[Origin Agritech Announces Change in Chief Executive Officer Origin Agritech Limited (NASDAQ:SEED) (“Origin” or the “Company”) BEIJING--(BUSINESS WIRE)--September 14, 2011-- Mr. Liang Yuan, President, Chief Executive Officer (CEO), and Director has informed Origin of his intention to resign from his current position as President and Chief Executive Officer for personal reasons effective immediately. Dr. Gengchen Han, Chairman of Origin, will]