"chief contributor" is a grammatically correct and commonly used phrase in written English.
It can be used to refer to someone who plays a major role in contributing to a particular cause, project, or idea. Here is an example sentence: "John was the chief contributor to the success of our company's latest marketing campaign. His innovative ideas and hard work were integral in achieving our goals."
The bill would regulate tailpipe emission of carbon dioxide, which many scientists believe is the chief contributor to global warming.
Many countries fault the United States for government inaction on climate change, especially given its longtime role as a chief contributor to the problem.
Such high labor costs have been a chief contributor to an exodus of 2.7 million manufacturing jobs over the last three years.
Boden said that in 2010 people were travelling, and manufacturing was back up worldwide, spurring the use of fossil fuels, the chief contributor of man-made climate change.
In support of new Environmental Protection Agency regulations, your Sept. 23 editorial "An Important Step on Global Warming" implies that the American coal industry is the chief contributor to global warming.
Vincent, a professor of medieval history at the University of East Anglia, is also the editor of and chief contributor to a new collection of illustrated essays, "Magna Carta: The Foundation of Freedom, 1215-2015" (Third Millennium).
Tourism, agricultural products (notably oranges), and fishing are among the chief contributors to the economy.
But the program's real innovation comes in its crediting the chief contributors to each biography -- friends, colleagues, children, protégés or admirers of the deceased -- with authorship.
I first came across Reisz's exotic name as a provincial sixth-former in the early Fifties when I graduated from Picturegoer to the magazines for which he wrote - Sequence, which closed in 1951, and the BFI's Sight and Sound, which the chief contributors to Sequence - Gavin Lambert, Lindsay Anderson and Karel Reisz - took over in 1951.
Industry experts cited two factors as chief contributors to the spectacular quarter.
One of the chief contributors to low cost and manufacturing success of the product comes from orchestrating the design to leverage off of commonality between versions of the product.
