Florian Block is a research associate and computer scientist at the SDR Lab at Harvard University. With a Ph.D. in human–computer interaction from Lancaster University, Florian designs, implements, and evaluates interactive games and visualizations about science. His work focuses on how interactive technology can be used to increase the scientific literacy of learners of different ages and backgrounds. Florian was lead programmer for the web-based versions of DeepTree and Build-A-Tree and lead user interface designer for the DeepTree.

Stephanie Keep is the strategic outreach coordinator for the National Center of Science Education (NCSE) and editor of reports of the National Center for Science Education. She also works as a science education consultant for nonprofit groups such as the Howard Hughes Medical Institute (HHMI)'s BioInteractive, the Massachusetts Department of Elementary and Secondary Education, and WGBH/NOVA.

Chia Shen is a senior research fellow and director of the SDR Lab at the School of Engineering and Applied Sciences at Harvard University. She was an early innovator in multi-touch human–computer interaction and visualizations. Chia is the principal investigator for the Life on Earth project. The project is a collaboration of computer scientists, biologists, and learning researchers from several institutions who are working to expand the public’s understanding of biodiversity and studying how people interact and learn from multi-touch displays. Chia and her team developed the DeepTree and Build-A-Tree interactive games.

Corwin Sullivan is an Associate Professor at the Chinese Academy of Science’s Institute of Vertebrate Paleontology and Paleoanthropology in Beijing. His research focuses on the diversity, functional morphology, and evolution of dinosaurs and other archosaurs. Corwin earned his Ph.D. in Organismic and Evolutionary Biology at Harvard University and an MSc in Zoology from the University of Toronto.