reporter: lanna idriss loves mathematics. she majored in law and islamic studies. all that helped her in her banking career. lanna: i aim for solutions and results. in the last 15 years of my career i've seen banking go from a highly respected professional field to the boogeyman of the nation, if not the world. reporter: since 2009 she's been head of compliance process management and outsourcing at the bhf bank in frankfurt, overseeing 120 employees. lanna: i'm very much a team player. i like being the boss, but it doesn't give me a feeling of power. i think that's something i have didifficultyty developing g any, even though i see it happening all around me. i always try to use persuasion. if one plus one is two, then somehow that's clear and we can't do it any other way. reporter: lanna idriss was a business consultant when she was offered the management job at the bank. she says to this day that it was the right step, because it gives her time to help aid projects get going. lanna: it's a conservative bank, a very traditional bank, but it's also a family-oriented