He received his BSc, MSc, and PhD degrees in physics from Antioquia University (Medellín, Colombia) in 2001, 2003, and 2007, respectively. His Doctoral Thesis received the academic distinction of “Summa Cum Laude”. Since 2006 he has been with Antioquia University, where he is Professor in the Physics Institute and coordinator of the Optics and Photonic’s Group. He received the international award “ICO/ICTP GALLIENO DENARDO AWARD” given by the International Commission for Optics (ICO) and the International Centre for Theoretical Physics (ICTP) (Trieste-Italia 2014), he has been selected as “Future Leader 2016” in the Science and Technology in Society (STS) Forum, “Young TWAS Affiliate” of the World Academy of Sciences (TWAS) (2014-2018), “Junior Associate” (2012-2017) and “Regular Associate” (2018-2023) of the International Centre for Theoretical Physics (ICTP), and he was an invited researcher in the frame of the program “Research Stays for Renowned Researchers”, Universidad Politécnica de Valencia (Valencia, Spain, 2011-2012). John Fredy was designated “OSA Senior Member” of the Optical Society (OSA) and “SPIE Senior Member” of the International Society for Optics and Photonics (SPIE).

Some contributions by John Fredy Barrera Ramírez and his collaborators have been selected to be included and highlighted in exclusive sections of journals and prestigious scientific platforms such as the “Research Highlights” section of Nature Photonics, twice the exclusive section “IOPselect” of IOP Science, the special section “Spotlight on Optics” of Optical Society (OSA) (March 2011), twice in the collection “Highlights”, in the Top Downloaded Articles in Image Processing from the OSA Journals over the past two years, 25 occasions in the “Top Downloaded Articles” from OSA Journals., in the “TWAS Annual Report 2012”, and in “Roadmap on optical security” of Journal of Optics.