In a similar incident in early July, an animal rights activist got within 3ft (1m) of Amazon boss Jeff Bezos during a presentation he was making at a conference in Las Vegas.
Chinese police have arrested a man in connection with an incident that left the boss of tech giant Baidu drenched with water.
The incident happened at the Baidu Create 2019 conference in Beijing.
Beijing police said a man had been placed in administrative detention on suspicion of "picking quarrels and provoking trouble".
Priya Sawhney, of the Direct Action Everywhere group, was protesting about the treatment of animals at a farm that suppliers Amazon and others with meat.
Chief executive Robin Li was giving a speech when a man climbed on stage, grabbed him and upended a bottle of water over him.
Baidu is China’s top search provider and has regularly faced criticism from the public over the quality of the search results it provides.
Man arrested over Baidu boss drenching https://t.co/tM6539Ae7D— BBC News Technology (@BBCTech) July 4, 2019