Talus Team

Ellie Graeden
Ellie Graeden PhD

Ellie is the founder and CEO of Talus Analytics, bringing a scientific approach to lead high-profile projects that shape the way decisions are made in the fields of global public health, natural disaster planning and response, and risk assessment. Ellie is an accomplished researcher and data expert who has built a unique approach to data analysis, visualization, and computational modeling to inform policy and operational decision making. She earned her PhD in Biology from MIT and undergraduate degree in Microbiology from Oregon State University. In addition to her work at Talus, Ellie is an Associate Research Professor at Georgetown University Center for Global Health Science and Security and co-CEO of a collaborating company, RedZone Analytics.

Ryan Zimmerman
Ryan Zimmerman

Ryan is a researcher and full stack developer, combining technical implementation skills with a BA in economics to build visualizations and user interactions which explore data in an actionable and accurate way while championing accessibility. Ryan has been a passionate storyteller and communicator across several types of media, including on-location photography and graphic design. At Talus, Ryan works to make sure the connections between the data, research, and story are as deeply connected to the final output as possible.

Tess Stevens
Tess Stevens

Tess is a user experience designer at Talus focused on creating visuals that allow data to be thoughtfully investigated. Her work is informed by her interest in systems design, her background in writing and editing, and her commitment to clarity and functionality. Tess earned her MA in Strategic Communication Design from the University of Colorado Boulder and has an undergraduate degree in English from Northwestern University.

Ronit Langer
Ronit Langer

Ronit is an analyst and developer at Talus, combining her passion for data and policy. She has a BS in computer science from MIT, and most recently was a Scoville Fellow at the Carnegie Endowment where she worked on policy issues at the intersection of cybersecurity and biotech. She is also involved in iGEM, a synthetic biology competition for students around the world, and has represented iGEM at the Biological Weapons Convention and the Geneva Disarmament Platform.

Hailey Robertson
Hailey Robertson

Hailey is a researcher and data analyst at Talus, where she helps translate quantitative and qualitative data into actionable information for decision-makers. She leverages her background in global health and geographic information science to answer complex questions, while also bringing a detail-oriented look to her work. Hailey earned her BS in Global Health from the University of Southern California, with a minor in Human Security and Geospatial Intelligence.