Danny Castillo is a Senior IT infrastructure engineer and trainer specializing in Microsoft technologies. Currently serving at Pfizer since 2017, Danny manages Exchange and Exchange-Online, overseeing collaboration infrastructure and providing solutions for enterprise email systems. Additionally, Danny operates an independent consulting firm, SysAdmin-CR, which has been active since 2009, delivering comprehensive IT solutions across various sectors. Danny holds a high school bachelor’s degree in Computer and Information Sciences and Support Services from INCECOM, completed between 2000 and 2003. With a passion for technology, Danny is committed to mentoring others and facilitating their growth in the IT field.
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