The phrase "a great asset to the team" is a complimentary expression used to describe someone who contributes positively and significantly to their group or organization. Full definition
I believe I would be of great asset to any team as I have always been able to adapt to any environment and has never been afraid of hard work. (resume-now.com)
«Her knowledge and expertise from the Home Office and understanding of the Immigration Act will be great assets to the team in what looks like another eventful year now Article 50 is set to be triggered.» (newlawjournal.co.uk)
«Mike's exceptional experience after more than two decades with some of the elite labels in the spirits business will be a great asset to our team,» said Mr. Graff, who has served as counsel to wholesalers in litigation across the United States, challenging state statutes prohibiting the cross border shipment of alcohol beverages. (fb101.com)