Complex sentence: Clarkson is also vice-chair of the board of directors of the dance company La La La Human Steps and, in 2014, was announced as the presenter of that year's Massey Lectures.
Split into simpler sentences: Clarkson is also vice-chair of the board of directors of the dance company La La La Human Steps. In 2014, Clarkson was announced as the presenter of that year's Massey Lectures.