Read previewLike most siblings, brother-sister duo Billie Eilish and Finneas O'Connell have had their fair share of tiffs. This story is available exclusively to Business Insider subscribers. AdvertisementThe siblings' partnership started in 2015 after O'Connell wrote "Ocean Eyes." How to mix family and businessMixing family and business can be tricky, but Eilish and O'Connell aren't the only ones who have made it work. AdvertisementMarlo Lyons, a career and executive coach, told Business Insider about some of the benefits of working with family.

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Persons: —, Billie Eilish, Finneas O'Connell, Eilish, O'Connell, they'd, I'd, Finneas, we've, O'Connell aren't, Patrick, John Collison, Huda Katten, Mona, Alya, Huda, Marlo Lyons, Lyons Organizations: Service, Business, Washington Post, Huda, Vogue Arabia Locations: Dubai