National Interstate Insurance Company (National Interstate) has promoted Shawn Los as executive vice president. Los will assume responsibility for National Interstate’s truck, passenger transportation and National accounts divisions, while continuing to lead the specialty division. He joined National Interstate in 2001 as an underwriter trainee and has held various positions of increasing responsibility during his tenure with National Interstate. Through his role with the alternative products division, Los was instrumental in the formation and management of National Interstate’s alternative risk transfer captive programmes and also led the underwriting efforts when National Interstate acquired Vanliner Insurance Company in 2010. Since 2013, he has directed the growth of the specialty division and currently oversees the National Interstate’s underwriting and compliance functions. Commenting on Los’ promotion, Tony Mercurio, president and CEO of National Interstate and executive vice president of Great American Insurance Group, says: “Shawn Los has been a major contributor to our success over the years and I am thrilled to announce his significant increase in responsibilities.”