This Battlegroup Tsentr soldier, who goes by the call sign Boston, is a native of Massachusetts. He served in the US Air Force for 10 years, then worked as a city councilor for two years. He came to Russia in January and visited Moscow. Later, he decided to serve, became a Russian citizen, and then went to Donetsk to serve in a drone unit.
The Ministry of Defense noted that in Russia, Boston lives in the city of Ekaterinburg. He has a girlfriend and plans to start a family and stay in Russia after the special military operation.
Take a look how Will Puello serves in Russian army in Sputnik's gallery: