Dr. Jaakko Juntunen CV

Below is a short CV of Dr. Jaakko Juntunen, Sales Director of Optenni Ltd.


  • RF & Microwave Engineering
  • Computational electromagnetics
    • FDTD Method
    • Finite Element Method
    • Method of Moments
  • Electronic Design Automation
    • AWR Microwave Office
    • AWR Analyst
    • APLAC
    • Optenni Lab

Publications and presentations

  • About 20 publications in scientific journals and international conference proceedings

Selected publications

  • Jaakko Juntunen, Outi Kivekäs, Jani Ollikainen, Pertti Vainikainen: FDTD simulation of a wide-band half volume DRA. Proceedings of the Fifth International Symposium on Antennas, Propagation and EM Theory (ISAPE 2000), Beijing, 2000, pp. 223-226.
  • Jaakko Juntunen: Note on the S11-parameter and input impedance extraction in antenna simulations using FDTD. Microwave and Optical Technology Letters, Vol. 28, No. 1, 2001, pp. 8-11.
  • Jaakko Juntunen, Nikolaos V. Kantartzis, Theodoros D. Tsiboukis: Zero reflection coefficient in discretized split-field PML. IEEE Microwave and Wireless Components Letters, Vol. 11, No. 4, 2001, pp. 155-157.
  • Jaakko Juntunen: Coaxial Connector to Microstrip Transition Optimization. Microwave Engineering Europe, Feb 18, 2014.
  • Victor Sharir,  Benny Haddad and Jaakko Juntunen. Improving the Second Harmonic Rejection of Side-Coupled Filters. Microwave Journal, February 2015, pages 102-108.

Other research activities

  • EU Marie Curie Fellow in Training and Mobility of Researchers program 1998-1999 at the Aristotle University of Thessaloniki, Greece
  • Referee activities in IEEE Microwave Theory and Techniques journal
  • Pre-examiner of several doctoral theses

Work history

  • 1992-1995: Helsinki University of Technology (HUT, nowadays Aalto University), Institute of Mathematics, assistant in mathematics courses
  • 1996-2000: HUT, Radio Laboratory, postgraduate student at Graduate School of Electronics, Telecommunication and Automation
  • 2001-2005: APLAC Solutions Corp.: Customer Service Manager
  • 2005-2009: AWR Corp.: Sales Manager of Central Europe
  • 2010-2015: AWR Corp.: Senior EM Specialist
  • 2014- : Optenni Ltd.: Sales Director


  • M.Sc. (Tech.) from HUT in 1995, majoring in numerical mathematics; Lic.Sc. (Tech.) and D.Sc. (Tech.) degrees from HUT in 1998 and 2001, respectively, majoring in radio engineering.
  • Doctoral thesis: "Selected Developments in Computational Electromagnetics for Radio Engineering" in 2001.

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 Olli Pekonen

This email address is being protected from spambots. You need JavaScript enabled to view it.


Optenni Lab Local Distributors

In China we are represented by Oplan Technologies and Pousen

In India we are represented by Avgarde Systems