Matthew directs the Lodi Winegrape Commission’s viticulture research projects, grower outreach programs, and the Lodi Rules for Sustainable Winegrowing certification program. He came to the Commission in 2012 after earning a PhD under Mark Lubell. While at Davis he worked on the Center for Environmental Policy and Behavior's sustainable viticulture project. His dissertation research focused on the effectiveness of agricultural extension programs and sustainability certification programs in California viticulture. In his current position at the Commission Matthew collaborates with university researchers and Lodi growers to implement applied research projects with the aim of developing practical solutions to real-world viticulture challenges.