No, Github work demonstrates what work you have done on projects that happen to live on Github. Saying that that is "who you actually are" shows a rather narrow

No, Github work demonstrates what work you have done on projects that happen to live on Github. Saying that that is "who you actually are" shows a rather narrow idea of what "being" means. There are other things than code to define who you are; and even if you're only look for code, that code need not live on Github.