Complex sentence: The Chief Executive and Company Secretary is Claire Horton, assisted by several directors, reporting to the Council of Trustees (Chairman: Heather Love, Vice Chair: Bradley Viner) which reports to the eighty Charity Life Members at its AGM every June.
Split into simpler sentences: The Chief Executive and Company Secretary is Claire Horton, assisted by several directors, reporting to the Council of Trustees, of which the chairman is Heather Love and the Vice chair is Bradley Viner. The Council of Trustees in turn reports to the eighty Charity Life Members at its AGM every June.