字节跳动AI团队重要人事变动：视觉基础研究负责人冯佳时离职。他拥有中科大本科、中科院硕士、新加坡国立大学博士学历，曾在海外高校任教，在计算机视觉领域具有深厚学术背景。这一变动引发AI研究圈关注。
字节跳动视觉大模型团队负责人杨建朝因家庭因素宣布暂时休息，由前阿里通义千问技术负责人周畅接任。此次人事变动正值字节AI部门调整期，引发外界对技术路线稳定性的关注。杨建朝的工作资料仍保留在内部系统，周畅将带领分布全球的Seed团队继续视觉多模态生成等研究。公司强调将持续投入基础研究，期待新负责人带来创新活力。这一变动凸显了科技行业在快速发展中平衡工作与健康的重要性。
【140字概括】字节跳动视觉AI负责人杨建朝因工作强度及家庭原因暂别岗位，由原阿里M6负责人周畅接任。杨建朝是字节AI核心人物，2018年加入后主导视觉模型研发；继任者周畅为复旦北大背景的AI专家，曾打造阿里M6模型。此次人事变动引发对团队稳定性关注，但字节强调Seed视觉模型团队（专注图像/视频生成）的全球布局及基础研究投入不变。核心团队向谷歌DeepMind前副总裁吴永辉汇报。
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