Key personnel

Lars J. Viste

Chairman of the Board
Lars was elected Chairman of the Board in May 2017. He works as an investor, advisor and board member. Viste has long experience from oil-related activities and has held several CFO positions, among other things from companies such as Scan Tech, Aker Drilling and Ocean Rig. In the years 2000 to 2006 Lars was a manager at EY.
Lars has extensive knowledge of and experience from start-up companies through board work and as manager.
He is a graduate degree in economics and has a higher degree in accounting from the Norwegian School of Economics and Business Administration (NHH).

Jon D. Gjerstad


Jon has 15 years’ experience from offshore and onshore industry. Background as mechanical/automatic engineer, Bachelor in Mechanics and Master Degree in Offshore Technology.

Jon started with 10 years as Service engineer, Commissioning supervisor, and Project engineer for topside and subsea developments and main systems for international based company in Asia, Africa, Brazil and North Sea. Jon has solid knowledge from offshore installations, shipyards and international business. He has trained and educated specialist and client personnel for offshore systems and equipment.

Partner and inventor of Nitrogas Nitrogen generation and Nitrogen booster system for Atex zone 1.

Jon has experience from mechanic/automatic engineering, with a wide range of special developed systems and infrastructures on land based and offshore installations. Leading various commissioning’s and development projects, business developments, financing and customer handover worldwide.

He can be reached at: jg (at)


Knut Hansen

Co-Founder, Technical Advisor

Knut is the company’s Co-Founder, Chief Technology Officer and has also in co-developed and patented the core technology of the company. Knut has more than 40 years of experience from the nuclear power, oil and energy industry. He has worked for Fortune 500 companies, US Navy and several international offshore and subsea technology  companies. Knut has spent well over 30 years in Senior Management and Board of Director positions.



Asbjørn Vagle


Prior to joining Ennox Technology in January 2016, Asbjørn has worked as management consultant and angel investor for early stage companies since 2013.

Before that, he was senior vice president at SKAGEN Funds, a leading Norwegian fund management company, for 12 years. With SKAGEN, Asbjørn held full accountability for Country (Norway) sales operations’ profit and loss (P&L), overall leadership, strategic planning and business development.

From 1996 to 2001 Asbjørn worked in the financial sector in Frankfurt, Germany. The last three years he was client relationship manager at SEB covering Scandinavian companies in Germany. Before that he was a team-manager at PwC Frankfurt offering auditing services, financial accounting and reporting. Asbjørn has also spent three years with the Royal Norwegian Navy serving as an officer on board different vessels.

Asbjørn has an Executive MBA (2012) from IMD, Lausanne, Switzerland and a Diplom-Kaufmann (MBA) degree from the University of Mannheim, Germany. In addition to that he has extended leadership studies from IMD and Norwegian School of Economics (NHH).

He can be reached at: av (at)

Jerzy Marszalek

Technical Advisor
Jerzy is of Polish origin and has more than 35 years of experience from oil and offshore industry. Has a degree in material technology and metallurgy. He is an entrepreneur and has been a project manager of several onshore and offshore projects. He has worked with suppliers is a supplier of equipment for cleaning of sludge and slop.

An important role for Jerzy will be to oversee manufacturing and launch of Ennox units.

Utviklet av: