Gianluca Deiana: Certified Master Chef, CEO and Founder of Zafferano & Co. Gianluca Deiana is a Sardinian born Italian chef, culinary educator, entrepreneur and the founder of Zafferano & Co., with a professional career built around Italian cuisine, hospitality, restaurant operations and culinary education. Born and raised in Sardinia, Italy, Deiana completed six years of professional hospitality and culinary education, including five years of formal study followed by an addi