The staff changes keep coming in the premier's office. Premier Dwight Ball announced Friday afternoon that senior strategist Greg Mercer has been appointed chief of staff. 

In the eight months since the Liberals were elected into office, both the chief of staff and deputy chief of staff have left their positions. Neither were directly replaced.

When Mercer was hired by the premier's office in June, Ball said his role would be that of "senior strategist."

In a news release Friday, he announced that Mercer is taking over for Kelvin Parsons, who resigned as chief of staff on June 30. Parsons served as justice minister and attorney general under the previous Liberal government.

Mercer "has played a key role in the restructuring of the office since he joined the team in June," said Ball in his news release.

"Greg has been instrumental in advising and developing a plan for the future structure of government." 

The appointment comes just one day after it was announced that Nancy O'Connor, who was in charge of Ball's communications during his campaign and worked with him while in opposition, will no longer be director of communications.

O'Connor is being replaced by Andrew Caddell, who will return to the province after working as a senior policy advisor with various federal government departments.