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Luxembourg-based investment manager Artal bought WeightWatchers from then H.J.

Anne Goffard, managing partner of Artal did not immediately respond to Reuters' request for comment.

Artal Group held an 18.8% stake in the company at the end of December 31, according to Refinitiv data.

The same year, his family firm, Artal, bought Weight Watchers for $735 million in what Forbes called in 2018 “one of the best private equity deals ever.”

A research review by Raul Artal, chairman emeritus at the Department of Obstetrics, Gynecology and Women’s Health at St. Louis University, shows that a postpartum exercise routine helps mentally and physically.