The phrase "area expertise" is correct and usable in written English.
You can use this phrase to refer to an individual's knowledge or experience in a particular field or topic. For example, "My colleague has extensive area expertise in the field of accounting."
Our people are coming through with the content area expertise.
These are great works of travel, but they are also the gold standard of area expertise.
McCandliss, B. D., Cohen, L. & Dehaene, S. The visual word form area: expertise for reading in the fusiform gyrus.
The Foreign Languages and Area Studies FLASS) Fellowships promote foreign language competence and international world area knowledge by ensuring the continuance of area expertise in a variety of fields, including academe.
The Graduate Certificate of Concentration in African Studies enables graduate and professional school students in fields other than African Studies to demonstrate interdisciplinary area expertise, language proficiency, and research competence in African Studies.
"These problems were then compounded by recruiting U.S. police advisers -- some more for U.S. domestic political reasons than out of any competence for the job -- with no area expertise and little or no real knowledge of the mission that the Iraqi security and police forces actually had to perform".
Check bios online for content-area expertise, and ask about how faculty is trained in online instruction (a 40-hour course is typical).
Along with the much-needed continuity you cite, our teachers also bring subject-area expertise, diversity of experience, and demonstrated commitment to academic excellence.
Successful self-made salespeople possess domain-area expertise and speak the corresponding business operations language, or have deep knowledge of the industry's technical language.
Is the organization primarily interested in your subject-area expertise, or in the results you achieved and your impact in your field or in society?
The Master of Arts program trains experienced journalists to go deeper and equips them with subject-area expertise, so they can explain complicated issues to the public.
