Complex sentence: She is a long time friend of Dr Tedros and was instrumental for leading his Campaign to victory and her overall influence and role was acknowledged by Dr Tedros during a victory party on May 24,2017.
Split into simpler sentences: She is a long time friend of Dr Tedros and was instrumental for leading his Campaign to victory. Her overall influence and role was acknowledged by Dr Tedros during a victory party on May 24,2017.