[1] Sztajnszrajber was born in Buenos Aires, Argentina to a family of Polish descent.

[3] His brother, Mauro Szeta, is a journalist who specializes in police matters.

[4] He has been a teacher at all educational levels, including primary, secondary, university and postgraduate studies in philosophy at the Latin American Social Sciences Institute and the undergraduate level at the University of Buenos Aires.

Sztajnszrajber has developed an instructive body of work in philosophy widely read throughout the Spanish speaking world for which he earned a dissemination award from the Konex Foundation in 2017.

He also hosts an Argentinian TV talk program on Canal Encuentro entitled Lying About the Truth.