Hey Baby added Rob "Whitey" McConnaughy to its directorial roster.
Kim Gagne, former senior director of industry affairs for Microsoft, joined APCO Worldwide as a senior advisor.
Quartz hired April Siese as an app writer, Arielle Ray as a video journalist and Abdi Latif Dahir as a writer.
Amobee hired Todd Chu as senior vice president, global operator innovation.
Justworks hired Michael Greten as chief financial officer and Mario Springer as vice president and corporate counsel.
MetTel tapped Mike Azzi to lead corporate communications.
Work & Co hired Daniele Codega as design director.
Foursquare hired Gayle Fuguitt, the former CEO of the Advertising Retail Foundation, as chief of customer insights and innovation.
Comedy Central hired Kellyn Parker as vice president, original programming and development, west coast.
Jessica Sterling joined THREE as a strategist.