Houssem Dellai is a Customer Engineer at Microsoft. Before that, he was nominated Microsoft Most Valuable Professional (MVP) for 5 years in a row. You might saw his work without you had even noticed ! If you were looking for content on Docker, Kubernetes, DevOps, Terraform, Xamarin, ASP.NET or Azure, chances are so high that you have passed through his Youtube channel or his blog posts on Microsoft Blog, Medium and CodeProject.
He is also a conference speaker and professional certified trainer (MCT) who have trained thousands of students and professional developers. So, he knows where people stuck to learn new technologies. He is the one who can simplify the complicated concepts for beginners.