Alibaba Group Holding has trimmed its partnership – a key corporate governance body for the e-commerce and artificial intelligence (AI) giant – as it embraces younger business leaders and strives to return to a start-up mindset. Nine executives and company veterans – including former CEO Daniel Zhang Yong, 53, and fellow co-founders Trudy Dai Shan, 48, and Lucy Peng Lei, 51, who started the company with Jack Ma in 1999 – have exited the partnership, according to Alibaba’s annual report released...