The phrase "ambitious culmination" is correct and usable in written English.
It can be used to describe a significant or grand conclusion to a project, effort, or journey that reflects high aspirations or goals.
Example: "The ambitious culmination of their years of research resulted in a groundbreaking discovery that changed the field forever."
Alternatives: "grand finale" or "aspirational conclusion".
Sunday's ambitious program, the culmination of a joint project between the Weill Music Institute and the high school choirs — with more than 400 students participating — also presented the premieres of three works for chorus and orchestra by high school student composers from around the country commissioned by Carnegie Hall.
Probably the most spectacular is the culmination of an ambitious project helmed by Martin Scorsese and entitled 'Martin Scorsese Presents The Blues : A Musical Journey.' This consists of seven full-length films shown on America's Public Broadcasting Service and also available on DVD, directed by luminaries including Clint Eastwood, Wim Wenders, Mike Figgis and Scorsese himself.
In an article published in The Tampa Tribune, editor Philip Booth praised the record as "an ambitious effort that amounts to a culmination and blossoming of the musical forces that have been brewing in the band's sound since Kiedis and Flea birthed the band in 1983".
Recently, Cloughley and her colleagues could be seen roving the galleries of the American Wing, researching the production that is to serve as the culmination of their residency: an ambitious investigation of what it means to be an American, titled "The Way They Live".
"Before this year is out, we can expect to witness the culmination of one of the most ambitious projects in the history of biology," she said.
The release of a remastered HD version of "Our Latin Thing " (accompanied by a double CD soundtrack), is the culmination of a much broader and ambitious Fania program aimed at capitalizing on the label's vast holdings.
His appointment as the White House's car czar, in charge of its ambitious plan to reorganize General Motors and Chrysler, was in part the culmination of years of hosting fund-raisers and writing opinion articles on economic issues in major newspapers.
The decision, in a case argued by a team of lawyers headed by David Boies, the Justice Department's special counsel, was the culmination of the Clinton administration's most ambitious antitrust effort.
Then, throughout the elected candidate's first term, his/her efforts are a culmination of their attempts at "making good" on their ambitious campaign promises while further attempting to keep things steady so as to secure their chances of re-election.
The ambitious enterprise was a fitting centerpiece of the London 2012 Festival, the culmination of the cultural Olympiad: Nearly 26,000 people, many traveling from far-off places, saw the shows, which drew long lines of dancegoers waiting for returns, a fervent eBay trade in tickets and standing ovations at every performance I attended.
