An accomplished copywriter and translator, Petra also writes speeches and op-ed pieces for clients such as The Absolut Company and Moderna Museet.

She has also written several cover features for ELLE and other national Swedish magazines. Interview subjects include legends such as Dolly Parton and Arnold Schwartzenegger, Academy Award winners Naomi Watts and  Eddie Redmayne, actors such as Alexander Skarsgård, Rebecca Ferguson, Hayden Panettiere and Julianna Margulies and influencer Paris Hilton.