Swiss wealth management banks show a preference for a lean board structure, as evidenced by our data . The number of board members varies, with a minimum of 3 members in some banks and a maximum of 13 in others. Notably, a significant portion of the banks analyzed have between 5 to 6 board members. This trend suggests a strategic choice for efficiency and perhaps more effective governance, enabling these banks to navigate the complexities of wealth management with agility.