Lee expressed his interest in earth sciences at an early age, preparing geology exhibits at secondary school science fairs. He completed his geology undergraduate degree at the University of Wyoming in 1970. Graduate studies were completed at the University of British Columbia with a MSc in 1973 and a Ph.D. in 1979. His specialty for the graduate degrees was metamorphic petrology and structural geology.
He worked in SEDEX and regional exploration for Cyprus Anvil Mining Corporation from 1979-1985. Fieldwork was completed in Anvil District, Yukon and Akie District, British Columbia. From 1986-1993 he worked as a senior exploration geologist for Curragh Resources, again mainly in Anvil and Akie Districts.
From 1993-1998 he was the sole consultant geologist for LC Pigage Consulting. In 1998 he started working for the Yukon Geological Survey (YGS). His first project with YGS was to complete a compilation of the Anvil District, verifying corporate data through fieldwork. Subsequently, his main field area was in southeast Yukon northeast of Watson Lake. From 2011-2014 he was head of Mineral Services for YGS. He retired from government service in June 2014.
In retirement, he does recreational geology fieldwork in areas surrounding Whitehorse.