Saeed obtained his PhD in Medical Physics from Tehran University of Medical Sciences (TUMS) in 2013. His first postdoctoral fellowship was in nanomedicine, soon becoming an Assistant Professor at the Radiation Application Research School, Nuclear Science and Technology Research Institute (NSTRI), Tehran, Iran for two years. After his second postdoc in Belgium (UMONS, Mons) in 2016, Saeed moved to Canada to do a third postdoc in medical imaging. He moved to Singapore and worked as a senior research fellow at the department of pharmacy at National University of Singapore (NUS) in October 2019. Saeed has published more than 30 peer-reviewed papers as the first or corresponding author. He joined Preclinical, Imaging and Research Laboratories (PIRL) as a NIF fellow in Feb 2021.