CardioMag Imaging (CMI), a designer and manufacturer of cardiac diagnostic devices, has appointed Tush Nikollaj to the position of president and chief operating officer.

Nikollaj assumed this position on Nov. 1, following more than a decade with Logical Net as its CEO and founder, where he was responsible for all mergers and acquisitions, as well as managing the organization's overall corporate strategy, according to the Schenectady, N.Y.-based CardioMag.

The company said Nikollaj will retain his position as chairman of Logical Net's board of directors.