Marcos Kwiek has been coach of the Dominican Republic women's National Team since 2008. He has led the team to gold at the 2010 Pan American Cup and to silvers in 2009, 2011 and 2013. He also steered the Dominican Republic to victory at the NORCECA Continental Championship in 2009. The same year, the Dominican Republic took bronze at the World Grand Champions Cup, the team's highest ever finish in an FIVB competition. Kwiek also served as assistant coach of the Brazilian women's National Team from 2003 to 2007. Under his guidance, the Dominican Republic have competed in every World Grand Prix. He was coach of the National Team during their highest ever finish at the FIVB World Championship, a fifth place in 2014 in Milan.