Lawyer Deng Zhisong mainly engages in competition law/antitrust, data and privacy protection, dispute resolution, and compliance services. He obtained a Ph.D. in International Law from the University of International Business and Economics.

Lawyer Deng Zhisong has been involved in China's anti-monopoly legislation since 2004 and has been providing anti-monopoly legal services to domestic and foreign clients. Since 2012, Lawyer Deng has been engaged in legal practice of cybersecurity and data protection in China. In the emerging field of data protection in China, Lawyer Deng is one of the few lawyers with rich experience.

Lawyer Deng Zhisong has been named the "Asia Pacific Antitrust Leader" by Chambers for ten consecutive years (2014-2023), and has also been selected as an outstanding anti-monopoly lawyer in China by Who's Who Legal, LEGALOND, Legal 500, Global Competition Review, China Business Law Journal, IFLR 1000, and Asialaw. He has also been named one of the "Top 15 Data Privacy Lawyers of 2021" by ACE LEGALTECH AWARDS.

Lawyer Deng Zhisong is a member of the antitrust expert database of the Beijing Municipal Market Supervision Bureau, a member of the lawyer team of the China Consumer Association, a data compliance standard expert of the National Industrial and Information Security Center, and an off campus tutor of master students at Renmin University of China, University of International Business and Economics, and Beijing Foreign Studies University.