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Jon Paris

Jon Paris Profile Pic


Jon is an IBM Systems Magazine, Power Systems edition technical editor. His IBM midrange career started when he fell in love with the System/38 while working as a consultant. This love affair ultimately led him to joining IBM.

In 1987, Jon was hired by the IBM Toronto Laboratory to work on the S/36 and S/38 COBOL compilers. Subsequently, he became involved with the AS/400 and in particular COBOL/400.

In early 1989, Jon was transferred to the Languages Architecture and Planning Group, with particular responsibility for the COBOL and RPG languages. There he played a major role in the definition of the new RPG IV language and in promoting its use with IBM business partners and users. He was also heavily involved in producing educational and other support materials and services related to other AS/400 programming languages and development tools, such as CODE/400 and VisualAge for RPG.

Jon left IBM in 1998 to focus on developing and delivering education focused on enhancing AS/400 and iSeries application development skills. He’s the co-owner of Partner400 ( and part of System i Developer (

Jon is a frequent speaker at User Groups meetings and conferences around the world, and holds a number of speaker excellence awards from COMMON. He was named an IBM Power Systems Champion ( in October 2011. 

Jon can be reached via or

Articles by Jon Paris

Varying-Dimension Arrays for RPG | June 2019 | IBM i

Use DATA-INTO for Processing Data With RPG | April 2019 | IBM i

Why RPG Developers are Adopting RDi | February 2019 | IBM i

RDi's Object Table on Steroids | September 2018 | IBM i

YAJL Meets DATA-INTO | June 2018 | IBM i

Getting More Help From RPG Prototypes | May 2018 | IBM i

The Power of Prototypes for RPG | April 2018 | IBM i

A Closer Look at RPG's DATA-INTO | March 2018 | IBM i

What's New in RDi With V9.6 | January 2018 | IBM i

An RPGers First Steps with JSON: Consuming JSON data with YAJL | September 2017 | IBM i

7 Keys to Future-Proofing Your RPG Applications | September 2017 | POWER

An RPGer’s First Steps With JSON | July 2017 | IBM i

RPG Fundamentals: Arrays | April 2017 | IBM i

Keeping up With RDi Enhancements | March 2017 | IBM i

A Guide to RDi on Mac | December 2016 | IBM i