European digital agency Valtech has expanded its footprint in Canada, acquiring Toronto-based Nonlinear Creations. Nonlinear Creations, whose client base includes Rogers and the Canadian Cancer Society, among others, will now operate under the Valtech name, and will retain its staff across its offices in Toronto, Ottawa and Brazil. Valtech Canada first came to be through its acquisition of Montreal’s Will.I.Am last year.

Interbrand Canada has added to its senior leadership team. Dawn Whiteman has joined the agency in Toronto as senior director of strategy. Whiteman, who has more than 20 years of experience at agencies including Cossette and J. Walter Thompson, was most recently director of planning at Extreme Group.

Toronto agency Open has made new promotions and additions to its staff. Anne Ngo has been promoted to director of client service, leading the account group and continuing to oversee key client accounts, while Nicolas Rouleau has been promoted to account supervisor, leading the business for Toys “R” Us and Babies “R” Us and Twitter. Meanwhile, the agency has added Hillary Pitcher to its team as account supervisor on the Boulart and Kelseys business and Jennifer Feldman has been hired as a social media manager on the Food Basics account.

MDC Partners agency Kwittken has been named communications AOR in Canada and the U.S. for Leesa, an online luxury mattress company. The mandate includes driving awareness of the brand’s products through media relations, content marketing, influencer engagement and executive visibility.

Ottawa design and marketing agency Soshal has announced two recent agency of record wins. The first comes from internet service provider Xplornet, which named the agency as its digital AOR, while it has also been named AOR for the Ottawa 67s and Ottawa Fury.