The people behind

4Mvideo is founded on collaboration with the municipality of Gladsaxe’s unit for welfare technology. Our base is at the Technical University of Denmark, just north of Copenhagen. 

Dr. Peter Michael Nielsen

Peter Michael Nielsen is neurology specialist and senior consultant at the Stroke Unit in Geriatric Department at Holbæk Hospital.

Peter Michael has been working with rehabilitation of elderly’s for more than 10 years. He is an inventor and developer of several patents through more than 25 years of research and development.

Lars Rosenberg Randleff

Lars is CTO and developer in the company. Lars has previously worked with software and systems development for telemedicine sector, as well as various industry application areas including sound and vibration measurement, electronic warfare, resource management in aviation and intelligent transport systems. Lars is a computer scientist from the University of Copenhagen and holds a PhD degree in Operations Research from the Danish Technical University.

Erik Johannsen

Erik Johannsen is CEO and entrepreneur in the company. Erik has a professional background from the international IT industry and extensive experience in product and business development, innovation, project management and sales and marketing. Erik has an Engineer degree and an E*MBA in Innovation and Technology Management from DTU Business (Technical University of Denmark).


Science Park Scion DTU, Diplomvej 381,

DK-2800 Kgs. Lyngby