Niklaus is a Swiss graphic designer awarded with many national and international design competitions and prizes. He also was the organizer of the Willisau Jazz Festival from 1975 to 2009. Troxler studied graphic design at the Lucerne School of Art and Design. He worked as an art director in Paris in 1972 and subsequently founded his own design practice in Willisau, Switzerland.
Troxler’s graphic works (particularly his concert posters and record cover designs) won him several relevant international awards: the Toulouse-Lautrec Medal in Gold (1987 and 1994), design awards in Lahti (1993), Helsinki (1997), Hong Kong (2000), Hangzhou (2003), Ningbo (2006), Taiwan (2005) and Colorado (2006). He won the Innerschweizer Kulturpreis (Cultural award of Central Switzerland) in 1982.
His posters are in the most important design collections, including the Museum of Modern Art in New York, the Cooper Hewitt Smithsonian Design Museum in New York, the Hamburg Industrial Arts Museum, the Wilanow Poster Museum in Warsaw, the Staedelijk Museum in Amsterdam, the German Poster Museum in Essen and the Poster Collection at the Design Museum Zurich.