About

GSW powered by Syneos Health is a creative powerhouse fueled by a healthcare network that creates compelling brand experiences to motivate human behavior change.

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  • Astrid Defries-Lansing

    Astrid Defries-Lansing

    Head of Creative, Advertising

  • Jen Oleski

    Jen Oleski

    Managing Director, GSW

  • Amanda Joly

    Amanda Joly

    Head of Strategy, Advertising

  • JD Cassidy

    JD Cassidy

    President, Advertising

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