John is executive chairman of the board at Wilbur-Ellis. He joined the company as vice president of strategic planning and business development, becoming president and CEO in 2006, then executive chairman of the board in 2018. He serves on the boards of Cuvaison Winery and the Argentina-based winery Finca Decero. Previously, he served on the boards of Rabobank North America, Napa Valley Vintners, Hintzsche Company, and the Di Rosa Foundation.