Complex sentence: Under David Cameron's leadership of the Conservative Party, in 2007 she was promoted further to become Conservative Party Chairman, and in 2009 she was moved sideways in another reshuffle to the role of Shadow Secretary of State for Communities and Local Government.
Split into simpler sentences: Under David Cameron's leadership of the Conservative Party, in 2007 she was promoted further to become Conservative Party Chairman. In 2009 she was moved in another reshuffle to the role of Shadow Secretary of State for Communities and Local Government.