2006 Nobel prize winner novelist Orhan Pamuk
http://en.wikipedia.org/wiki/Orhan_Pamuk
Ara Güler (born August 16, 1928, Istanbul, Turkey) is a Turkish photojournalist of Armenian descent, nicknamed "the Eye of Istanbul" or "the Photographer of Istanbul"
http://en.wikipedia.org/wiki/Ara_G%C3%BCler
Atlantic Records founder Ahmet Ertegun
Check out Ahmet Ertegun and Atlantic Records' story here:
http://www.pbs.org/wnet/americanmasters/episodes/ahmet-ertegun/atlantic-records/97/
Mike Lazaridis (born March 14, 1961, Istanbul, Turkey). He is the founder, president and CEP of Research in Motion (RIM), which created and manufactures the Blackberry wireless handheld device.