The phrase "a pattern of leadership" is correct and usable in written English.
It can be used to describe a consistent style or approach to leading others within an organization or group.
Example: "The new CEO established a pattern of leadership that emphasized collaboration and transparency."
Alternatives: "a leadership style" or "a leadership approach".
Over the past couple of days, many of the BBC's top journalists and presenters have unleashed angry outbursts against the broadcaster's management, mainly directed at Mr. Entwistle and Mr. Thompson for what the employees have called a pattern of failed leadership.
There appear to be many reasons for this failure: the absence of any democratic tradition, a long historical pattern of leadership by strongmen, and, not least, the fact that neither Moscow nor Washington has shown much interest in promoting a different kind of politics.
Many of his fellow moderates cast the same votes; what is intriguing about Lazio's record is a pattern of voting with the leadership and against virtually the entire body of moderates, especially on the symbolic and social issues that most of the moderates find embarrassing, but that conservatives like Armey and DeLay take so seriously.
The report details a pattern of miscommunication and describes campus leadership as inadequate.
It is understood that some at the top of Labour viewed his intervention as part of a pattern of hostile and abusive behaviour towards the leadership.
Portman's record shows a pattern of anti-environment stances promoted by GOP leadership.
The poor level of Asian Australians in leadership positions appears to replicate a pattern of invisibility that exists within Australian culture.
That is difficult to determine, but what the military leadership did (exploit Pat's death through a pattern of lies) is clear.
America's leadership in the world is called into question because of a pattern of indecision and inconsistency.
