Complex sentence: Hares Youssef is a patron of many charities in Ukraine, notably he is involved with the orphan oriented charity "Ukraine 3000", which is chaired by former first lady Katherine Yushchenko.
Split into simpler sentences: Hares Youssef is a patron of many charities in Ukraine. Most notably he is involved with the orphan oriented charity "Ukraine 3000", which is chaired by former first lady Katherine Yushchenko.