 In 2004 he served as the artistic director of Redhill Sinfonia.In 2006 he was named artistic director of the Leicester Symphony Orchestra.Kotla has worked with a number of Polish orchestras and conducted in the United Kingdom, Sweden, Germany, Czech Republic, Russia, Austria and Brazil, working with orchestras such as St. Petersburg Philharmonic, London Symphony Orchestra, Polish National Radio Symphony Orchestra in Katowice, Polish National Philharmonic in Warsaw, Poznań Philharmonic, Łódź Philharmonic, Wrocław Philharmonic, Polish Radio Orchestra, London Mozart Players, City of Birmingham Symphony Orchestra and Municipal Symphonic Orchestra of São Paulo, Brazil.