Complex sentence: Among his many posts, he has been Chairman of Edinburgh Brook Advisory Centre, Chairman of Council of the Scottish Wildlife Trust and a trustee of the National Museums of Scotland and is President of the Royal Society of Wildlife Trusts.
Split into simpler sentences: Among his many posts, he has been Chairman of Edinburgh Brook Advisory Centre, Chairman of Council of the Scottish Wildlife Trust and a trustee of the National Museums of Scotland. He is President of the Royal Society of Wildlife Trusts.