“Find out what high-performing team members are doing and ask them to teach that idea to the rest of the team.”
My additional two cents on human resources: your own workplace observations and behavioural interview questions will show you respectively which prospective job candidates and which of your staff members are most capable of providing your clients with excellent service.
(For more information on behavioural interview questions, please see my following post dated 10 December/12. http://vicg8hr.blogspot.ca/2012/12/behavioural-interviewing-101_10.html)
Mr. Meyer also advises: