Marcos Placona, a seasoned software engineer and developer evangelist, shares his personal journey of transitioning from being laid off in Brazil to starting anew in the UK. He recounts how joining tech communities around London helped him meet like-minded individuals, expand his network, and grow as a professional. Throughout his career, Placona has been driven by his passion for computers, which began with a Commodore 64 and eventually led him to explore various programming languages, including Visual Basic, ASP Classic, JavaScript, and others. He emphasizes the importance of communities in his learning process and highlights how they have enabled him to branch out and focus on different communities to expand his reach. As a Developer Evangelist for Twilio, Placona aims to leverage his expertise to help developers build killer applications using Twilio or other platforms.