Elmer Lopez is a seasoned professional in the telecommunications industry, currently serving as a Professional RAN at Liberty of Puerto Rico since November 2020. Prior experience includes a role in RF Optimization at AT&T Mobility from April 2008 to November 2020, where responsibilities encompassed daily KPI monitoring, network performance monitoring across GSM, UMTS, and LTE technologies, and conducting root cause analysis. Elmer holds a Bachelor of Science degree in Electrical and Electronics Engineering from Universidad Interamericana de Puerto Rico, completed in 2007.