Tracey Massey is responsible for leading North American sales and operations for Mars Chocolate, the world's largest chocolate manufacturer. With more than 20 years of experience at Mars, Massey oversees a multibillion-dollar portfolio of iconic global brands, including M&M's, Snickers, Milky Way, Twix, 3 Musketeers and Dove. In her current role since July 2014, Massey is focused on delivering exceptional customer service, consumer insights and innovation across Mars Chocolate North America, most recently leading the successful launch of both M&M's Crispy and Dove Whole Fruits in 2015. Prior to this role, she was global chief financial officer for Mars Chocolate, which produces three of the top five global chocolate brands, is sold in more than 80 countries and employs more than 16,000 associates worldwide. Massey has worked in the United States for the past 12 years, serving as a plant director and in financial planning for Mars Petcare. Prior to relocating to the United States, she held positions in manufacturing and finance in the drinks and electronics division of Mars in Europe. She holds a BSc degree in chemical engineering from Loughborough University in England and is a qualified management accountant in the United Kingdom.