History and scholarship
Coffeehouses became hubs of news and debate in 17th-century Europe, which Habermas (1962) analysed as a basis of the bourgeois public sphere. Ellis (2004) and Pendergrast (1999) wrote cultural histories of coffee; Oldenburg (1989) described cafés as 'third places'. Illy and Viani (2005) set out the science of espresso quality.
Getting it
As a private qualification, structure, levels and renewal vary by issuer. Checking registration on the PQI registry first is generally advised. Requirements, subjects, credit and practicum rules, pass criteria and dates can change; always check the administering body's notice and current law.
Work and careers
Useful in cafés, roasteries and hotel F&B;, though employers often value experience more. Some pair it with the bartender licence.
FAQ
- Can I work without one?
- It is generally not legally required.
- Which issuer is best?
- Compare registration, curriculum and industry recognition.
Sources reviewed: 2026-10-26
References
- 민간자격정보서비스(한국직업능력연구원). https://www.pqi.or.kr
- Specialty Coffee Association. https://sca.coffee
- Ellis, M. (2004). The Coffee-House: A Cultural History. Weidenfeld & Nicolson.
- Habermas, J. (1962). Strukturwandel der Öffentlichkeit. Luchterhand. (Eng. trans. 1989, MIT Press)
- Oldenburg, R. (1989). The Great Good Place. Paragon House.
- Pendergrast, M. (1999). Uncommon Grounds: The History of Coffee and How It Transformed Our World. Basic Books.
- Illy, A., & Viani, R. (Eds.). (2005). Espresso Coffee: The Science of Quality (2nd ed.). Elsevier Academic Press.
- Spence, M. (1973). Job market signaling. Quarterly Journal of Economics, 87(3), 355–374.
- Collins, R. (1979). The Credential Society: An Historical Sociology of Education and Stratification. Academic Press.
- Abbott, A. (1988). The System of Professions: An Essay on the Division of Expert Labor. University of Chicago Press.