Company: Oursky Ltd.
Language: Cantonese (with English Slides)
Slides: Better type at Python (All Right Reserved)
Software Engineer at Oursky. With Python as him primary language. Creator of various web site backed by python. Like pandaform.com and makeappicon.com.
After the introduction of function annotation and type hints at py3k. It make static analysis at python easier. And bug discover a lot easier.