Nielsen promotes Karthik Rao to CEO, succeeding David Kenny, moving to executive chairman ... Cyber resilience company Semperis adds Chris Inglis, former national cyber director under President Joe Biden, to its strategic advisory board ... Tech investment firm Anzu Partners elects principal Cathryn Paine as partner ... Voiceitt, speech recognition platform for people with speech disabilities, taps Alyson Pace, former Cisco director-strategy, business development and partnerships in its collaboration business, as CEO, succeeding Danny Weissberg, co-founder, who remains a strategic adviser and board member ... Rokt, e-commerce tech company, names BGH Capital’s Terry Bowen president-chief operating officer ... Airlinq, connectivity platform for communication service providers, taps Mobileum’s Vangipuram Kishore as COO ... Grace Koh, formerly of Nokia, who headed the U.S. delegation to the ITU World Radiocommunication Conference in 2019, becomes Ciena’s vice president-government relations … AMC Networks promotes Georgia Juvelis to chief communications officer ... Department of Homeland Security announces Eric Hysen as its first chief AI officer; he also continues to serve as chief information officer.