Higher technical education (Moscow aviation institute, Department of aircraft engines, 1979), specializing in 'Aircraft engines', specialist in the field of design, operating processes and engine malfunctions, including turbojet, piston internal combustion and pulse jet engines, PhD in Engineering Sciences in the specialty 'Thermal engines' (1985, dissertation topic 'Thermodynamic and thermal processes of pulse jet engines for small-sized unmanned aerial vehicles'), senior researcher (1990).

From 1979 to 2013, he worked in Moscow aviation institute engine laboratory on the topic of engines for small-sized UAVs, since 1991 also worked in a number of companies engaged in automobile engine repair and supply of equipment for it. Since 2017, a highly qualified forensic expert in expert specialties 12.4 ‘Aircraft estimation’ and 10.2 ‘Investigation of vehicle technical condition’, head of the International Motor Bureau (Ukraine). In 2022, completed his doctoral studies at the Kharkiv National Automobile and Highway University, the topic of doctoral dissertation is ‘Methods of expert assessment of damage to vehicle internal combustion engines’.

Participant of International engine-builders congresses (Koblevo, Mykolaiv region, Ukraine) since 2015, author of popular technical books ‘Repair of foreign car engines’ (1998), ‘Technical condition expertise and fault causes of automotive technology’ (2019), scientific monograph ‘Methods of modeling damage in vehicle internal combustion engines’ (2024) and more than 200 articles on motor topics, including 55 scientific papers and 5 patents on the design of aircraft turbojet and automobile piston engines.

The main works of Alexander Khrulev can be found in the scientific databases ResearchGate and Google Scholar, as well as on the website of the International Motor Bureau.

Higher education (Kharkiv Military University, Faculty of Computerized Systems, Automation and Control, Master's degree, with honors, 1998, advanced training courses at the Khmelnytsky National University in programming, 2002). Specialist in the field of information technology, software development and information security.

Since 1998, he was the owner and worked in a number of companies related to Internet provisioning and software development. He held the positions of developer, tech lead, software architect. He has scientific papers and articles in popular magazines on database security topics.