About Us

Parresia Research Limited is a privately owned company based in Auckland, New Zealand. We provide computational mechanics research and technical services to businesses, universities, and research organizations worldwide. Our tools include both in-house and open-source software and state-of-the-art models and computational solution strategies.


Our mission is to be the preferred provider of engineering simulation tools and services worldwide.


Dr. Biswajit Banerjee, the director and founder of the company, brings more than 25 years of experience in simulation, mathematical modeling, and analysis to the company. His expertise is on parallel computing for engineering simulations and scaling-up of sensor data analytics. Biswajit holds a PhD in mechanical engineering from the University of Utah. He has worked on a wide variety of topics including visual effects in New Zealand (Callaghan Innovation), supercomputing and simulations in the US (University of Utah), and enterprise resource planning software design in India (CMC Limited).

Team and expertise

Our team has expertise in the following areas:

  • Large-scale engineering simulation code development
  • Constitutive model development for composites, soils, rocks, and concrete
  • Programming in C++, Java, Javascript, Python, R, Matlab, Mathematica