We Are Winemakers Production Marketers Creatives Innovators Leaders Viticulturists

Abby Coffman

Allison King

A Pacific Northwest native, Allison completed her degree in Business Administration at Oregon State University, after which she worked in various jobs including retail, copywriting, contract coordination, and more. She then joined A to Z Wineworks in 2019 as Trade Marketing Associate and has grown with the needs of the department. Now, as Marketing Manager, Allison oversees development of insights-based marketing strategies, end-to-end trade and ad campaign execution, PR agency management, and budget management. 

Amy Prosenjak

Amy Prosenjak is President & CEO of A to Z Wineworks LLC, representing the brands A to Z, Erath, and REX HILL, headquartered in Newberg, Oregon. A native of Youngstown, Ohio, Amy graduated from Ohio Wesleyan University and began her career in finance and operations at The Limited Inc. and then Value City Furniture, where she held multiple leadership roles.

Amy joined A to Z Wineworks in 2007, relocating to Oregon to help lead the fast‑growing brand. Over nearly two decades, she has been instrumental in transforming the business from an 80,000‑case winery into Oregon’s largest wine brand, producing up to 450,000 cases in some vintages. She directed major expansions of the winemaking campus and strengthened the company’s operational and commercial capabilities during a period of rapid growth.

In 2022, following Sycamore Partners’ acquisition of A to Z, Amy successfully guided the company through its ownership transition and integration into the Ste. Michelle Wine Estates portfolio. As part of the executive leadership team for the 5‑million‑case Pacific Northwest wine company, she oversaw the consolidation of Ste. Michelle’s Oregon portfolio—including the Erath brand—into a unified 700,000‑case business. Throughout this work, she maintained the company’s B‑Corporation ethos, ensuring continued focus on sustainability and conscious commerce. Today, the Oregon brands represent approximately one out of every four bottles of Oregon wine sold in the United States.

Recognized as a 2023 Portland Woman of Influence, Amy remains deeply engaged in the community. She serves on several boards, including Oregon Business & Industry, Oregon Business Council, Literary Arts, YPO Oregon Gold Chapter, and the Virginia Garcia Memorial Health Center Holdings Board.

Ana Gabriela Blanco

Andres Garcia

Anna Welch Prost

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.

Arsenia Arrezola

Audri Conklin

Aurelio Coronel

Brad Price

Candy Thompson

Devin Weeks

Diane Gilmore

Francisco Alvarez Zurita

Gilberto Rodriguez

Heather Cuvo

Ivanna Tucker

Ivanna has worked in various marketing roles in nonprofit, retail, and media. She earned degrees in Mass Communication and Communication Arts from Linfield University and an MBA from Willamette University. Since starting at A to Z in 2022, Ivanna has supported the brand’s full digital presence. As Digital Marketing Manager, she oversees the brand’s national, multi-channel digital campaigns, performance analysis, content strategy and development, and optimization for online sales on various platforms. In her free time, you can catch her reading, judging dance competitions, going to concerts, or traveling.

Jared Burton

Jennifer Willis

With over 20 years in the wine industry, Jennifer leads all things Direct to Consumer, from customer relationships, e-commerce, and unforgettable food and wine focused events. She’s all about smart strategy, strong teams, and making wine experiences truly memorable. When she’s not talking wine or tracking sales, you’ll find her eating cheese, hanging at her off-grid cabin, or adventuring with her husband and identical twin boys.

Jhordy Arrezola Garcia

Joan Riley

Jonathan Lampe

Jonathan originally joined REX HILL part-time in the tasting room to expand his knowledge of Pinot Noir and wine in general. Those weekend shifts intensified his passion for wine so much that he decided to leave his decade-long career in insurance and join the team full time. He has since become a Certified Specialist of Wine and has passed the Wine & Spirit Education Trust Level 3 Certification. Jonathan is happy to share interesting wine knowledge in the tasting room.

Jorge Zagada

Jorge Zurita

Jose Perez

Katie Quinn

Katie has 20 years experience in the wine industry and a firm handle on managing marketing for one of Oregon’s largest wineries. A native Oregonian, she earned her degree in International Business from Linfield College.  Katie marshals all of the marketing support for national sales, and manages or advises on a myriad of other marketing needs.

Katrina Wheeler

Kayla Maverick

Kevin Holmquist

Kevin grew up surrounded by agriculture in Ventura County, California before his family relocated to Paris, France. After returning to the United States, he studied at University of Oregon and earned a Bachelor of Arts in Political Science and Spanish with a minor in Business Administration. He spent his early career in commercial banking before earning a Master of Business Administration (MBA) from the Lundquist College of Business at the University of Oregon. Kevin joins us after holding several roles in strategic and financial planning at Columbia Sportswear Company.

Kevin Rodgers

Lorenzo Guzman

Luis Merales

Maggie Arrezola

Mark Zeitouni

Martin Loeza

Mathieu Delarbre

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.

Mel Nichols Pasewark

Michael Davies

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.

Michelle Candelaria

Michelle has worked in a variety of growth-focused, fast-paced businesses, both large and small, from start-ups to large, publicly-held businesses. Industries she has worked in include IT, wholesale, manufacturing, telecommunications, and media services (Netflix). Michelle is a liberal arts grad (English) from San Jose State and is a Certified Senior Professional in Human Resources (SPHR).

Mina Arrezola

Nicole Jolliffe

Olivier Prost

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.

Patrick Bush

Rick Perkins

Ryan Perry

Originally from the Hudson Valley in Upstate New York, Ryan worked as a harvest intern in 2016 before joining A to Z full time in 2017. He held the position of Cellar Associate, then Cellar Lead before moving to the Lab. As Lab Supervisor he provides support and chemical analysis and as Research Assistant he focuses on new literature and data analysis. Ryan was first interested in wine as part of a Biochemistry club in college and then while living abroad in both Czechia and the Republic of Georgia. Outside of work he enjoys hiking, yoga, and waking up early to watch English soccer.

Ryan Vincent

Sara Arrezola

Sarah Dvorak

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.