Complex sentence: During 2001--05, he was a member of the National Task Force on Election Reform; assisted by funding via the Help America Vote Act of 2002, it worked to improve the security and integrity of U.S. elections.
Split into simpler sentences: During 2001--05, he was a member of the National Task Force on Election Reform. Assisted by funding via the Help America Vote Act of 2002, the task force worked to improve the security and integrity of U.S. elections.