the precursor of a teaching system that has great repercussion on all five continents. He travels around the world delivering clarity and conceptual technical richness. Researcher and analyst of great caliber, his knowledge has revolutionized the dance at the end of the millennium."

Gustavo is the dancer's dancer. He is the teacher's teacher. He makes the witness to his dance grope for superlatives to describe it and his creativity.

Personally, I still enjoy watching the old videos of Gustavo and his ex-wife, Olga Besio (available from Bridge To Tango). This is an excellent way to learn and understand the basis for the change-of-direction style of dancing Gustavo and Fabián introduced.

Now years into the partnership with Giselle, his full vision and expression of physical and intellectual invention is something to behold.

See also the Fabián Salas interview for the story of their collaboration.

Gustavo's website.