Question: Hartmut Mehdorn, is a German manager and mechanical engineer, he served as CEO of Germany's second largest airline, and Europe's seventh-largest airline in terms of passengers carried, until he stepped down in January 2013?
Sentence (from "Air Berlin"): Luftverkehrs KG (), branded as airberlin or airberlin.com, is Germany's second-largest airline, after Lufthansa, and Europe's seventh-largest airline in terms of passengers carried.
Relevant evidence: No