McCann Worldgroup founder John J. Dooner Jr. dies at 77

The advertising world is mourning the passing of John J. Dooner Jr., the respected founder of McCann Worldgroup, who died at the age of 77. Dooner was widely recognised for his transformative influence on the agency network and his role in shaping modern advertising practice across markets worldwide.

During his career, Dooner helped build McCann Worldgroup into a global powerhouse, championing innovative ideas and strategic thinking that pushed creative and business boundaries. His leadership style emphasised collaboration, client focus and creative courage, leaving a lasting imprint on the agency’s culture and the broader industry.

Peers and colleagues remember Dooner not just for his business achievements but also for his mentorship and ability to inspire talent. His approach to leadership fostered environments where strategic insight and creative expression could thrive, enabling work that resonated deeply with audiences and clients alike.

Over the decades, his contributions extended beyond individual campaigns to influencing how global networks operate, integrate disciplines and respond to evolving client needs. Dooner’s legacy is reflected in the strength and reputation McCann Worldgroup holds today as a diverse, forward-thinking agency serving brands around the world.

As the industry reflects on his impact, many leaders have paid tribute to Dooner’s commitment to excellence and his role in nurturing generations of advertising professionals. His vision helped elevate standards in the profession and encouraged a culture of continuous innovation.