She will be the guest speaker at the Key Business Leaders Breakfast at the Cruising Yacht Club.
Ms Jafferies was instrumental in the development of the Matilda Bay Breweries brand before she co-founded Dome Coffee Australia in 1990.
Along with business partner Phil May, Ms Jafferies grew Dome from a small wholesale coffee roaster to a multi-million dollar international importer, exporter, franchiser and restaurant enterprise.
The breakfast is hosted by the City of Rockingham to assist the business community by bringing high-calibre business people to share their experience and skills.
Rockingham Kwinana Chamber of Commerce is managing the function. For more details, call 9592 3333.