WASHINGTON, DC—Burson-Marsteller has hired Jon Potter as an executive vice president, based in the firm’s Washington, DC, and focused on emerging public policy issues, federal and state affairs and international trade. Previously, Potter co-founded and was president of the Application Developers Alliance and was also co-founder and president of the Digital Media Association, a policy-focused association of online media innovators.

SAN FRANCISCO—Allison+Partners has promoted chief creative officer Lisa Rosenberg, global China practice managing director David Wolf, and China managing director Jerry Zhu to partners. In addition, senior vice presidents Kevin Nabipour and Jeremy Rosenberg have been appointed managing directors of Allison+Partners' All Told division. And Julia Farrell  has joined as Allison+Partners' first global chief financial officer; and Shane Winn  has joined as general manager of the agency's Chicago office, bringing two decades of experience with Burson-Marsteller, MetLife and Washington Mutual.

NEW YORK—James Walker has joined Ruder Finn 's US corporate practice as group vice president of social engagement and digital content. Walker has worked with clients such as Capital One, Boehringer Ingelheim, Johnson & Johnson, Deloitte, Microsoft and Nestlé, most recently as vice president, digital and corporate, at Cohn & Wolfe. Prior to that, he was global digital marketing manager at the Nature Conservancy.

WASHINGTON, DC—Ambassador Paula Dobriansky, the former US Undersecretary of State for Global Affairs, and a leading diplomat and foreign policy expert, joined APCO’s international advisory council. Appointed by President George W Bush at the beginning of his administration, Dobriansky served as Undersecretary of State for Global Affairs from 2001-2009. In February 2007, as the President's special envoy to Northern Ireland, Dobriansky contributed to the devolution of power in Belfast. And following her tenure in the State Department, Ambassador Dobriansky headed global government and regulatory affairs at Thomson Reuters

WASHINGTON, DC—Vanguard Communications has added Noralisa Leo as vice president of the diversity and inclusion practice, and Matt Chun as vice president of the digital practice. Leo most recently worked at SKDKnickerbocker, where she led efforts to raise awareness and amplify diverse voices in public policy debates. Prior to Vanguard, Chun worked on digital advocacy campaigns at Social@Ogilvy, including the award-winning #OK2Talk campaign.

BOSTON—PAN Communications has appointed David Bowker as vice president. Bowker joins the agency with more than 18 years of communication experience, most recently with MSLGroup. He specializes in cybersecurity including advanced threat protection, machine learning, forensics as well as security information and event management.

ANNAPOLIS, MD—Crosby Marketing Communications has expanded its digital marketing team with the addition of Shannon Wyman, senior digital program manager. Most recently, Wyman worked with The Berndt Group in Baltimore on website projects for institutions including the University of Maryland Medical System and the Children’s National Health System.