李愚：字沐智，号紫云居士，别署笃静斋主。现居北京，1969年生于浙江。著名画家黄均教授入室弟子。现为北京静德书画院院长、御室爱新觉罗书画院特聘画师、超尘动漫产业俱乐部艺术总监、浙江省美术家协会会员、浙江省书法家协会会员。当代实力派画家，被誉为画坛多面手，曾多次在中国、马来西亚等国家举办个人画展。其作品被马来西亚前首相马哈迪及国内外藏家收藏。中国《人民日报》、《中国书画报》、《美术报》、新华社、马来西亚国家电视台、电台及《星洲日报》为其做多次报道。出版个人画集多部。

Having mentored by the renowned painter Professor Huang Jun, Li Yu is a prominent figure in the world of contemporary Chinese ink painting. Currently residing in Beijing, Li Yu holds diverse roles including the dean of Beijing Jingde Painting and Calligraphy Academy, a specially-appointed painter at Yushi Aixinjueluo Calligraphy and Painting Academy, as well as a member of the Zhejiang Artists Association and Zhejiang Calligraphers Association.

Li Yu has held numerous solo exhibitions held across China, Malaysia, and more. His works has been collected by the former Malaysian Prime Minister Tun Dr Mahathir. He has been featured in publications such as China's "People's Daily" and Xinhua News Agency, as well as Malaysia’s national televisions and Sin Chew Daily. Li Yu's remarkable journey is chronicled through various painting collections that he has published.