Arthur Leopold

Arthur Leopold is an American entrepreneur and advertising executive. He is the co-founder and CEO of the advertising platform Agentio, and the former president of video-sharing website Cameo.

Early life and education

Leopold was raised in Vermont, where he attended boarding school, and New York City. As a teen, he interned for New York representative Carolyn Maloney, and managed her 2006 campaign for reelection. At 19, he became the youngest elected New York delegate for Barack Obama's 2008 presidential campaign. Leopold graduated from Duke University in 2012.

Career

In 2017, Leopold joined Cameo as its chief operating officer and first employee. While he was COO, the company reached a $1 billion valuation. He was later named chief business officer, and was named president of the company in February 2022.

In 2023, Leopold left Cameo to partner with former Spotify engineer Jonathan Meyers as founders of Agentio, an AI-driven advertising platform with an automated approach to matching brands with creators selling ad space, with Leopold as CEO. In 2024, the company raised $12 million in series A funding, led by Benchmark. In November 2025, the company announced that it had raised $40 million in series B funding led by Forerunner, bringing its total raised to $56 million, at a valuation of $340 million. That year, Forbes named the company one of 25 venture-backed startups most likely to reach a $1 billion valuation. Agentio is headquartered in Manhattan.