He is considered a graffiti "elder", who along with Futura 2000, Blade, PHASE 2, CRASH, Lady Pink and TAKI 183 invented styles and standards which are still in use.

[3]From 1977 to 1981, Zephyr was a key member of graffiti crews including The Rebels (TR) and Rolling Thunder Writers (RTW), composed largely of artists affiliated with a scene of teenagers spending time in Central Park.

Witten was part of the first wave of graffiti artists to make the transition to galleries, collectors and commercial work.

[5] Witten's art was part of a five-man show including Fab Five Freddy, ERO (Dominique Philbert),[6] Futura 2000[6] and Dondi White[6] that toured Japan in 1983.

"[10] Zephyr was one of the artists represented at the L'Aérosol Graffiti Museum in Paris from 2017 to 2018 for the exhibition Maquis-art Hall of Fame.