Wancheck was the Coordinator of the Center's Earned Income Tax Credit Outreach Campaign until 2014, transitioning then to be an advisor on the EITC and other refundable tax credit issues.

Wancheck came to the Center in 1994, assisting state and local agencies and community groups to promote EITC outreach projects and conducting training to promote participation among all eligible workers.

Wancheck previously worked as a community organizer, trainer, and public interest advocate for more than 20 years in Connecticut, Rhode Island, North Carolina, and Virginia.

He also served as a field organizer for Families USA, organizing community groups on issues related to health care reform.