Burson-Marsteller | 92,190 followers on LinkedIn. Burson-Marsteller, established in 1953, is a leading global public relations and communications firm. It provides clients with strategic thinking and program execution across a full range of public relations, public affairs, reputation and crisis management, advertising and digital strategies. The firm’s seamless worldwide network consists of 73 offices and 85 affiliate offices, together operating in 110 countries across six continents.