Complex sentence: In 2014, HolidayPirates appointed David Armstrong as COO, who was named CEO in 2016, assisting Co-Founders Igor Simonow and Sebastian Kaatz in leading company strategy.
Split into simpler sentences: In 2014, HolidayPirates appointed David Armstrong as COO. He was named CEO in 2016 and assists co-founders Igor Simonow and Sebastian Kaatz in leading company strategy.