An additional constitutional requirement, though less precise in nature, is that a judge "must be a person of proven competence, integrity, probity, and independence."

Elizabeth probably promoted him because of his proven competence as an advocate, not his ideological purity.

As such, it is highly advisable that the authorities undertaking 'building work' should seek expert guidance especially from those with proven competence and wide experience.

Its principal resource is a well-educated population with proven competence in innovation and organization in most fields.

Under the new military code promotion depended on seniority and proven competence, rather than on nobility.

In a statement, Chief Judge Kaye described Judge Lippman as "an extraordinary person of proven competence, creativity, industry and dedication."

Professional dive team members will generally be selected on documented evidence of proven competence or qualification for the tasks allocated.

Technical teams will also generally base appointments on proven competence, certification or personal trust.

Companies are looking for brand names, and it is on a student's 'proven' competence with these products that they are given employment.

The final constellation is characterised by broad and proven competence, a network of established working relationships, and high-level roles/connections within other significant projects in this domain...