Billionaire tech investor Yuri Milner renounced his Russian citizenship in August, after leaving Russia in 2014; Milner has been an Israeli citizen since 1999 (Joseph Pisani/Wall Street Journal)

Billionaire tech investor Yuri Milner renounced his Russian citizenship in August, after leaving Russia in 2014; Milner has been an Israeli citizen since 1999 — His firm, DST Global, has invested in technology companies including Facebook, Twitter and Airbnb