Diego de Oliveira (CCIE #46343) earned his Cisco Certified Internetwork Expert (Wireless) certification in January 2015 and is among the small percentage of Cisco engineers who passed the rigorous CCIE lab exam on their first attempt.

He also qualified as a Cisco Certified Systems Instructor (CCSI #332187) many years ago and has been delivering Cisco training for over a decade. Diego has taught Cisco courses in multiple countries across the globe, covering a wide range of topics from CCNA to CCNP.

He is highly active on social media, with over 15,000 followers across Instagram, LinkedIn, and YouTube. He has published more than 100 videos and shared extensive free content with the Brazilian tech community worldwide.

With professional experience spanning four continents—Europe, South America, North America, and Oceania—Diego now lives in Australia with his family, fulfilling a lifelong dream.