He is a specialist in that field.

The cause of his lateness was a train delay.

A team of experts was organized to analyze the cause of the accident.

He is doing his best to determine the cause of the accident.

He was in a traffic accident yesterday.

He didn't think an incident would occur to him.

We are forming a team for the new project.

His specialty is physics.

We decided to establish a new organization.

We held a meeting to organize the event for next week.