Ukraine's tech diaspora races to mobilize Silicon Valley in war with Russia

Supporters gather during a rally organized by Silicon Valley-based humanitarian aid group Nova Ukraine, as Russia's invasion in Ukraine continues, outside the city hall in San Francisco, California, U.S., February 27, 2022. Igor Markov/Nova Ukraine/Handout via REUTERS

OAKLAND, Calif. (Reuters) -Ukrainians working at Western tech companies are banding together to help their besieged homeland, aiming to knock down disinformation websites, encourage Russians to turn against their government, and speed delivery of medical supplies.

They are seeking, through email campaigns and online petitions, to persuade firms such as internet security company Cloudflare Inc, Alphabet Inc's Google and Amazon.com Inc to do more to counter Russia's invasion of Ukraine.