WASHINGTON, DC—Gregory Michaelidis, a former Department of Homeland Security advisor on cybersecurity issues in the Obama Administration, has joined CommCore as a cybersecurity communications consultant. Michaelidis will work with CommCore’s crisis team to assess the communications readiness of organizations to anticipate and respond to cybersecurity attacks, data breaches, and other security incidents.

NEW YORK—PR Boutiques International, a collaborative network of boutique public relations firms, has added two new members to its prestigious group: DPA Communications based in Boston, Mass., and Nucleus Public Relations, headquartered in Bangalore, India. This brings the organization’s membership to 37 agencies, representing 13 countries.

LONDON—Tommy, an independent digital agency, is expanding into Asia and the USA with new offices in Singapore and Los Angeles. With the new offices, Tommy offers around-the-clock digital design and development services, consulting and campaign strategy for its clients, which include Paramount Pictures, Amazon Prime Video, Tesco Mobile and Sony Pictures Entertainment.