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John Peterzalek


  • John Peterzalek, senior vice president, Client Relationships, leads the teams responsible for business development, implementation, and technology and support services for more than 400 large-scale clients in 25 countries.

    With a focused approach that aligns client imperatives with technology solutions, Peterzalek has been instrumental in crafting strategies and delivering value to clients around the world.

    Peterzalek joined Cerner in 2003 and has served in a variety of client and business leadership roles. Most recently, Peterzalek was responsible for Cerner Atlantic and focused on client relationships in the Eastern United States, Europe and the Middle East. He brings more than 25 years of experience in technology and software support with an emphasis on health care informatics.

    Prior to Cerner, he spent 13 years with Perot Systems Healthcare Industry Group as a senior executive responsible for several business units and large client relationships.

    Peterzalek earned a bachelor’s degree in geography with a concentration in computer cartography from the University of Northern Iowa. He has completed post-graduate coursework at Rockhurst University in Kansas City, Missouri.