In a custom list view, you can filter account lists by the account teams in which you are a member.
When creating or editing a custom list view for accounts, select the My Account Teams filter, the same in Opportunity List view you can filter by owner My Opportunity Teams.
- I am member of Account Team, no matter who is the Account owner.
- This will not include of my subordinates who is member of Account Team
My Opportunity Teams:
- I am member of Opportunity Team, no matter who is the Opportunity owner.
- This will not include of my subordinates who is member of Opportunity Team