Bright and early on Thursday, PETA supporters will descend on the home of Project Lead the Way (PLTW) CEO David Dimmett to call for an end to the locally Bright and early on Thursday, PETA supporters will descend on the home of Project Lead the Way (PLTW) CEO David Dimmett to call for an end to the locally based science technology, engineering, and mathematics (STEM) education company’s use of animal dissection in school science classes. PLTW has asked students to cut into the gruesome corpses of piglets who were torn from their mothers’ bodies in slaughterhouses as well as sheep’s hearts and brains, cows’ eyes, and pigs’ kidneys.