Geiselhart has studied physics at the Munich Technical University and holds a doctorate degree. His professional career includes management positions at Motorola and infotainment system manufacturer Bosch-Blaupunkt. He also was Chief Technology Officer and General Manager for Harman-Becker Automotive systems; at NXP he oversaw the segment Car Entertainment Solutions. Currently he works as an independent consultant - one of his clients is Elmos.
The current holder of the top position for R&D and sales is Juergen Hoellisch who intends to leave the company by end of February, 2012. According to an Elmos press release, Hoellisch takes his leave in mutual consent.