Complex sentence: Sir Mark Andrew O'Regan (born 1953) was the President of the Court of Appeal of New Zealand until his elevation to the Supreme Court of New Zealand in 2014.
Split into simpler sentences: Sir Mark Andrew O'Regan (born 1953) is a New Zealand lawyer and jurist. He was the President of the Court of Appeal of New Zealand until his elevation to the Supreme Court of New Zealand in 2014.