Gregory V. Vereshchagin is Professor at the International Center for Relativistic Astrophysics Network (ICRANet), Pescara, Italy. He graduated from Belarusian State University and received a PhD in Theoretical Physics from the National Academy of Sciences, Belarus. He also holds a PhD degree in Relativistic Astrophysics from Sapienza University, Rome, and was awarded the NATO-CNR fellowship. Author of more than 30 refereed papers, his research interests include cosmological singularity and inflation, loop quantum cosmology, the role of neutrino in cosmology, thermalization of relativistic plasma, and photospheric emission from relativistic outflows.