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About Ari Kellen

Based in the U.S., longtime healthcare professional Dr. Ari Kellen serves as executive vice president of Valeant Pharmaceuticals. Since 2014, he has overseen the operations of the firm’s Latin America, U.S. Dermatology, and U.S. Bausch & Lomb business divisions. Dr. Ari Kellen previously worked at international consulting firm McKinsey & Company for 22 years, serving a partner at offices in Toronto, Los Angeles, Chicago and New Jersey. In this capacity, he worked with healthcare companies across the globe, leading business turnarounds by developing new growth plans and implementing change management strategies. He previously gained hands-on medical experience through positions on senior management and emergency trauma teams at two hospitals in Johannesburg, South Africa.

Dr. Ari Kellen earned a bachelor of medicine and a bachelor of surgery with distinction from the University of Witwatersrand. To further prepare for his career, he subsequently obtained a master of business administration, also with distinction, from the same institution.

Work experience

Jan 2014Present

Executive Vice President

Valeant Pharmaceuticals
Jan 1992Jan 2014

Senior Partner

McKinsey & Company



University of the Witwatersrand