Leonid Schuldman (60): The former Gazprom manager died in January - before the start of the Ukraine war. Schuldman lived in the same residential area of St. Petersburg as Voronov and was found dead in his bathroom. According to the authorities, a suicide note was found next to the body.
Alexander Tyulakov (61): Three weeks after Schuldmann, the deputy director general of Gazprom's finance department died. Tyulakov was found hanged in his home. However, local reporters reported that the victim's body showed signs of trauma. They suggested that the hanging could only be staged.
Valdislav Avayev (51): In April, Russian media reported that the former deputy head of Gazprom Bank first killed his wife and 13-year-old daughter and then himself. Family friends have denied reports that the crime was an act of jealousy.
Sergej Protosenya (55): Only a few days after Avayev, the multi-millionaire Protosenya is said to have killed his wife and daughter with an ax in Spain. The 55-year-old is said to have hanged himself after the crime. Protosenya was the ex-chairman of the Russian energy company Nowatek, in which Gazprom holds 10 percent of the company's shares. As with Avayev, observers doubt the course of the crime.
Andrei Krukovsky (37): The manager of the ski resort Krasnaya Polyana, operated by Gazprom, died in May. The 37-year-old is said to have fallen off a cliff while hiking.
Everyone, but Schuldman, had criticized Putin for his attack on Ukraine. Probably all tragic isolated cases.