From 1972–1982, he worked for Jack Nicklaus as a member of his golf course design support staff.
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In 1983, Morrish left the Nicklaus organization and formed a partnership with PGA Tour professional Tom Weiskopf.
In 1983, Heckenkemper joined the partnership of Tom Weiskopf and Jay Morrish, where he oversaw the construction of several high profile golf courses.
Weiskopf got into golf course design working initially with Jay Morrish, but now has his own established practice.
Tom Weiskopf and Jay Morrish were commissioned by the PGA Tour to build a course that would play host every year to the Phoenix Open starting in 1987.
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