About Us

We schedule meetings.
No more, no less!

Founded in 2014, x.ai is a productivity tool powered by artificial intelligence that lets you schedule meetings effortlessly. We believe it should be easier and less time-consuming to schedule meetings, and x.ai is built to help everyone achieve that.


For press inquiries and interview requests, please reach out to us at press@human.x.ai

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Join us in building an
AI-powered solution to meeting scheduling pain.

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x.ai’s scheduling engine empowers you and your team to automate the most tedious parts of scheduling — finding compatible times to meet with large groups, sending follow-ups and reminders, and managing cancellations and reschedule requests.

Awards & Recognition


CogX winner of Best AI Product in Virtual Agents


AIconics award for Best Intelligent Assistant


Innovation Award Winner: MongoDB


Dennis is a pioneer in leveraging data and a serial entrepreneur who has delivered a number of exits. His long-term vision of killing the inbox triggered the formation of x.ai. He’s an Associate Analytics Instructor at the University of British Columbia, the author of Data Driven Insights, and a frequent speaker on AI, intelligent agents, and the future of work. More information on Dennis.
Dennis R. Mortensen

CEO & Founder

Marcos leads natural language processing at x.ai. He has 10+ years of experience in data analysis, data acquisition, and statistical analysis projects in both academia and industry. He has also authored several landmark scientific articles, including the first Higgs-boson search and discovery paper from CERN. He holds a PhD in Theoretical Physics from Universidad Autonoma de Madrid.
Marcos Jimenez Belenguer

Chief Data Scientist & Founder

Josh leads financial planning and operations at x.ai. He is a finance professional with a record of supporting the strategic development and growth of emerging companies. He was most recently VP of Finance at Scout, a leading mens’ sports publisher, and has 10+ years of experience within tech, media, and telecommunications. He holds a Masters in Business and is a CPA.
Joshua Peacock


Liying oversees operations at x.ai. She previously led the successful optimization of x.ai’s AI learning environment to today’s fully automated state. Prior to joining x.ai, Liying worked at Facebook where she ran the human side of AI and machine learning products, including Messenger’s M. She also ran her own sports nutrition ecommerce business and was an early hire at Lyft.
Liying Wang


Ammon leads the growth organization, including sales, marketing, and customer success. He is a veteran of multiple early stage startups, ad agencies, and notable tech companies such as Google, Yodle, and OMD. Most recently, he ran customer acquisition efforts for Frame.io. Ammon brings 15+ years of experience in technology, marketing, and growth hacking (from before it was called that).
Ammon Brown

VP of Growth

Lauren leads engagement at x.ai, including customer success, product marketing, brand strategy, and communications. She brings more than 15 years of experience building brands, communities, and products at major platforms and publishers, including Facebook, Tumblr, NBC News, and The Associated Press.
Lauren McCullough

VP of Engagement

Data Science Advisory Board

Daniel Krasner is the founder of Merriam Tech, which focuses on the development of document management platforms and related technologies. He’s the co-Founder of KFit Solutions, a data science consulting firm. In addition, he’s the Director of Data Science at Paul Hastings, and was the technology lead with the History-Lab Project at Columbia University.
Daniel Krasner
Gregory Marton worked on natural language time semantics during his graduate studies at MIT CSAIL, and took a break from it while working at Google on sentiment analysis and task-focused summarization. He holds Engineer’s and Master’s degrees from MIT, and a BS from U. Maryland, College Park.
Gregory Marton
Jonathan is Vice President at Two Sigma where he works on predicting the future. He is also founder & director of Panscient, a company that applies advanced ML techniques to extract structured information from the web. Prior to founding Panscient, Jonathan was an Assistant Professor at Australian National University advising PhD students and conducting research.
Jonathan Baxter

Design Advisory Board

Paul is an Interaction Designer at Google and an expert at crafting functional and beautiful user experiences. Over the last few years he has spent an equal amount of time working on products as a manager, practitioner and in customer facing design roles—advocating for design and facilitating the cultural and organizational change required to become a modern product company. Previously Paul has worked at companies such as Spotify, Pivotal, and Outbrain.
Paul Farino

Our investors

If you’re ready to solve problems alongside world-class engineers and data scientists, we want to hear from you.


See Open Roles