1982 — graduated from the Moscow Power Engineering Institute with a degree in Power Systems and Grids.
1989–2004 — engineer, senior engineer, head of the Russian representative office of Technopromexport in Vietnam, director of Energovolt, which is a member of Technopromexport.
2004–2008 — deputy head of the Export Department of JSC RAO UES, deputy head of the Project Group.
2008 — appointed as a deputy CEO of JSC EEC.
Since December 2009 — head of the Far Eastern Division in JSC Inter RAO UES.
July 2010 – February 2011 — Chairman of the Board of Directors of JSC EEC.
Since February 22, 2011 — CEO of JSC Eastern Energy Company.
Mr. Shashmurin has the title of Honorary Worker of Fuel and Energy Industry and is awarded with a jubilee decoration "85th anniversary of the GOELRO plan".