just words
Jeff Hara is a technology professional with extensive experience in machine learning and software development. Currently serving as the Cofounder and CTO at Just Words since March 2024, Jeff is involved in building a next-generation marketing platform. Prior to this role, Jeff was a Founder-in-Residence at Foundations, and held the position of Senior Machine Learning Engineer at Automattic, where work focused on machine learning and stream processing. Jeff's experience also includes a significant tenure at Twitter as a Senior Machine Learning Engineer, and as a Machine Learning Engineer at Mercari, developing a Named Entity Recognition system and enhancing Query Understanding. Jeff holds a Bachelor’s Degree in Computer Science and Philosophy from Stanford University, completed in 2018.
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just words
justwords.ai helps companies boost user retention by dynamically refreshing content on emails, push, in-app messages and websites. It is built on a modern stack that replaces old-school campaign marketing with an ML-first approach to content personalization. We help turn the cost of experimentation to zero by enabling growth teams to be in a state of continuous testing with our ranking systems.