Promoting Members in your Mafia

Use this as a guide:

Mastermind - Choose the member with the most jobs completed and promote the best member to Mastermind for increased experience points when doing jobs.
Wheelman - Choose the member with the highest level, find and promote the best member with the Fearless character type to Wheelman for reduced energy cost on jobs.
Button Man - Choose the member with the highest level, find and promote the best member with the Maniac character type to Button Man for an increase in Attack.
Bodyguard - Choose the member with the most fights won and promote the best member to Bodyguard for an increase in Defense.
Safecracker - Choose the member with the most successful heists and promote the best member to Safecracker for increase money from fighting and robbing.
Bagman - Choose the member with the highest level, find and promote the best.