The allegations against Banks relate to two $25,000 donations from Megastuff Ltd on Mr Dotcom's behalf in June 2010 and $15,000 from SkyCity in May that year when Banks was making an unsuccessful tilt at the Auckland mayoralty.
Dame Jenny said she knew Banks came from a tough background ? his dad had done jail time and a young Banks had slept rough under bridges.
"I know him always as someone who was determined to overcome that and create and honorable life and life of public service."
Patricia White, who along with her late husband Tony founded Tony's Restaurant on Wellesley St, Auckland, remembered Banks starting work there as a dish washer. He worked his way up to be a partner in the business, Mrs White said.
David Hay was Auckland deputy mayor under Banks between 2001 and 2004 and 2007 and 2010. He said Banks was committed to the job and "called a spade a spade".
The first witness called today before Justice Edwin Wylie, who is hearing the case with no jury, was Banks' 2010 campaign PR man Scott Campbell.
He recalled being passed a SkyCity envelope by Banks one day in May 2010. Banks told him to pass it to campaign treasurer Lane Hutchison.
Yesterday SkyCity chief executive Nigel Morrison said he had a short meeting with Banks and handed him a $15,000 cheque in an envelope.
Banks did not give evidence but the court was last week played a lengthy interview he had with police in 2012. The defence case has no closed and after a break tomorrow Crown prosecutor Paul Dacre, QC, and defence lawyer David Jones, QC, will make their closing statements on Thursday.