Winemaking & Operations Team

Michael Davies | Executive Winemaker

A small-town New Zealander, Michael completed a Bachelor of Arts in Economics, Scandinavian Studies and Political Science at the University of Auckland leading to some unusual jobs, before returning to Lincoln University for a post-graduate diploma in Viticulture & Enology. Prior to joining A to Z, he served as Vineyard Manager and Assistant Winemaker for 6 years at Chehalem, as well as in Burgundy, California, the Hunter Valley of Australia and numerous regions of New Zealand.  Michael and his winemaker wife, Anna Matzinger, make Matzinger Davies wines.

Anna Welch Prost | Associate Winemaker

Anna serves an integral role in winemaking with a primary focus on A to Z white and rosé wines. Following her degree in Horticulture from Cal Poly, Anna studied at Lincoln University in New Zealand and later also completed the Chemeketa Winemaking program. She worked at Chappellet and Cardinale wineries in California, Delegats Wine Estates in New Zealand, and Vasse Felix Winery in Australia before coming to A to Z for the 2009 harvest. Subsequently, she has served as Lab Technician, Lab Manager, Enologist, and Assistant Winemaker before becoming Associate Winemaker.

Olivier Prost | Associate Winemaker

Olivier studied in his native France, first winemaking and viticulture in Montpellier and later beverage and wine marketing in Paris. Starting in 1998, he worked harvests in Languedoc-Roussillon, Bordeaux, and Burgundy, and then Napa, New Zealand, and Australia. In 2009, Olivier came to A to Z Wineworks where he served as Cellar Hand, Cellar Master, Assistant Winemaker, and now Associate Winemaker.

Mathieu Delarbre | Assistant Winemaker

After studying the business of wine, Mathieu moved to winemaking working at several wineries in his home region in the Northern Rhône of France. He gained more experience and studied different winemaking styles with stints in New Zealand, Australia, Washington, and Oregon.  In 2015, he and his wife settled in the Willamette Valley, where Mathieu began his career at A to Z and REX HILL first as a Cellar Associate, then Cellar Master and, currently, Assistant Winemaker.

Sarah Dvorak | Manager of Wine Operations

Sarah manages wine operations and packaging; interacting with every department and acting as a key contact to industry partners. She is a champion of our sustainable winery certifications, tracking winery progress and improvement each year for A to Z’s accreditations. A native Oregonian with 13 vintages under her belt, Sarah corrals winemakers and grapes for the REX HILL harvest crew. She holds a degree in Psychology from Oregon State University and later completed the Winemaking program at Chemeketa.