
Gábor Darab
Chief Executive Officer
Gábor holds Master’s Degree in Mechanical Engineering from the University of Miskolc and MBA from the Maastricht School of Management. From May 19, 2025 Gábor simultaneously fulfils the position of Chief Executive Officer of Rotary Drilling Co. Ltd. and the Company Director of Crosco d.o.o. He is a seasoned professional with extensive international experience in the oil and gas industry. He joined Nabors Drilling International Limited in 2011, and steadily moved up the ranks. Over the years, he has worked in various regions including Kazakhstan, Kuwait, Papua New Guinea and the United States of America. Most recently, he served as Operations Manager in Kazakhstan for Nabors Drilling International Limited, where he successfully led diverse teams in large-scale drilling operations and fostering strong relationship with major clients. His previous experience also includes PNG LNG project in Papua New Guinea, collaborating with ExxonMobil. Gábor is commited to develop and implement comprehensive safety programs and protocols and promote the culture of HSE awareness. He is strongly dedicated to continuous improvement, always seeking opportunities to enhance operational efficiency, productivity and safety performance. With deep expertise in operational management, safety, and cost-efficiency as, as well proven leadership in complex multinational environments Gábor is exceptionally well-prepared to contribute to the success of both Rotary Drilling Co. Ltd. and Crosco d.o.o.

Róbert Hermán
Chief Operating Officer
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.

Dr. Kis Sándor
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 Rotary Drilling Co. Ltd. in 2024.