The phrase "a main backer of" is correct and usable in written English.
It can be used to describe someone or an entity that provides significant support or funding for a project, initiative, or organization.
Example: "The new art exhibit was made possible thanks to a main backer of the local arts council."
Alternatives: "a primary supporter of" or "a key sponsor of".
The Hamas leadership has refused to express support for Mr. Assad despite pressure from Iran, a main backer of Hamas.
A main backer of the change in the law was Representative Donald L. Sherwood, a Republican whose district in Pennsylvania includes Montoursville.
Petro Poroshenko, Roshen's owner and Ukraine's seventh-richest man, was a main backer of the Euromaidan protests that ousted President Viktor Yanukovych.
Augusto knows that Miami is also a strong candidate, and that the Brazilian company Traffic, a main backer of the North American Soccer League, already has team in South Florida, in the second division of American soccer.
A main backer of the deal is George E. Norcross III, an insurance magnate and Democratic power broker who dominates politics in South Jersey and projects enormous influence across the state, who hoped to make a prestigious research university out of Rowan.
Leicester was engaged in many large-scale business ventures and a main backer of Francis Drake and other explorers and privateers.
Britain, a main backer, with France, of more all-European defence, has gone down this road precisely to prove itself a "good European", not because its vision of the world has changed in some fundamental way.America also wants reassurance that European countries that are members of NATO, but not of the EU, will have a say in Europe's plans.
The Rome institution has been infused with new life thanks to sponsors like Ermenegildo Zegna, which co-produced a show this year, and the Fendi brand, which is the main backer of a coming Jeff Koons exhibit of four sculptures.
That community had watched as the company ploughed money and marketing into Dogecoin, even becoming the main backer of a successful attempt to sponsor a Nascar racer, and had wondered why Green had zero online footprint – a rarity for the digitally savvy.
One provision would require the chief executive of any company or group that is the main backer of a campaign advertisement to personally appear in television and radio spots to acknowledge the sponsorship, the officials said.
He became the main backer of a determined effort to crush Phan's forces, using every means available: political, psychological and economic.
