Dan Diephouse
Person
Co-founder of the sparkling wine producer Corollary Wines, and a founding board member of Method Oregon, the sparkling wine producers' association launched in 2026.
Ownership
- Corollary Wines (co-founder, from 2017)
Family & mentorship
- Jeanne Feldkamp (spouse, present)
Affiliation
- Method Oregon (founding board member, 2026–present)
Sources
- Weinnotes newsletter, 20 May 2023
- Corollary Wines' new sparkling wine tasting room (Portland Monthly)
- Oral history interview with Dan Diephouse & Jeanne Feldkamp, 2025 (Oregon Wine History Archive)
- Oral history interview with Jeanne Feldkamp & Dan Diephouse, 2020 (Oregon Wine History Archive)
- Corollary Wines announces four new releases (Wine Industry Advisor)