Tudor SAJIN Born on June 10, 1951, in Mih¿ileni, Râ¿cani, Republic of Moldova. A graduate of the Mih¿ileni Secondary School (1968), he holds a diploma in Mechanical Engineering from the Technical University of Moldova, Chi¿in¿u (1973), and a diploma in Inventics from the Public Institute of Patent Science, Chi¿in¿u (1977). He earned his Doctorate in Engineering Sciences (1989) at the Moscow Power Engineering Institute (21.10.1988). He was awarded the title of Senior Research Scientist in Thermophysics and Molecular Physics by the Supreme Attestation Commission of the Republic of Moldova (1997). His career includes roles as Junior Researcher (1975-1978), Senior Lecturer (1990-1991), and Associate Professor (1997-1998) at the Department of Heat Engineering, Technical University of Moldova. He served as a Patent Engineer at the "Nicolae Testimi¿eanu" State University of Medicine and Pharmacy, Chi¿in¿u (1979-1981, 1990-1991). Between 1978 and 1999, he held various positions at the Institute of Applied Physics of the Academy of Sciences of Moldova, progressing from Research Engineer to Coordinating Research Scientist. He was an Associate Professor at the State Agrarian University of Moldova (1997-1998), and later Associate Professor (1998-2003), Professor (2003-2016), and PhD Supervisor in Mechanical Engineering (2005-2016) at the "Vasile Alecsandri" University of Bac¿u, Romania. Honored as "Eminent in Inventics" (1986), he has been awarded numerous diplomas and medals at National and International Invention Salons (1998-2021). He is a Laureate of the National Prize of the Republic of Moldova in Science and Technology (2004). He has published over 448 scientific and educational works: 33 books, 330 scientific papers, and 85 patents.