These are the general overseer, the three assistant general overseers, and the secretary general. Slave overseers were authorized to whip and punish slaves. He delegated authority to twelve overseers, ordained ministers, and commissioned missionaries. A branch may appoint qualified local elders as "substitute" circuit overseers. There were inspectors of doctors, overseers and chief doctors. Masters and overseers were seldom prosecuted under these laws. A whole class of petty officials, tax farmers, clerks and overseers made this possible. Serving as slave "patrollers" and "overseers" offered white southerners positions of power and honor. Slave "patrollers" and "overseers" also won prestige in their communities. This included dealing with slave overseers or the farm's labor itself. The students were supervised by officials called "bideioi" ("overseers") and a "patronomos" ("guardian of law"). Pritzker was elected to a six-year term on the Harvard Board of Overseers in 2002. The Chief Overseers at Mauthausen were firstly Margarete Freinberger, and then Jane Bernigau. Some of these men turned on those who had been their overseers at Mittelbau. He is Chairman of the Board of Overseers at Cornell Tech.