"The 10th International Workshop on e+ e- collisions from Phi to Psi 2015" will be held at University of Science and Technology of China (USTC) on September 23-26, 2015. USTC is a leading institution in China, under the Chinese Academy of Sciences (CAS). USTC is located in Hefei, the capital city of Anhui Province, a middle-sized city in Yangtze river delta, about 350 km west of Shanghai and 800 km south of Beijing. This is the 10th workshop in a series, which started in Karlsruhe in 1996 and continued in Novosibirsk (1999), SLAC (2001), Pisa (2003), Novosibirsk (2006), Frascati (2008), Beijing (2009), Novosibirsk (2011) and Rome (2013), carrying now the name "From Phi to Psi" first used at the Novosibirsk workshop in 1999. The aim of the workshop is to discuss in detail the state of the art of various problems in hadronic physic at low energy e+e- colliders and the potential of existing and future facilities. A Satellite Meeting will be held on Sunday, Sep.27, 2015, by the "RADIO MONTECARlow" Working Group. The aim of this Working Group is to bring together theorists and experimentalists in order to discuss the current status of radiative corrections and Monte Carlo generators at low energies.