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Leighton Cosseboom

Head of PR & Communications

Leighton Cosseboom joined AC Ventures as Principal – Head of PR & Communications where he is responsible for the firm’s owned and earned media programs at large. He also provides marketing and communications support to the firm’s portfolio companies. An American MarTech entrepreneur with more than a decade of experience in Asia, Leighton co-founded C2 Media, the parent company of Indonesia’s famous tech PR firm Content Collision, as well as ContentGrow, a managed freelance talent network and workflow app for global content teams. Prior to that, he was the Chief English Editor for Tech in Asia’s Indonesia chapter.

Leighton graduated from the University of Oregon School of Journalism and Communication, having double-majored in journalism and advertising.

In his free time, Leighton enjoys board sports, cooking, meditation, and adventuring with his family.

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