In his daily work, Dex plays a critical role in writing the next chapter on science, tech, the economy, and society across the globe, and spearheads efforts to bring the stories of how the world is being moved forward to light.

Through the last 15 years, Dex has advised global leaders including as head of communications for SpaceX, where he reported to Elon Musk, head of executive communications for Facebook, and Google DeepMind. At Google, he rebooted the company's global AI communications and marketing and led the go-to-market for Gemini, Google's flagship AI system

Dex was also Google's first executive speechwriter. He began his career as speechwriter and spokesperson for the office of UN Secretary-General Ban Ki-moon.

A New York Times-bestselling ghostwriter, he is a frequent public speaker on technology's impact on society.