AeroLeads people directory · profile

Johan Berntsson Email & Phone Number

Senior Systems Engineer at GSE Systems at GSE Systems
Location: Saitama, Japan, Japan 7 work roles 4 schools
LinkedIn matched
✓ Verified May 2026 3 data sources Profile completeness 100%

Contact Signals

LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Senior Systems Engineer at GSE Systems
Location
Saitama, Japan, Japan
Company size

Who is Johan Berntsson? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Johan Berntsson is listed as Senior Systems Engineer at GSE Systems at GSE Systems, a company with 315 employees, based in Saitama, Japan, Japan. AeroLeads shows a matched LinkedIn profile for Johan Berntsson.

Johan Berntsson previously worked as Senior Systems Engineer at Gse Systems and Business owner & IT consultant at Brainplus Llc. Johan Berntsson holds Phd, Computer Science from Queensland University Of Technology.

Company email context

Email format at GSE Systems

This section adds company-level context without repeating Johan Berntsson's masked contact details.

GSE Systems

Review company-level records connected to Johan Berntsson before choosing the right outreach path.

Profile bio

About Johan Berntsson

I've been programming since 1983, and I'm interested in software design and development, distributed computing, and machine learning. I'm looking to explore new programming languages and technologies, and applying advanced technology concepts in novel application areas. Some of my work is publicly available on my github page: https://github.com/johanberntssonMy educational background is a PhD degree in Computer Science at Queensland University of Technology, Brisbane, Australia 2002 - 2006, and a M.Sc degree in Computer Science and Technology at Linkoping University, Sweden 1989 - 1994. My main research interests have been optimization problems using evolutionary computation and other soft computing techniques.I have developed nuclear power simulation software and hardware in Sweden, Germany, Russia, and Japan for GSE Power Systems AB 1994-2002, and again from 2010. In 1995 - 2002 I was the resident representative of GSE Power Systems AB in Tokyo, Japan. I have also contributed to open source, as a core developer on the OpenSim project, where I worked on scaling of virtual worlds, and on ScienceSim, where I created scientific data visualizations in virtual environments.Specialties: software engineering, distributed computing, research, project management, end customer support

Listed skills include Software Engineering, Distributed Systems, Software Development, Programming, and 34 others.

Current workplace

Johan Berntsson's current company

Company context helps verify the profile and gives searchers a useful next step.

GSE Systems
Gse Systems
Senior Systems Engineer at GSE Systems
sykesville, maryland, united states
Website
Employees
315
AeroLeads page
7 roles · 24 years

Johan Berntsson work experience

A career timeline built from the work history available for this profile.

Senior Systems Engineer

Current

Tokyo, Japan

I am currently working in several full-scope simulator project for nuclear power plants at GSE Systems. GSE Systems is an American/Swedish developer of simulators for power and process industry, with large-scale projects all over the world. My main work has been with nuclear simulators, which are process intensive applications, each installation consisting.

Apr 2010 - Present

Business Owner & It Consultant

Brainplus Llc

Tokyo, Japan

In this period I did IT consulting work, mainly for clients in the nuclear industry in Japan. The work includes research, software development and user training courses. I was also involved in customer negotiations and system specification work for two full-scale nuclear simulator projects in Japan.

May 2006 - Apr 2011

Senior Systems Engineer, Technical Lead

3Di Inc

Tokyo, Japan

I was as a technical lead and senior systems engineer at 3Di, a part of the NGI group in Tokyo, Japan. 3Di creates virtual worlds similar to Second Life, using the open source project OpenSim (http://opensimulator.org). I was a core developer on OpenSim, as well as the technical lead for the development group at 3Di, designing and directing the work on.

Nov 2007 - Jun 2010

Phd Student

Brisbane, Australia

My PhD project enables non-experts to create distributed genetic algorithms (DGA) that work efficiently in a dynamic grid-computing environment. The DGA is implemented in a cycle-stealing peer-to-peer architecture, and uses on-line performance monitoring and adaptation to automatically adjust its parameters in order to ensure efficiency and robustness..

2002 - 2006 ~4 yrs

Visiting Researcher

Ibm

Almaden, San Jose, USA

I did an academic exchange program at IBM Research Center in Almaden, Silicon Valley, designing and implementing a massive grid-based solution for generating synthetic electronic health records, as part of a wider IBM initiative in research on IT-solutions for the health care industry. The system successfully simulated 50 million agents on a 70 computer.

Feb 2005 - May 2005

Senior Systems Engineer

Gse Power Systems

Tokyo, Japan

I was the resident representative of GSE in Japan 1995-2002. I was mainly working with cluster design and development to create simulator software that work efficiently in a cluster computing environment, but I was also involved in R&D, programming, I/O system design, and customer support.Main activities:· 2001: Supervised a European Union funded simulator.

Apr 1994 - Nov 2002

Intern

Linkoping, Sweden

While writing my M.Sc dissertation I worked on optimization problems in curing of composite plastics, used in the hull of jet fighters. I created an expert system using case-based reasoning to solve the problem.

Apr 1993 - Sep 1993
Team & coworkers

Colleagues at GSE Systems

Other employees you can reach at gses.com. View company contacts for 315 employees →

4 education records

Johan Berntsson education

Phd, Computer Science

Dissertation titled “An Adaptive Framework for Internet-based Distributed Genetic Algorithms”, 2006. Available at.

Master Of Science (M.Sc.), Computer Science And Technology

Major in Computer Science

High School Diploma, Natural Sciences

Västerviks Gymnasium
FAQ

Frequently asked questions about Johan Berntsson

Quick answers generated from the profile data available on this page.

What company does Johan Berntsson work for?

Johan Berntsson works for GSE Systems.

What is Johan Berntsson's role at GSE Systems?

Johan Berntsson is listed as Senior Systems Engineer at GSE Systems at GSE Systems.

Where is Johan Berntsson based?

Johan Berntsson is based in Saitama, Japan, Japan while working with GSE Systems.

What companies has Johan Berntsson worked for?

Johan Berntsson has worked for Gse Systems, Brainplus Llc, 3Di Inc, Queensland University Of Technology, and Ibm.

Who are Johan Berntsson's colleagues at GSE Systems?

Johan Berntsson's colleagues at GSE Systems include Kirk Kirkpatrick, Brenda Henry, Paras Nath Shukla, Shawn Comstock, and Paul Alley.

How can I contact Johan Berntsson?

You can use AeroLeads to view verified contact signals for Johan Berntsson at GSE Systems, including work email, phone, and LinkedIn data when available.

What schools did Johan Berntsson attend?

Johan Berntsson holds Phd, Computer Science from Queensland University Of Technology.

What skills is Johan Berntsson known for?

Johan Berntsson is listed with skills including Software Engineering, Distributed Systems, Software Development, Programming, Algorithms, Simulations, C++, and Java.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.

People with similar names

Check these profiles if this is not the Johan Berntsson you were looking for.

View similar profiles