Aleksandras Ratmanovas is a system engineer, sound mixer, and lecturer with over 15 years of experience in live sound mixing, system design and calibration, studio recording, and audio post-production. He has worked freelance for companies in Estonia, Finland, Russia, and Lithuania, and has mixed shows for artists from France, the UK, Russia, Lithuania, and others. He is proficient in many professional audio systems and mixing consoles, and has received training from Meyer Sound, d&b audiotechnik, and L-Acoustics.