Roy Kahmann (Amsterdam, 1959).

Eigenaar en oprichter van:
Kahmann Gallery Amsterdam (sinds 2004)
Kahmann Gallery Rotterdam (sinds 2021)
GUP Magazine (sinds 2005)
GUP/NEW Dutch photography talents (2011)
Fresh Eyes Photography talents (2019)
Haute Photographie Rotterdam (sinds 2015)
Haute Photographie Amsterdam (sinds 2022)
Artibooks.com (2016)
Haute Auctions (sinds 2020)
Collectibles (sinds 2021)

Daarnaast bedenker, vormgever en uitgever van vele fotografie boeken .

Owner and founder of:
Kahmann Gallery Amsterdam (since 2004)
Kahmann Gallery Rotterdam (since 2021)
GUP Magazine (since 2005)
GUP/NEW Dutch photography talents (2011)
Fresh Eyes Photography talents (2019)
Haute Photographie Rotterdam (since 2015)
Haute Photographie Amsterdam (since 2022)
Artibooks.com (2016)
Haute Auctions (since 2020)
Collectibles Magazine (since 2021)

Also creator, designer and publisher of many photography books