Grant Simmer (born 1957) is an Australian sailor and yacht designer who has competed in multiple America's Cups.
He stayed with Alan Bond's syndicate and was navigator on Australia IV during the 1987 Defender Selection Series.
[1] He was a co-owner of North Sails Australia for 17 years until, in 2000, Simmer joined Alinghi as managing director and head of design.
[3] He joined Oracle Racing in 2012 as their general manager, overseeing day-to-day operations at the 2013 and 2017 America's Cups.
He has competed in 10 America's Cup cycles, winning sport's oldest international trophy four times.