Bryant also cautioned against a disruption in cross-border investment, as her company helps bring in investment from around the world, especially China.
WeChat users in the U.S. rushed to install the app before it could disappear from the app stores. They have also turned to QQ, as the ban did not specifically cover this product.
It was unclear how the administration could implement the ban on WeChat in mid-September. It could order Apple Inc and Alphabet Inc's Google to remove WeChat from their app store, or order the apps to stop offering access or updates to U.S. users.
"We have worked with WeChat in the past to identify opportunities to work with restaurants that can get set up. WeChat actually recently started a series where they are working with Napa Valley to promote business there and promote tourism," said Darlene Chiu Bryant, executive director of GlobalSF.