Because he worked with the team that has the experience and the results of the past work and his team work more efficiently and be successful as a team and an organization's goals.
He worked with a team of experienced, highly functional. The results of his work, the team work more efficiently and achieve the goals of the team and the organization.
Because he works together with a team of experienced career high. And from the past his team work effectively and achieve the target of teams and organizations.