Greger Geldern

Design engineer

Mobile: (+46) 70-920 61 82

Design engineer with a Bachelor’s degree in electrical engineering from Dalarna University. He has been employed by the company since 1995 and is nowadays one of the owners. Previously worked at Standard Radio in Stockholm, among other things. Chief designer for our customer Cibes Lift AB and developed the unique Geldern Amplifier guitar amplifier.


Sven-Åke Eriksson


Mobile: (+46) 70-822 35 21

CEO, founder, chief designer and one of the owners. At heart, he is a trained engineer with a Master’s degree in engineering physics from Uppsala University, specialising in electronic hardware.


Hans Eriksson

Production manager

Mobile: (+46) 70-822 31 40

Hans is a technical college engineering graduate in electronics and one of the owners. He has been involved since the company’s inception in 1987 and currently works as a production manager and account manager for Cibes Lift AB.


Mikael van Deetjen



An economist at heart, who has more recently studied electronics. Previously had his own publishing business and worked in the printing industry. He has been employed by the company since 2001 with responsibility for EMC testing all products for CE labelling. He also performs quality assurance testing before and after installation – and services our products at customer sites.


Andreas Nilsson

Design engineer

Mobile: (+46) 73-511 01 43

Studying for an MSc in Computer Engineering at the Swedish Royal Institute of Technology (KTH). Originally from Stockholm and hand-picked for the company in 2010. Previously worked at a satellite communications company (C2Sat) as a software developer. Today he is a design engineer, primarily within software.


Johnny Bondin

Marketing manager

Mobile: (+46) 70-812 22 14

Worked as a design engineer and commissioning engineer at ABB in Ludvika and a few consulting firms in Borlänge before being employed by the company in 1994. He has a Bachelor’s degree in electrical engineering from Dalarna University. Works on design, production planning, and project management and is responsible for the company’s marketing.


Jussi Kuismin


Mobile: (+46) 70-796 57 33

Jussi was a manager at the Datorteket computer centre in Leksand Municipality before joining Research Electronics. He has also worked for the Swedish Musicians’ Union, Siljan Tourism and Rättvik’s crisp bread. He is a trained workshop mechanic at heart. Employed as a computer technician with responsibility for the company’s computer department since 2000 and works a lot with private individuals.


Thomas Norström

Production engineer

Mobile: (+46) 73-847 01 70

Educated on the electrical programme with a specialisation in computer engineering at Stiernhööksgymnasiet in Rättvik. Employed since 2008. Works as a production engineer – installs and builds amplifiers, microphones and printed circuit boards for various products.


Carina Eriksson

Finance, warehouse and administration


Carina has been involved since the company’s inception in 1987 and has a Master’s degree in engineering physics from Uppsala University. She is in charge of finance, warehouse and administration. Today she works mostly with production and programming, as well as pre-delivery testing of products.


Göran Ehrlund

Design engineer, inventor

Mobile: (+46) 73-031 45 28

Design engineer, inventor, genius in most things that have to do with sound. He has over 30 years’ experience working with audio and recording technology. He has worked with the company since 2007, with his own invention, the Ehrlund microphone, which has a patented audio solution.


Kerstin Eriksson


Telephone: (+46) 247-233 50

She has an extensive background in the banking world and has also worked at Nittsjö keramik and DalaService. Kerstin has been employed at the company since 2004 and is responsible for finance and bookkeeping.


Peter Kroll

Sales manager

Mobile: (+46) 72-585 76 65

Peter is an electrical engineer with four years of electrical & telecoms schooling behind him, supplemented by 120 credits’ worth of university studies. He has previously worked as a service engineer at Rank Xerox, and has held several different managerial posts within quality and production at Ericsson. He was also a senior project manager at C2SAT – a company that developed antennae for satellite communications. Today, Peter is the sales manager for Research Electronics, including its own brands of Geldern Amplifiers and Ehrlund Microphones.