Complex sentence: Prior, he served as CUNY's Vice Chairperson, from 1999 to 2003, and in 2006, Governor George Pataki reappointed Schmidt to the position of Chairman of CUNY's Board of Trustees for another seven-year term.
Split into simpler sentences: Prior, he had served as CUNY's Board in the ppositions of Vice Chairperson, from 1999 to 2003. In 2006, Governor George Pataki once again reappointed Schmidt to the position of Chair of CUNY's Board of Trustees for another seven-year term.