Complex sentence: He joined Triple Eight Racing in England in 1999, before moving to Australia in 2003 to join the then-Australian offshoot, Triple Eight Race Engineering as a technical director and head of the engineering department.
Split into simpler sentences: He joined Triple Eight Racing in England in 1999. Lacroix moved to Australia in 2003 to join the then-Australian offshoot, Triple Eight Race Engineering as a technical director and head of the engineering department.