noun
industry expert
Refers to a person with deep knowledge of a particular industry, often used in business or computing contexts.
彼はIT業界の業界精通者として知られている。
He is known as an industry expert in the IT field.
新製品の開発には業界精通者の意見が欠かせない。
The opinion of an industry expert is essential for developing new products.
専門家 is a general term for a specialist or expert in any field, while 業界精通者 specifically emphasizes deep knowledge of a particular industry.
Compound of 業界 (industry) + 精通 (expert knowledge) + 者 (person). The exact historical derivation is uncertain, but the word follows a common pattern for forming agent nouns.