It is the team sponsor's responsibility to

The team sponsor plays a crucial role in supporting the team’s initiatives and ensuring their success. They provide guidance, resources, and advocacy for the team’s projects and activities. By reviewing progress, offering encouragement, and facilitating necessary resources, the team sponsor contributes to the team’s effectiveness and overall performance. Their focus is on enabling the team to achieve its goals and objectives. While other responsibilities listed (setting agendas, coaching, and helping with presentations) are important, the primary responsibility of the team sponsor is to support and champion the team’s efforts1.

References: 1: The ASQ Certified Manager of Quality/Organizational Excellence Handbook, Fifth Edition. Sandra L. Furterer and Douglas C. Wood. ASQ Quality Press, 2021. Link