Winemaker — Alpha Omega Winery and AXR

CEO — St. Supèry Estate Vineyards and Winery

Vintner — Grgich-Hills Estate

Vintner — Schramsberg Winery

Vintners/Winemakers — Frogs Leap and Calder Wine

Vintner/Winemaker — Kongsgaard

Vintners — Viader Vineyards & Winery

Vintner/Winemaker — Siduri and Clarice Wine Company

Vintner/Winemaker — Patz & Hall and Donald Patz Wine Group

Winemaker/General Manager — Chimney Rock

Winemaker — Opus One

Novelist and Wine Writer

Doug Shafer teams up with TV veteran Spencer Christian to answer listener questions.

NFL Hall of Famer and Vintner — Intercept Wines

Vintner — TOR Wines

Vintners — Dalla Valle Vineyards

Vintner — Chappellet

Former Executive Editor — Wine Spectator

Vintner — Accendo Cellars and Trois Noix

Vineyard Management/Vintner — Tres Perlas