Our Team

Brisbane, Australia
Glenn Splatt
Extensive (31 years) mining and geological operational experience gained in coal and metals mines in Australia, Africa, USA and Indonesia. Use of software tools such as Medsystem, Vulcan, Deswik, Minescape, Xpac, Spry and Talpac to provide design and mine planning solutions.
Brisbane, Australia
Mark Bowater
Mark has over 30 years of mining engineering experience in the Australian open cut mining industry in coal and iron ore. He is passionate about mine planning and would like to create a legacy of leaving mine planning in a better place than he found it when he started on his mine planning journey.


Brisbane, Australia
Caitlin Mathieson
Caitlin has over 12 years of experience in the Australian and Canadian open cut coal and oil sand. She worked in a range of design and planning roles in Australian coal before relocating to Canada. There she worked in long term planning roles before moving into projects as Development Lead on a revolutionary project to develop a new method for capping tailings dams. Caitlin is currently leading a client decarbonisation project.

Jakarta, Indonesia
Theco Efendi, S.T., IPP
Theco has over 15 years of experience in open cut mining. He has experience in coal, iron, oil and gas commodities. As a mining engineer, he is passionate about mine planning, ensuring the safe and efficient development of mines and minimising impacts on the surrounding environment with his technical knowledge and management skills. Theco has current S11 qualification and Coal Board Medical (QLD).
Jakarta, Indonesia
Harry Hidayat, S.T., IPM
Harry has over 16 years of experience in the Indonesian open cut coal mining industry. After completing a mining engineering degree, Harry moved from drill and blast design into geotechnical roles for a number of years. However, in 2016 he moved back into mine planning. He has mastered all aspects of Deswik Open Cut design for short and long term planning purposes. He is also a competent Spry scheduler capable of destination and haulage planning. Harry is highly skilled in the areas of project management, risk assessment and safety compliance. Harry has current S11 qualification and Coal Board Medical (QLD).


Brisbane, Australia
Jeremy Callaghan
Jeremy Callaghan has over eleven years of experience in the Australian Coal and Gold surface mining. As Senior Mining Engineer, he has strong background in small contracting teams across open pit coal and hard rock gold operations. Proven ability as an engineer in drill and blast, mine planning, production and reporting. Skilled in technical supervision, implementing systems for site ramp-ups, mentoring and collaboration with supervisors to meet production targets and deadlines.

Brisbane, Australia
Misbayanti Bandia
Misbayanti gained her Bachelor of Engineering (Geological) degree from the University of Hasanudin, Indonesia, in 2000. She has 12 years experience in the mining industry, ranging from mine planning, mine geology and operational roles on-site and in support office environments.
Jakarta, Indonesia
Elisha Tobing, S.Si
Elisha gained her Bachelor of Science (S.Si) from Geology Study Program, Geosciences Department, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, in 2021. She has over 3 years of experience in coal mining and nickel exploration. Recently served as a Pit Geologist, managing coal inventory, validating mining plans and monitoring production quality.


Jakarta, Indonesia
Novian Triandanu, S.T
Novian Triandanu gained his Bachelor of Engineering (Mining) degree from the Padjadjaran University, Indonesia, in 2016. He has 6 years experience in the mining industry as a POP-certified mine plan engineer. Novian has strong analytical skills accompanied by proven technical software skills in mine design and scheduling. with long-term & short-term mine planning experience