John Ashmead has been working with relational databases since the 1980's, building & enhancing databases in SQL Server, Oracle, Informix, Ingres, and PostgreSQL.

For the last five years he has been the DBA & database developer at a leading manufacturer of Optical Switches. John is in charge of the care & feeding of the manufacturing database (Javascript/Ruby-On-Rails/PostgreSQL). For the last six months he has been porting the manufacturing database to a factory in Zhuhai, China.

John gives frequent talks at database & other programming users groups. He is working on a book Zen and the Art of Debugging, about one of the most under-appreciated but important aspects of software.

He has also given physics related talks at physics conferences, science fiction conventions, and NASA. His most recent physics paper is “Time dispersion in quantum mechanics”.

John Ashmead presents 4 Events:

• Debugging with Postgres at Philly 2019

• Debugging with PostgreSQL at Postgres Conference 2020

• Debugging with PostgreSQL at Postgres Webinar Series

• How to build a PostgreSQL-backed website quickly at 2021 Postgres Conference Webinars