PCTel promotes David Neumann to senior vice president and general manager, RF Solutions group, and Rishi Bharadwaj to vice president and general manager, Connected Solutions ... ComScore hires David Shiffman, ex-MediaVest, as senior vice president-marketing solutions, and Duncan Trigg, ex-Project Sunblock, as vice president-advertising effectiveness ... RingCentral hires Al Campa, ex-Sierra Ventures, as chief marketing officer ... Returning to Gannett is Bob Sullivan, ex-Scripps Media, hired as senior vice president-programming, Gannett Broadcasting ... Lobbyist registration: InterDigital, wireless technology provider, Kelley Drye, effective Feb. 2.