Global Management Team




Margaretha Ester Nainggolan

Sales Operations and Logistics Manager

Ms. Etha brings more than 10 years working experience related with logistics, project control, legal drafting, quality service, and external customer alignment to GSM Systems. Previously she had been worked with Multinational Logistics company which had given her great amount of exposure on handling domestic and international delivery processes, external supplier alignment, customer complaint handling and also project controlling. She holds a Bachelor Degree from Parahyangan Catholic University majoring International Relations and currently holds ISO Lead Auditor Certification and also holds Basic Cargo Certification from Garuda Indonesia.



Lidya Damayanti

Group HR Manager

Lidya has 12 years’ of experience as an HR & GA Manager with a BA degree in Law. Her previous experience includes managing the HR for a Tower Company in Indonesia and prior to that in a Multi-National Business with interests in the APAC Region and Europe. She is responsible to plan, direct, and coordinate the administrative functions of an organization. Creating both fun and productive working environment, oversee the recruiting, interviewing, and hiring of new staff; consult with top executives on strategic planning; and serve as a link between an organization’s management and its employees.



Thomas Iwo

Software and Repair Solutions Manager

Thomas Iwo is a team oriented leader with vast experience and qualifications in both IT and Telecom industries that represent a background of increasingly important assignments within several multi-national organizations. With nearly 20 years of experience in IT, Telecom and the Oil & Gas industries, Thomas has demonstrated exceptional ability to meet organizational objectives and demands. He is a skilled software solutions architect, project manager and leader, and has also served as an Executive Officer for a small business. Thomas is responsible for all of the company's software and repair solutions as well the company's IT system infrastructure design. He is a graduate of the University of Houston and also holds numerous professional certificates.



Tarun Takkar

Global Technical Manager

Tarun Takkar is Group Technology Manager with a strong electronics engineering spanning more than 17 years, his rich experience includes full network services through R&D of telecom hardware and software.Tarun performed senior roles with industry leaders including; CTDI, Ceragon Networks and Radiodesign from engineer management, global RMA manager and hardware/software development.Having established best-in-class repair centers, Tarun’s achievements include streamlining implementing and operational and quality processes taking full strategic and P&L responsibility.Tarun holds a Diploma from the BSF Institute of technology (Bangalore) and Masters in Electronics from National Institute of Management Solutions.



Emmanuel Thonda

Africa Region Operations

Emmanuel Thonda is a team player and an enterprising person. He strives to develop new and innovative ways of achieving goals and targets. He has over Twelve year experience in the telecoms and manufacturing industries. He occupies a challenging and exciting management role in a telecoms organization, managing data & information and presenting such in actionable reports. Emmanuel is the new Africa Region Project Manager in GSM Systems. He holds a Bachelor of Science degree from the University of Ilorin and a Master of Science degree from University of Ibadan, both in Nigeria.