First person – Kun Guo

First Person is a series of interviews with the first authors of a selection of papers published in Biology Open, helping early-career researchers promote themselves alongside their papers. Kun Guo is first author on ‘The thermal dependence and molecular basis of physiological color change in Takydromus septentrionalis (Lacertidae)’, published in BiO. Kun conducted the research described in this article while a PhD student in Xiang Ji's lab at Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Jiangsu, China. They are now research assistant in the lab of Xiang Ji at College of Life and Environmental Sciences, Wenzhou University, Zhejiang, China, and Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, Jiangsu, China.