Dr. Jussi Rahola, founder and CEO of Optenni Ltd.


  • Computational electromagnetics
    • Fast multipole techniques
  • Antenna design
  • Numerical mathematics
    • Iterative methods and preconditioning
    • Optimization
  • High-performance computing
  • Scientific visualization
  • Programming in C++, C, Fortran 90 and Matlab
  • Project management

Publications and presentations

  • Over 30 publications in scientific journals and international conference proceedings
  • Invited presentations in international and national conferences
  • Co-writer and editor of several books on numerical methods in Finnish
  • Three granted patents and several pending patent applications

Selected publications

Other research activities

  • National delegate in the European COST 284 action on antennas (2002-2006)
  • Member of the Scientific Council of the ACE (2004-2007) and Metamorphose (2005) networks of excellence
  • Senior member of the IEEE
  • Referee activities in several scientific journals
  • Pre-examiner and opponent of several doctoral theses

Work history


  • M.Sc. (Tech.), Lic.Sc. (Tech.) and D.Sc. (Tech.) degrees from Aalto University, School of Science and Technology (formerly Helsinki University of Technology), majoring in numerical mathematics
  • Doctoral thesis: "Efficient solution of dense systems of linear equations in electromagnetic scattering calculations" in 1996
  • Docent of Aalto University and University of Jyväskylä

Optenni Ltd — Contact Information

For further inquiries about our products, services and collaboration possibilities, please do not hesitate to contact us.


Optenni OfficeAddress
Optenni Ltd
Tekniikantie 14
FI-02150 ESPOO

Business ID

Finnish VAT ID


CEO Jussi Rahola
phone: +358 45 265 8245

Optenni Sales

E-mail for sales enquiries

Sales Director Jaakko Juntunen
phone: +358 45 600 1201


Optenni Lab Local Distributors

In China we are represented by Oplan Technologies

In India we are represented by Avgarde Systems

In Japan we are represented by AET Inc.

In Northern California we are represented by Jay Stone Associates


Altair Partner Alliance

In addition to Optenni direct sales, Optenni Lab is available through the Altair Partner Alliance, in which Altair customers can use partner software with their existing HyperWorks Units and the Altair licensing system. The Optenni Lab version compatible with the Altair licensing system can be downloaded here.

Contact information for the Altair sales channels Altair HyperWorks CMYK horizontal