Julien was raised in New York City. He graduated from Yale University in 1986, where he studied Art and Economics. His first job was in investment banking at Credit Suisse First Boston. He attended Yale School of Management, where he started a student interest group in Marketing and served as a teaching assistant in Marketing. After graduating in 1990, he joined Procter & Gamble. During the 1990s, he worked in Brand Management on many of P&G’s major U.S. Health Care brands, including Vicks, Metamucil and Pepto-Bismol. In 1998, he moved to Mexico as Marketing Director for P&G’s laundry  and cleaning products, and later to P&G’s Latin American regional headquarters in Caracas, Venezuela, where he served as General Manager for Latin America Cleaning Products. In 2003, he became P&G’s General Manager for Central America, headquarted in Guatemala.  He has won numerous awards within P&G for Organizational Development, Marketing, and Advertising, and taught seminars in Marketing and gender diversity.

In 2005, Julien left P&G and joined Kaz, Inc., a $500 million dollar company headquartered in the Boston area. Kaz develops, manufactures and sells consumer medical devices and home appliances under the Vicks, Braun and Honeywell names in 60 countries. He has been President of Kaz since 2007 and became CEO in 2010. He also serves on the Board of Directors for Yale School of Management’s Alumni Association, and has served as Vice Chairman of the American Chamber of Commerce’s Board of Directors in Guatemala. He has been an advisor to Guatemala’s Minister of Education regarding literacy, as well as advisor to a delegation from the US Senate and Commerce Secretary for the 2005 CAFTA treaty.