The phrase "prove expertise" is correct and usable in written English.
You can use it when discussing the demonstration or validation of someone's skills or knowledge in a particular field.
Example: "To advance in your career, you must find ways to prove expertise in your area of specialization."
Alternatives: "demonstrate proficiency" or "validate skills."
The US and Israel have (alleged) proven expertise in this area, as shown by the success of the Stuxnet bug that disrupted Iran's nuclear programme.
Certifications proving expertise in these companies' products indicate the bearer is qualified, for instance, to support Microsoft's Windows NT servers or to service Novell networks.
Our approach is fundamentally reusable, thus addressing the increasing complexity of manycore architectures as well as alleviating the need for proving expertise.
NuTonomy has proven expertise in building software for self-driving vehicles, while Grab has the know-how in fleet routing technology and localized mapping.
Right until the day before the IPO, King is going to retain the option to simply sell itself to some company which wants proven expertise at making enormous profits in the world of mobile-native apps.
We only allow authors to write on a subject on which they have proven expertise, which they must disclose alongside their article.
The fledgling companies have yet to prove their expertise, and the bigger companies often deliver late and overbudget.
He is scarcely required to prove his expertise; the thrill of watching the marshals blunder through a graveyard during a hurricane, or Teddy tiptoe through Ward C, the maximum-security wing, with light and water dripping from on high and misting spookily underfoot, shows a director in such command of his skills that no pathetic fallacy escapes him.
Speaking to a small audience at Public School 24, a new Spanish-English, dual-language elementary school in the working-class neighborhood of Sunset Park, Mr. Bradley also outlined his proposals to double federal Title I financing for schools in poor neighborhoods, require teachers to prove their expertise and offer incentives to recruit teachers to needy rural and urban schools.
Prove your expertise with content creation.
