Luca Petaccia is a scientist and the head of the BaDElPh beamline at the Elettra Synchrotron Light Laboratory in Triest, Italy. He graduated in Physics, cum laude, from the Sapienza University of Rome in 1995 and earned his PhD degree in Physics from the University of L\'Aquila in 2002. He was also a research fellow at the TASC-INFM national laboratory of Triest from 1997 to 2001. Then he has joined in Elettra as a beamline scientist and he has been promoted in charge of BaDElPh since 2007. He has a wealth of experience in photoemission spectroscopies and, in particular, in high-resolution angle-resolved photoemission spectroscopy (ARPES), which he exploits to carry out research in the fields of surface and nano science. To date, he has contributed over 100 publications in international peer-reviewed journals and has given several invited and oral contributions at various international meetings, schools, and conferences.