DAVID RYDER/Reuters
- Boeing CEO Dave Calhoun will step down at the end of 2024, he announced Monday.
- He has faced significant scrutiny over the Alaska Airlines 737 Max 9 door blowout in January.
- In a memo to staff, he said he has been considering when to leave the company for some time.
Boeing CEO Dave Calhoun is stepping down.
Calhoun announced in a memo to staff on Monday that this year would be his last as CEO after four years at its helm.