Kyowa Hakko USA’s Leo R. Cullen Promoted to President and CEO

Leo Cullen, former Executive Vice President of Kyowa Hakko USA (Kyowa) accepts the position of President and CEO for Kyowa Hakko USA. Leo joined Kyowa in 2007 as Vice President of Sales & Marketing and has served as the Executive Vice President since 2012. He has over 25 years of experience in the pharmaceutical and nutraceutical ingredient businesses.

Cullen will continue to be based out of the New York City office, where his responsibilities will including growing the North and South American pharmaceutical, dietary supplement, and cosmetic business areas. Cullen will be responsible for all aspects of the Kyowa Hakko USA’s business growth and development.


KYOWA HAKKO USA, INC. is the North and South American office for KYOWA HAKKO BIO CO., LTD., an international health ingredients manufacturer and world leader in the development, manufacturing and marketing of pharmaceuticals, nutraceuticals and food products. Kyowa is the maker of branded ingredients including Cognizin® Citicoline, Pantesin® Pantethine, Setria® Glutathione, as well as Sustamine® L-Alanyl-L-Glutamine. For more information, visit

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