John Leffingwell, PhD

John C. Leffingwell, PhD received his PhD in 1963 from Emory University and after a year of Postdoctoral studies at Columbia University he joined R J Reynolds where he became Head Flavor R&D in 1969

After three years as Vice President R&D at Aromatics International, he became Senior Vice President of Sunkist Soft Drinks and subsequently Vice President Worldwide Technical Operation of Del Monte / RJR when this group bought Sunkist Soft Drinks.

He has been President of Leffingwell & Associates since 1985; a firm that provides flavor and fragrance R&D services and computer software such as Flavor Base and leading computer databases on essential oils and perfumery materials.

He has been responsible for the development of over 75 consumer products, has authored and coauthored over 100 patents, book chapters and publications, and is the recipient of a number of awards. He became an Honorary member of The Society of Flavor Chemists in 2003.

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