She developed a particular expertise in festival management and cultural tourism.

"In the past it has not been viewed as something that required particular expertise."

His particular expertise was in the laws of the game.

Does he have any particular expertise in this field?

Given time available to train new staff it is not necessary to keep more than a nucleus in that particular expertise.

She developed particular expertise in constitutional, administrative and commercial law.

Some of the emerging markets I have particular expertise in are quite small.

Where the export house has particular expertise in a country or an industry.

Many calls from lawyers were requests for a particular expertise.

He has particular expertise in the field of sustainable water management.