The phrase "a series of managers" is correct and usable in written English.
It can be used when referring to multiple managers in a sequence or group, often in a business or organizational context.
Example: "The project was overseen by a series of managers, each bringing their unique expertise to the team."
Alternatives: "a group of managers" or "a succession of managers".
Morrison was hotheaded and irritating to many of the musicians who played with him, and he exasperated a series of managers.
Throughout this turmoil the company ran through a series of managers.
Chief executive Jez Moxey had initially targeted a more experienced candidate, describing the vacancy as "not a job for a novice", but failed to convince a series of managers that the role was for them.
The Thanet United era saw a run of generally mediocre seasons in the Southern League Southern Division, with financial problems continuing unabated and a series of managers coming and going.
After the second Manchester League win, Leek joined the Cheshire County League, where they were league champions at the second attempt in the 1974 75 season, but after Ogden left in 1975 to take over as manager of Northwich Victoria a series of managers came and went in quick succession without being able to maintain this level of success.
A series of emergency managers have headed the district in the seven years since.
A series of emergency managers, accountable only to the governor who appointed them, held near-dictatorial power over an impoverished city of 100,000 residents – a majority of whom are African American.
Wolves have also been wasteful, retaining most of the squad who slid out of the Premier League but accelerating their downward momentum by appointing a series of inexperienced managers with totally different styles.
He said the Bank had expected the main sectors of Britain's economy to bounce back after the initial impact of the referendum in July, as shown in a series of purchasing managers' indexes published in recent days.
✒"We're paying the price for undermining a series of decent managers … pock-marked by one ugly dispute in the press after another, which is extremely undignified," said Daily Telegraph editor Tony Gallagher.
A series of purchasing managers' index (PMI) surveys suggested that the eurozone economy shrank by 0.5% or 0.6% in the fourth quarter, following 0.2% growth in the third quarter, according to survey compiler Markit.
