Andrejs Kvartalovs has studied shipbuilding and marine navigation. Andrejs Kvartalovs holds a Master Mariner Licence. His seagoing career started in 1986 on board product tankers in positions of Deck Officer and Master. From 2001 works as Marine, Safety, Quality Superintendent and Manager, DPA/CSO in tanker management companies. Andrejs Kvartalovs joined DS Tankers in April 2016.