The phrase "authority in the fields of" is correct and usable in written English.
It can be used when referring to someone's expertise or recognized power in specific areas or disciplines.
Example: "Dr. Smith is an authority in the fields of neuroscience and psychology, often consulted for her insights on cognitive behavior."
Alternatives: "expert in the areas of" or "specialist in the domains of".
Acheson J. Duncan was an authority in the fields of industrial statistics and quality control.
Acheson J. Duncan was born September 24, 1904 in Leonia, New Jersey and was an authority in the fields of industrial statistics and quality control.
A renowned authority in the fields of world systems analysis and historical sociology, Arrighi, 71, came to Johns Hopkins in 1998 to anchor the Sociology Department's comparative-historical group.
Taddy is a recognized authority in the fields of Marketing, Innovation, Branding, and Competitive Strategy.
She is one of Lebanon's foremost authorities in the fields of community engagement, research and development and gender equality. .
Vikki S. Ziegler, Esq., partner and co-founder of Ziegler & Zemsky, LLC, is one of New Jersey's most well-known and sought after legal authorities in the fields of matrimonial and family law.
With help from some of the world's most respected authorities in the fields of marine science and commercial fishing, as well as other influential activists, and a very talented co-author, Mike D'Orso, I wrote "Oceana: Our Endangered Oceans and What We Can Do to Save Them "-- a book that describes the most critical threats to the oceans and how we can turn them around.
Authorities in the fields of obstetrics and anaesthesia encourage use of labour analgesia.
Edward (Ned) Hallowell, M.D., a child and adult psychiatrist, is a New York Times bestselling author, world-renowned speaker and leading authority in the field of ADHD.
Russell Lincoln Ackoff is a recognized authority in the field of operations research and systems theory.
He was a noted authority in the field of mass spectroscopy and the application of mass spectrographs as research tools.
