Jon Hall is the Executive Director of Linux International; a non-profit organization of computer professionals who wish to support and promote Linux-based operating systems. During his career in commercial computing which started in 1969, Jon Hall was a Programmer, Systems Designer, Systems Administrator, Product Manager, Technical Marketing Manager, an Author and a Mentor. He is an advocate for free and open-source software as he conferred with the Governments of China, Malaysia and Brazil besides the United Nations and other local and state Governments. He is currently working as an independent Consultant. He is also striving to bring about the environmental friendly computing to emerging markets through Project Cauã.