You may also want to look for someone who specializes in your particular problem.

"You have to get someone who specializes in a number of things."

And because it specializes in the food industry, he said, the company can continue growing during bad economic times.

He specializes in Chinese politics, foreign policy, human rights and political culture.

I know a doctor who specializes in that sort of thing.

He specializes in the study of African history and politics.

There is also an executive who specializes in new business.

The company specializes in social media strategy, design and development.

He specializes in international relations, foreign policy, and nation building.

You do not have to see a doctor who specializes in sexual health.