Conversation so far:
What was Rick Santorum's tenure in regards to?
Rick Santorum served in the United States Senate representing Pennsylvania.
How long was Rick Santorum in the United States Senate representing Pennsylvania?
Rick Santorum served in the United States Senate representing Pennsylvania from 1995 to 2007.
Did Rick Santorum make a big impact in the United States Senate?
The National Taxpayers Union, a fiscal conservative organization, gave Rick Santorum an A− score for his votes on fiscal issues.
Why did Rick Santorum leave the United States Senate?
In Rick Santorum's reelection bid of 2006, he lost to Democrat Bob Casey, Jr. by a 59 to 41% margin.
What else did you find interesting about the Rick Santorum article besides everything mentioned previously?
In 1996, Rick Santorum served as Chairman of the Republican Party Task Force on Welfare Reform, and contributed to legislation that became the Personal Responsibility and Work Opportunity Act.
Was Rick Santorum well received as Chairman of the Republican Party Task Force on Welfare Reform?

Question: What years did he serve as chairman?
Self-contained rewrite: What years did Rick Santorum serve as Chairman of the Republican Party Task Force on Welfare Reform?