Roll Call: Diffusion, Marketwire, G2 USA, and More

Diffusion, a London-based PR and Communications agency, has launched its first international office in New York. A four-strong Madison Avenue team will implement campaigns across traditional and social media channels for brands in the consumer, technology and mobile space. Diffusion’s three launch clients include mobile phone recycling pioneer SellCell.com and mobile software specialist Antenna. The agency’s US operations will be led by Diffusion co-founder Ivan Ristic and supported by Dan Tudesco, who is a new addition to the team.