Guillaume Marcillac

Active Investor

Angel Investor

Paris, Île-de-France

Guillaume Marcillac, Angel Investor is an active investor based in Paris, Île-de-France. This profile covers what Guillaume Marcillac backs, at which stage, and how founders can reach out in 2026.

Mr. Guillaume de Marcillac is an Angel Investor. Mr. Guillaume served as a Co-Chief Executive Officer & Director Executive general at FastBooking. He joined FastBooking in early 2008 as Chief Financial Officer and currently serves as Chief Operating Officer. He combines strong entrepreneurial, consulting as well as large group skills with a strong focus on growth. He holds a diploma from both Ecole Supérieur de Commerce de Paris (top French business School) and the London School of Economics (MSc in Finance). He started his career with Bain & Co, a leading strategy consulting firm. During his 7 year tenure with Bain, he worked in Paris, Geneva and San Francisco on various strategic projects including retail and travel related subjects. He then joined EuroDisney and became Director of Strategic Planning focusing on theme park and hotel related initiatives (strategic partnership with hotel chains and independent hotels). In 2000, he participated in the creation of Egencia, an internet based corporate travel agency which subsequently became Expedia Corporate Travel.

Investor type: Angel
Stages: Early Stage Venture
Invests in: FoodTech & AgricultureFood & Beverage
Location: Paris, Île-de-France
Typical check: $500K
Past investments: 1

Notable investments

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What does Guillaume Marcillac invest in?

Guillaume Marcillac invests in FoodTech & Agriculture and Food & Beverage, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

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