Rachel Kalmar is a data scientist and community organizer, and the world record holder for number of wearable sensors worn continuously. A Stanford neuroscience PhD, Rachel has spent nearly two decades wrangling noisy data to explain, predict and influence behavior. Rachel is a data scientist and Staff Product Manager at Tableau Software, as well as an affiliate at Harvard University's Berkman Klein Center for Internet & Society, and an alumni of Stanford's Neurosciences Program, the Hasso Plattner Institute for Design (aka the d.school),UCSD, The Salk Institute, Rock Health, the Assembly Fellowship at Harvard University and the MIT Media Lab, and Misfit Wearables. At Tableau, Rachel works at the intersection of software engineering and user research, to design AI and ML-based features into Tableau's software.