K. S. Birdi joined Standard Oil of California, Richmond (1957–1958), after graduating from the University of California, Berkeley, 1957. He joined (chief-chemist) UniLever Copenhagen, Copenhagen, Denmark (1959–1966). Later, he was appointed associate professor (1966–1985) and research professor in 1985 (Technical University, Copenhagen; Nordic Science Foundation), and was then appointed, in 1990 (retired in 1999), to the School of Pharmacy, University of Copenhagen, as professor in physical chemistry. Professor Birdi has published various books related to surface and colloid chemistry: (Handbook of Surface and Colloid Chemistry, 1st Ed. (1997), 2nd Ed. (2003), 3rd Ed. (2009), and 4th Ed. (2016), CRC Press, Boca Raton, FL, USA; Surface Chemistry and Geochemistry of Hydraulic Fracturing, CRC Press, Boca Raton, FL, 2017). Professor Birdi has participated in various national and international research projects related to North Sea oil explorations and European Union joint projects.
