| 1989-1990 | Deputy Head, Rakvere Nature Protection Administration, Rakvere
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| 1990-1995 | Head, Environment Department; Head, Nature Protection Service, Rakvere
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| 1995-2003 | Governor, Lääne-Viru County, Rakvere
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| 2003-2005 | Minister of Social Affairs, Republic of Estonia; Member, X. Riigikogu, Tallin
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| 2007-2009 | Member, XI. Riigikogu, Tallin
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| 2009-2011 | Minister of Internal Affairs, Republic of Estonia, Tallin
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| 2011-2015 | Member, XII. Riigikogu, Tallin
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| since 2015 | Minister of the Environment, Republic of Estonia, Tallin |
