MELBOURNE—Twenty3 Group, an Australian-owned sport, entertainment and lifestyle marketing group, has taken a strategic stake in leading communications agency AMPR. AMPR, founded in 1994, is led by managing director Sarah Gale, and serves clients in the fashion, retail and consumer industry including Melbourne Fashion Festival, David Jones, Zara, Forever New, Chemist Warehouse Group, Mazda Australia and Asahi Premium Beverages.

BANGKOK—MSLGroup has established a presence in Thailand through the rebranding of Arc PR, one of the leading local communications agencies. Effective immediately, Arc PR Thailand is part of the MSLGroup network and will operate under the MSL brand in close collaboration with the other Publicis One agencies.

MELBOURNE—Ogilvy Public Relations Australia has named Adam Vincenzini as managing director of the agency's Melbourne office. For the past three years Vincenzini has run his own social and content agency Kamber working with brands such as Coles, Treasury Wine Estates, City of Melbourne, Bank of Melbourne, Melbourne Food and Wine Festival and Village Roadshow.