Here's a short list of resources to get you started.
1
Review the NET Wiki for a description of Team Leader Responsibilities, including both the "blue sky" and incident team leader roles. It includes links to required training, which can be completed after being elected as a team leader.
2
Check out the NET Team Leader Training Program, also on the NET Wiki. This short program includes an onboarding checklist, and required and optional training specifically for Team Leaders.
3
Developed by peer Team Leaders, Team Developmental Arcs are activity modules or curricula to give Team Leaders a roadmap for team development. For example, Development Arc I lists 11 activities to help Team Leaders facilitate team organization and cohesion.
4
<<Review list of networks and join as appropriate>>