In 2018, artisanal Italian vineyard Frank Cornelissen was one of the world’s leading producers of natural wine. But when weather-related conditions damaged that year’s grapes, founder Frank Cornelissen had to decide between staying true to the tenets of natural wine making, or breaking with his public beliefs to save that year’s grapes by adding sulfites. Harvard Business School assistant professor Tiona Zuzul discusses the importance of staying true to your company’s principles while remaining flexible enough to welcome progress.