The team creator cannot leave its own team but can be replaced by giving up his user credentials and passing it along to another team member.
To change the user credentials you need to go under the Settings and then open the Account tab. There is where you change and pass the account's credentials to another person.
The most important thing is that a person who inherits the account needs to change the password.
To learn more about user account settings in SciNote watch our video tutorial.