Sergey Martus has held various positions in different companies. He worked as Vice CEO, Business Development and Corporate Sales Director at Mastertel, Prime Business Group Holding, Chief of Performance Management, Business Process & Quality at "StarNet Management Group" LTD, Director for Development of Business Processes and Quality at "StarNet Management Group" LTD, Commercial Director at SICRES Telecom LTD, Project Manager VoIP at TELEMEDIA GROUP SA, VoIP Manager & Manager of MCC Distribution Network at MEGADAT.COM, Commercial Director (CCO) and Deputy Commercial Director, Chief of B2B & B2O at "StarNet" LTD. He also received an award "Master in information technology and communications" from the Ministry of Information Technology and Communications of the Republic of Moldova and a BABOK: Business Analysis Planning and Monitoring license from IIBA.