Who Knows What? Finding in-house experts isn't easy. But most companies make it harder than it should be.

Every big company has in-house experts. So why don't they use them more?

In-house experts, with their specialized knowledge and skills, could be invaluable to both colleagues and managers. But often workers who could use their help in other departments and locations don't even know they exist.

Talk about a waste! Because of an inability to tap expertise, problems go...