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    The Mallinckrodt Pharmaceuticals Specialty Generics leadership team is committed to quality, integrity and service — in everything we manufacture, in the business we run and in our interactions with customers and each other. Mallinckrodt Pharmaceuticals is a forward-looking, independent company, building on a strong foundation of more than 146 years as a trusted partner.


    KaczmarekPhotoWalt Kaczmarek
    President, Multi-Source

    Walt Kaczmarek is the President of the Multi-Source division of Mallinckrodt Pharmaceuticals. He has executive responsibility over Specialty Generics and Active Pharmaceutical Ingredient (API) business units.

    Mr. Kaczmarek brings more than 25 years of pharmaceutical business experience, including his previous role as Senior Vice President, Commercial Operations at Fougera Pharmaceuticals. At Fougera, he held leadership roles in three strategic business units, including a brands start-up business, a generics business and a special marketing division. Prior to that, Mr. Kaczmarek served as Vice President, National Accounts, and Regional Vice President, Health Systems, at McKesson. At McKesson, he negotiated critical contracts with Group Purchasing Organizations and hospital systems. He also held commercial positions at Major Pharmaceuticals, Fujiswa, and Durr-Fillauer Medical.

    Mr. Kaczmarek earned a Bachelor’s degree in Business Administration from Stetson University in Deland, Florida.