Marc Nguyen Tan (born 1974), known professionally as Colder, is a French dance musician and graphic designer who is also a DJ and remixer who remains actively involved in dance music and other projects.

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Colder's sound is rooted in the post-punk and post-disco of the late 1970s and early 1980s. Colder is also influenced by dub and krautrock.^[3]

After studying film at university, Tan started to work as junior art director in 1995 for Grolier Interactive, then became art director at the Shaman design studio. He worked as art director for TV on-air design, then directed promos and title sequences as a freelancer for Eurosport cable channel. He co-founded "Le Cabinet. Paris." with Benoit Emery in May 2000.^[4]

To date, Tan has released five studio albums under the Colder moniker: Again in July 2003, Heat in July 2005, Many Colours in November 2015, and Goodbye and The Rain, both released simultaneously in June 2016.

As Colder, Tan provided a remix for Depeche Mode's song "Clean" for their 2004 Remixes 81–04 album.