Park has been the Royal Yachting Association's (RYA) Olympic manager for the past fifteen years, during which time he helped the team amass 23 Olympic and Paralympic medals, topping the sport's medal table at the Rio Olympics.
The 48-year-old, who will take up the role in the spring, said that he was proud of his time at the top of the RYA, but was looking forward to the new challenges he will face at British Cycling.
"I would like to convey my deepest appreciation to all the British Sailing Team athletes, staff and across the RYA family – past and present – for their unwavering commitment in support of British Sailing’s medal-winning achievements during my tenure.
"Clearly cycling poses very different challenges to sailing, but it’s a sport I am very passionate about from a personal perspective. I’m looking forward to meeting its challenges head on and working intensively with a highly motivated and experienced group of athletes, coaches and support staff."
Watch: Ed Clancy & Owain Doull - Life at the Rio Olympics
"The standard of applicants was predictably high, and in appointing Stephen Park I am extremely confident that we have someone in place who can now go forward and build on the fantastic success that British Cycling has enjoyed in recent years."
The role of performance director has been vacant for the past three years since Dave Brailsford stepped down to focus his efforts on Team Sky.
Since then, the British squad had been overseen by technical director Shane Sutton, but with Sutton himself resigning in April 2016 amid allegations of sexism and bullying, the responsibility has fallen on programmes director Andy Harrison.
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Henry Robertshaw began his time at Cycling Weekly working with the tech team, writing reviews, buying guides and appearing in videos advising on how to dress for the seasons. He later moved over to the news team, where his work focused on the professional peloton as well as legislation and provision for cycling. He's since moved his career in a new direction, with a role at the Department for Environment, Food and Rural Affairs.
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