![](https://ona22.journalists.org/wp-content/uploads/sites/9/2022/08/Tess-Jeffers.jpg?w=640)
Tess is The Wall Street Journal’s Director of Data Science. She leads a team of data scientists, analysts, and engineers responsible for actionable product, content, and audience insights. Prior to joining the Journal, Tess was a manager on the data science team at Known, a data-driven media and marketing consulting firm.
- Friday, Sep 23 - Newsletters as Product and Journalism from ONA22