Complex sentence: After extensive fieldwork with Médecins Sans Frontières (Doctors Without Borders), in 1998 Orbinski was elected President of the International Council at the time the organization received the 1999 Nobel Peace Prize.
Split into simpler sentences: After extensive fieldwork with Médecins Sans Frontières (Doctors Without Borders), in 1998 Orbinski was elected President of the International Council. He was MSF International Council president at the time the organization received the 1999 Nobel Peace Prize.