Mona-Lusky joins the consultancy from Code & Theory New York, where she led its L'Oreal account. She brings with her 14 years of experience in the US and with global clients including P&G, HP and Sprint.
She started her career at Publicis in Seattle and has worked at Goodby, Silverstein & Partners as well as StrawberryFrog New York.
Mona-Lusky's appointment is just the start for R3 in the US, according to principal and co-founder Greg Paull. "We have more hires planned for 2015 in the US in order to complete our offering," he said.
In the last two years, R3 was global search consultant in reviews for Samsung, Four Seasons Hotels, AB InBev and Ferrero, along with ongoing work for Coca-Cola, Unilever and Johnson & Johnson.
The company now has more than 70 consultants across eight offices in Asia, Europe and the US.