Sources of Income
Mercer works as an IT project manager for USAA in San Antonio.
He was elected to the State Board of Education in November 2006 and re-elected in 2010 and 2012.
He previously was an adviser to Gov. Rick Perry as a member of the state Homeland Security Council, and served on the State Republican Executive Committee.
He served one term in the Texas House, from 2003 to 2005.
His wife, Rosalia Mercer, is a senior bookkeeper for Walker Advertising in San Antonio.
Mercer has assets in the recruitment and talent management services company Drake Global Resources, in United Dental Holdings Inc. and in NuState Energy Holdings.
Mercer owns residential property in San Antonio valued at $185,220.
In the mid-1990s, Mercer led an anti-pornography campaign to boycott San Antonio convenience stores that sold pornographic magazines.
San Antonio businessman James Leininger, a wealthy advocate for private school vouchers, contributed $35,000 to Mercer’s SBOE campaign in 2006.