Konstantin is Founding Director of the London Psychometric Laboratory and Professor of Psychology and Psychometrics at University College London (UCL). He is the first-ever Professor of Psychometrics at UCL, the birthplace of psychometrics.

Konstantin is the developer of the major system of Psychobionomy as well as of trait emotional intelligence theory and of the family of Trait Emotional Intelligence Questionnaires (TEIQue), which are used in commercial and research settings globally. He lectures internationally on Psychobionomy, trait emotional intelligence, personality, psychometrics, and philosophy of mind.

For a full biography, see:
Petrides, K. V. (2019).  In Zeigler-Hill V. & Shackelford T. (Eds.) Encyclopedia of Personality and Individual Differences. Springer, Cham.