The phrase "a main architect of" is correct and usable in written English.
It can be used to describe someone who plays a significant role in the design or planning of a project, organization, or concept.
Example: "She was a main architect of the new urban development plan that transformed the city."
Alternatives: "a key designer of" or "a principal creator of".
On my desk I have a copy of Douglas Feith's new book, "War and Decision" — the first memoir by a main architect of the war policy in Washington.
Several teachers said that while Mr. Maldonado-Rivera had "incredible vision" as a main architect of the school, his skills as an administrator were lacking.
Mr. Ketchum, then the chief executive of NYSE Regulation and a main architect of the deal, was named chairman of the newly formed Finra board.
"The fact that we did not act tonight is a huge blow," said Senator John McCain, Republican of Arizona, and a main architect of the deal.
Hans A. Bethe, a Nobel winner in physics who was a main architect of the atom bomb, helped write the letter and was the first to sign.
The IMF carries weight, not least because it is a main architect of bail-outs of EU members Ireland, Portugal and Greece where troubled banks have featured prominently.
Republican candidates, for instance, will surely bring up the fact that she was a main architect, promoter and executor of the Obama administration's Russia "reset" policy.
It usually takes a few months of maneuvering before a formateur, as the main architect of such a coalition is known, is ready to accept a royal invitation to form a government.
Kardelj was the main architect of a theory known as socialist self-management, which served as the basis of Yugoslavia's political and economic system and distinguished it from the Soviet system.
For instance, Freedom House - a notorious CIA front and the main architect of the orange revolution in Ukraine - has an office in Tashkent.
In June 2002, for instance, Jeffrey Holmstead, an assistant E.P.A. administrator and the main architect of the new rule, told the Senate that he had been assured by the "enforcement folks" at his agency and the Justice Department that there would not be a "negative impact on enforcement cases".
