They do have a large R&D presence in China. As of January 2020, they had 2,532 full-time employees. Of those, 1,396 were in the US and 1,136 were in internatio

They do have a large R&D presence in China. As of January 2020, they had 2,532 full-time employees. Of those, 1,396 were in the US and 1,136 were in international locations. Within the 1,136 is "more than 700" employees in R&D in China.[1] A LinkedIn search for "engineer" working for "Zoom Video Communications" in location "United States" shows up 558 results.[2] Their entire management team is in the US, and of their 17 data centres, only 1 is in China.[3][4] [1] https://www.sec.gov/ix?doc=/Archives/edgar/data/1585521/000158552120000095/zm-20200131.htm https://www.sec.gov/ix?doc=/Archives/edgar/data/1585521/0001... [2] https://www.linkedin.com/search/results/people/?facetCurrentCompany=%5B%222532259%22%5D&facetGeoRegion=%5B%22us%3A0%22%5D&keywords=engineer&origin=FACETED_SEARCH https://www.linkedin.com/search/results/people/?facetCurrent... [3] https://zoom.us/team https://zoom.us/team [4] https://blog.zoom.us/wordpress/2020/05/04/navigating-a-new-chapter-for-zoom/ https://blog.zoom.us/wordpress/2020/05/04/navigating-a-new-c...