After a six-months appointment at the Center for Astrophysics | Harvard & Smithsonian (Cambridge, MA, USA) in 2011 as a visiting scientist under the supervision of Dr. G. Fabbiano, he worked as a post-doc work at the Center for Astrophysics | Harvard & Smithsonian, first under the supervision of Dr. G. Fabbiano to study the multi-wavelength emission of AGN (2011-2014), and then under the supervision of Dr. D.-W. Kim, studying the extended X-ray emission in galaxies and developing pipelines for spectral and imaging analysis of X-ray data (2014-2016). After another six-months appointment as a visiting scientist in 2017 at the Center for Astrophysics | Harvard & Smithsonian under the supervision of Dr. D.-W. Kim, he worked at the University of Turin (Torino, Italy) as a post-doc under the supervision of Prof. F. Massaro and at the Astrophysical Observatory of Turin (Pino Torinese, Italy) as an AstroFIt2 fellow under the supervision of Dr. C. Raiteri, to study the large scale environment and the extended emission of radio sources and unidentified gamma-ray sources, and the multi-wavelength variability and polarization of blazars (2017-2023). Since March 2024, he has been a postdoctoral researcher under the supervision of Dr. Y. Liodakis in the BOOTES project.