Wallner attended the University of British Columbia, where she received her Bachelor of Arts Degree.

She continued her education to complete her graduate studies in journalism at University of King's College in Halifax.

In addition, the two have a production company titled Worldwide Bag Media, Inc.[4] The production company had produced two programs for the W Network including Anna & Kristina's Beauty Call & Anna & Kristina's Grocery Bag.

A third show titled Anna & Kristina's Beauty Call debuted on January 1, 2009 on W.[5] With Mastisic, the two have made regular guest appearances on Good Morning America, The Rachael Ray Show, Canada AM and CBC Newsworld.

In addition to a syndicated column in the US, their work has appeared in magazines including InStyle, Glow and TV Week.