Mr Harwood has been appointed group chief commercial officer, starting on January 6.
SPC recently concluded its merger with the Original Juice Company and has been relisted on the ASX.
Mr Harwood recently worked as the transformation lead at Carlton & United Breweries (CUB), part of Asahi Beverages.
Over the years he has held several key positions at Asahi Lifestyle Beverages, playing a role in expanding the product portfolio and improving market share.
Mr Harwood’s career began at Diageo in the United Kingdom, where he held various commercial roles before relocating to Melbourne.
SPC Global managing director Robert Iervasi said his leadership had established a track record of achieving growth and commercial excellence.
“John has a natural talent in building customer relationships, and will ensure that our growth plans are aligned with each channel that we supply,” Mr Iervasi said.
Mr Harwood holds an International Management degree from Heriot-Watt University in Edinburgh, Scotland.
SPC shares were selling at $1.14 on Friday, January 3, after opening at $1.31 on December 17.