About Dennis

Dennis Mortensen is the CEO and co-founder of x.ai.

Dennis is an expert in leveraging data to deliver business insights. A serial entrepreneur, Dennis built and successfully exited several companies before founding x.ai in 2014. Along with co-founder Marcos J. Belenguer, Dennis set out to solve a painful problem — scheduling meetings — through a sophisticated AI platform that saves people time and effort.

Dennis is a recognized leader, author, and university instructor in the field of digital data and analytics. Originally from Denmark, Dennis lives in New York with his family. Connect with Dennis on Twitter and LinkedIn.


World’s Fair Nano, 2017

The Future of Work

GLG Applied, 2017

AI Personal Assistants

Awards & Recognition


CogX winner of Best AI Product in Virtual Agents


AIconics award for Best Intelligent Assistant


Innovation Award Winner: MongoDB

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