Complex sentence: Elisashvili gained public attention through his advocacy related to the reconstruction and redevelopment of Gudiashvili Square, in Sololaki in Tbilisi, and also through his work as the chair of the Presidential Pardon Commission, in 2013--2014, where he alleged influence-peddling.
Split into simpler sentences: Elisashvili gained public attention through his advocacy related to the reconstruction and redevelopment of Gudiashvili Square, in Sololaki in Tbilisi. Elisashvili also gained attention through his work as the chair of the Presidential Pardon Commission, in 2013--2014, where he alleged influence-peddling.