ScriptRunner was originally developed while Bruce Crosgrove, Daniel Parnell, Kim De Moor, Omar Masri and Peter Maher were working together on a data conversion project.

A rough breakdown of contributions is:

Java Peter Maher, Daniel Parnell
Oracle SQL Kim De Moor, Omar Masri, Peter Maher
QA Everyone
XSL Daniel Parnell, Peter Maher

Subsequently, for initial open source release:

Documentation Peter Maher
Postgres port Peter Maher