Rock mechanics design

Consulting sectors

We provide rock mechanics consulting services in the nuclear waste management, rock engineering and mining sectors.

Nuclear waste management

25 years of experience in research and in situ experiments

Rock engineering

Rock mechanical modelling partner in large tunneling projects


Significant experience in life-of-mine rock mechanics modelling and stability predictions


Experienced and innovative rock mechanics professionals.
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Matti Hakala

CEO, Rock mechanics consultant
+358 50 5849092
Matti has over 25 years of international experience in rock mechanics related to the deposition of spent nuclear fuel, civil engineering and mining. Of special interest are 3D numerical simulations and the design, execution and interpretation of in situ tests and stress measurements.
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Jani Juvani

MSc, Rock mechanics consultant
+358 40 7553183
Jani has a Masters degree in Rock engineering from Aalto University. He is specialized in rock mechanics simulations of infrastructure, mining and research projects. He also has a Blaster’s Certificate and is experienced in related vibration control.
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Topias Siren

DSc, Rock mechanics consultant
+358 50 3549582
Topias Siren is specialised in challenging design in the most demanding projects. He is a certified Finnish grade AA (FISE) designer of Rock structures. His doctoral thesis showed that the Finnish nuclear waste dipsosal site is suitable from a rock mechanics perspective.
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Jesse Ström

MSc, Rock mechanics consultant
+358 50 5606893
Jesse has an MSc in rock engineering from Helsinki University of Technology. He has over 10 years of experience from rock engineering and rock mechanics from very demanding projects. He is a grade AA (FISE) designer of Rock structures.
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Jouni Valli

MSc (Geology), Rock mechanics consultant
+358 50 3845796
Jouni has an MSc in Geology and over 6 years of experience from rock mechanics projects in Finland and abroad. He is specialised in 3D modelling and numerical rock mechanics simulations, involving both thermomechanical and dynamical simulations.

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