20-year veteran, Stemmler, to assume leadership role for one of the country’s largest family-owned and operated wine producers
January 5, 2026 (Clarksburg, CA) — Bogle Family Wine Collection, which features five distinct brands – Bogle Family Vineyards, Phantom, Juggernaut, ElementAL and TWENTY ACRES by Bogle – has announced the promotion of winemaker Dana Stemmler to Director of Winemaking, as recognition of her outstanding contribution, leadership, and nearly two decades of excellence at the Clarksburg winery.
Stemmler has crafted an impressive portfolio of acclaimed, award-winning wines that exemplify Bogle Family Wine Collection’s commitment to quality, consistency, and sustainability.
“In her time at Bogle Family Wine Collection, Dana has blended her talent with a tireless work ethic to help create some of the highest quality wines in our category,” said Vice President of Winemaking, Eric Aafedt. “Her impact stretches beyond the awards and 90+ scores of our wines, Dana’s leadership and ability to marry art and science in our winemaking techniques will help ensure we are successful for decades to come.”
Stemmler’s contribution to the Bogle winemaking philosophy, thoughtful blending, and dedication to innovation have helped shape the winery’s reputation and success. She is widely respected for her collaborative spirit, mentorship, and passion for winemaking.
“I want to thank the Bogle family and Eric for the support and trust to direct the style and quality for all of our brands into the future,” said Dana Stemmler, Director of Winemaking. “I truly believe winemaking is a team effort that takes skill, determination, artistic integrity and of course, science. I hope to build on the foundation Eric has set and continue to uphold the standards and traditions that define the Bogle Family Wine Collection.”
As Director of Winemaking, Stemmler will continue to work with Aafedt on the development and quality control of all Bogle wines, while assuming the role overseeing all aspects of winemaking activities, including guiding the winery’s long-term vision.
Stemmler, who started with Bogle in 2006 after earning a viticulture degree from the University of California – Davis, began working in the lab performing data entry and quickly was promoted to enologist and ultimately winemaker. Her new role takes effect immediately.
About Bogle Family Wine Collection
Bogle Family Wine Collection is headquartered in Clarksburg, California, and is run by the sixth generation of the Bogle family to live and work in the Sacramento Delta region. The Bogle family began growing winegrapes in 1968 and first bottled wine under the name Bogle Vineyards in the late 1970s. Bogle was honored as Wine Enthusiast’s 2019 American Winery of the Year and was presented with the Green Medal Leader Award in 2018 for its sustainability efforts in the winery and vineyards. The Bogle Family Wine Collection includes Bogle Family Vineyards, Juggernaut Wines, Phantom Wines, TWENTY ACRES by Bogle and Element[AL], which features ground-breaking aluminum wine bottle packaging.
