Kubainski graduated from the Queensland University of Technology with a Bachelor of Laws and a Masters in Journalism.
[citation needed] In October 2009, Kubainski filled in as a news presenter on Sunrise while Natalie Barr was co-hosting as Melissa Doyle was on holidays.
She finished as weekend presenter of Seven News in January 2013 with Blake Johnson and Samantha Jolly announced as her replacements in a sharing capacity.
[7] Kubainski is of both Filipino and German heritage[8] but was born in Queensland and moved to Perth after she secured a national cadetship with the ABC in 2005 with then-boyfriend lawyer Tom Fotheringham.
Kubainski and Fotheringham met while studying at Queensland University of Technology and married in 2009 at Margaret River.