Lin-Hua Wu, who previously served as chief communications officer, will take on the role of chief communications and marketing officer starting November 3. Norm de Greve, formerly GM’s chief marketing officer, will move into the position of chief growth officer.Wu, 54, will be based in San Francisco and will report to both GM Chair and CEO Mary Barra in her capacity as chief communications officer, and to GM President Mark Reuss as chief marketing officer. De Greve, 56, who previously reported to Reuss, will now report to Wu.A GM spokesperson explained the move, saying the company has combined communications and marketing into a single team to “ensure a cohesive strategy across owned, earned, and paid media and increase overall impact for the business.”De Greve joined GM in July 2023 as senior vice president and chief marketing officer, taking over from Deborah Wahl, who retired in March. Wu joined GM in August 2023 as senior vice president and chief communications officer, succeeding Craig Buchholz. In her previous role, Wu reported solely to Barra.During her tenure as CCO, Wu and her team focused on expanding GM’s owned channels, launching the GM News site, and boosting engagement with creators and influencers, while advancing storytelling around the company’s technology and innovation initiatives.Before joining GM, Wu held the role of vice president of global communications and public affairs at Google for 2½ years. She also worked at Dropbox from 2016 to 2021, including as chief communications officer, and previously led corporate communications for Square (now Block).De Greve served as CMO at CVS Health for eight years prior to joining GM. He also spent over a decade at digital marketing firm Digitas, including as president of the Boston and Detroit offices, where he contributed to advancing digital marketing for GM.