I am an author/speaker/grant writer living among the corn and bean fields of Illinois in the U.S. I own Davis Integrated Services .

I am a Senior SysAdmin, enthusiastic about productivity apps and opensource tools

Helping people learn to build apps with React Native. blog.haysstanford.com/course/

My natural curiosity has led me to explore a wide range of topics. Top writer in Business. https://hidayatullah-astori2016.medium.com/membership