Management

András Márk Dianovszki
Managing Director
With comprehensive knowledge in project managementin project management, and oilfield technology development, András combines hands-on engineering knowledge with leadership. He holds degrees in Mechanical Engineering and in Oil and Gas Engineering, as well as an MBA from the Budapest University of Technology and Economics.
András joined MOL Group in 2016 and throughout his professional journey, he has held several leadership roles across maintenance, operations, oilfield services, and quality assurance in Petrolszolg Ltd., Geoinform and Rotary Co.Ltd..
His most recent position was Maintenance & Operation Support Manager in Geoinform Ltd. and Rotary Co.Ltd., where he oversaw critical upstream services and supported major overhaul projects.

Róbert Hermán
Chief Engineer
Róbert graduated as MSC petroleum engineer at the University of Miskolc in 1999. He joined Rotary Drilling Co Ltd. in the same year. After completing the field trainee period, he become to be a service engineer managing drilling and workover rigs and he prepared well-related operation plans as well. He acquired knowledge about project-type works, such as complete rig refurbishments and implementation of technical developments in this period. In 2008, he participated in the modernization of the rig fleet and the implementation of new technologies as rig manager and he led the R-67 drilling rig in various drilling operations for MOL and EXXON Mobil. From 2011 his new challenge was to build up the drilling operations capability of Rotary in Kurdistan region of Iraq. From 2012 he was nominated as CEE and Mena region manager of drilling activities. From 2018 he continued his managerial role as Director of drilling and workover when Rotary has been identified as a valuable partner in Ukraine and Croatia as well. Under his HSE-focused performance-oriented management, the Rotary rig-related services have achieved outstanding operational efficiencies that are also recognized by customers.

György Fazekas
Business Development Manager
György has started his career in the petroleum industry at Rotary Drilling Co. Ltd. in 1994. He spent several years in Tunisia and Syria as a Rig manager, then returned home to pursue his career as head of sales, sales and commercial director. His main responsibilities with his team included the leading and coordinating domestic and international contracting, and overseeing marketing activities.
He worked for a year and a half as Technical Director outside MOL Group, and from October 2020 he rejoined and strengthen the Rotary team in business development. Currently, his main responsibilities include the development of domestic and foreign third party activities, as well as the preparation and organization of commercial developments related to the core business.
György graduated in University of Miskolc as a petroleum engineer, and later obtained a public procurement manager qualification in Budapest University of Technology and Economics.

Sándor Kis
Chief Finance Officer
Sándor studied at the Szent István University of Gödöllő, Hungary, where he graduated in Finance, Accounting and Business Administration, and then obtained a degree in Economics and Management. He worked for several years in various companies in the field of finance and administration. He was the financial manager of a flat glass factory for almost 6 years, and later he bacame the general manager there for nearly 5 years.
After that he held the position of financial manager at a construction company. He joined GEOINFORM Ltd. in 2024.