Jun was born in Shandong, China, and studied Biology at Ocean University of China, the University Ghent, Belgium, the University Oviedo, Spain, and the University Bremen, Germany. He received his M.Sc in Marine Biodiversity and Conservation from the Max-Planck Institute for Marine Microbiology, Bremen, Germany, in 2010. Then, he did his PhD within the IMPRS for Evolutionary Biology working on “Microbiota and host co-evolution” in the Evolutionary Genomics group with Prof. Dr. John Baines at the Max Planck Institute in Plön. After the completion of his PhD in 2014 he worked as a postdoc at the Life Sciences Research Institute VIB at University of Leuven. Recently, Jun moved back to China and started a research group at the Institute of Microbiology at the Chinese Academy of Science.