Riis' new role began last Friday and she is based in the group’s head office in Ballerup, Denmark.
She joins LEO Pharma after 15 years as a medical writer at ALK Abelló, a Danish firm specialising in allergy treatments, where she had been head of medical writing since 2016.
Riis, who has a masters in human biology, spent almost seven years working in scientific research at the department of clinical pharmacology, Rigshospitalet, Copenhagen, before moving into medical writing.
Announcing the move, in a post on LinkedIn on Sunday, she said: "Thursday I said goodbye to many great colleagues and my fantastic team at ALK, where I have had my daily dose of learning, performing, sharing and laughing for almost 15 years. I am very grateful for the opportunities I have been granted there. "
Riis added: "Friday was the beginning of a new adventure as manager in Medical Communications at LEO Pharma. l am so looking forward to getting to know all my new colleagues and to all the new challenges."
Commenting on the post, Thomas Kongstad Petersen, vice president of global clinical operations, LEO Pharma, said: "Welcome - we are looking forward to the collaboration at LEO :-)"
The company specialises in treatments for skin problems and blood clotting, and employs 5,000 people across 61 countries, including the UK.
It regards its global team as its "greatest asset" according to LEO Pharma’s website. "This is why we continually seek to attract passionate, dedicated and solution-orientated people – and ensure that our people develop their talent."
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