Kiril Tenekedjiev  Kiril Ivanov Tenekedjiev (Bulgarian: Кирил Иванов Тенекеджиев; born 18 December 1960 in Varna, Bulgaria) is a Bulgarian professor in quantitative decision analysis and subjective statistics. His strongest research achievements are in the statistical pattern recognition (working in applications in medical sciences and technical diagnostics), as well as his work on fuzzy-rational decision analysis and ribbon-risk analysis. Kiril Tenekedjiev was born to Ivan Kirilov Tenekedjiev (a mechanical engineer), and Tatiana Museevna Tenekedjieva (a French language high school teacher). He has a younger sister, Dessy Tenekedjieva, who has a career in acting, singing and movie producing. Kiril's upbringing was entrusted to his grandparents on his father's side, whom Kiril loved tremendously and lives with the dear memory of them till present day. His grandfather, Kiril Georgiev Tenekedjiev, was a very respected medical doctor in Varna, Bulgaria and Kiril was named after him. Kiril's grandmother, Dimitrichka Tenekedjieva (originally, Dimitra, but loved being called "Dimitrichka"), was an exceptional erudite and worked as a high-school teacher while raising her two sons. She was a graduate of a French lyceum. She was extremely methodical in shaping Kiril as a hard working, ambitious, organized and determined individual. Kiril was passionate for sports since early age, with particular interests in water polo. He played for Cherno More water polo team (most of the time with the junior team) in Varna, and was also selected and played with the Junior National water polo team of Bulgaria in his late highschool years. Starting his two-year military service in 1979, prior to university, he retired from active sports. His coach in water polo played a huge role in shaping Kiril's personality and understanding of life. While studying at the First Language High School (English profile) in Varna, he also participated in school theater performances, and showed very good artistic skills. At the end of his teen years, he switched his focus from sports to mathematics, having a natural talent and inclination to mathematics since primary school. While not active in sports nowadays, Kiril is a fan of football and basketball.