Master Distiller & Blender
Mark A. Vierthaler
Master Distiller & Blender, Whiskey Del Bac
- Discipline
- Master Distiller & Blender

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i. Biography
Mark A. Vierthaler is the Master Distiller and Blender at Whiskey Del Bac in Tucson. Before taking on this role in 2025, he served as the distillery's Head Distiller starting in 2021. His distilling background also includes leadership positions at distilleries in Maryland and Kansas.
Career - Master Distiller & Blender, Whiskey Del Bac, Tucson (2025–present) - Head Distiller, Whiskey Del Bac, Tucson (2021–2025) - Head Distiller, Tenth Ward Distilling Company, Frederick (2021) - Distiller & Director of Marketing, Boot Hill Distillery, Dodge City (2016)
FAQ What is Mark A. Vierthaler's current role? He is the Master Distiller and Blender at Whiskey Del Bac in Tucson. Where did Mark A. Vierthaler work before joining Whiskey Del Bac? He worked as Head Distiller at Tenth Ward Distilling Company in Frederick and as Distiller and Director of Marketing at Boot Hill Distillery in Dodge City.
