But a claim may generally only be backdated by a maximum of 31 days.
In May 1989, he was appointed to the board of directors and became chief operating officer of United.
He also owns Minnesota United FC, Minnesota's professional soccer team.
(born 1948) is an American pulmonologist, lepidopterist, philanthropist, and healthcare executive, best known for his tenure as chairman and chief executive officer of United Health Group from 1991 until his resignation in 2006.
He attended college at the University of Texas at Austin and medical school at the University of Texas Medical Branch at Galveston, Texas.
After medical school, he worked in California and Colorado before moving to Minnesota.