|Birth Place:||Vaduz, Liechtenstein, Liechtenstein|
|Height||Weight||Hair Colour||Eye Colour||Blood Type||Tattoo(s)|
Zeller joined Ivoclar Vivadent in 1981, and was CEO from 1990 to 2003, before buying the company from the founder's grandson, Adolf Schneider. He has been chairman and president of the supervisory board since 1993.
On the Forbes 2018 list of the world's billionaires, he was ranked #572 with a net worth of US$3.9 billion.