Jennifer Sey, founder of XX-XY Athletics, has been fueling controversy over trans athletes. Her company produces video ads featuring young female athletes speaking out against a perceived transgender threat. Sey's brand also offers cash rewards to athletes who boycott matches against trans athletes or speak out against them.

This has contributed to a national panic over trans athletes. Further details about Sey's actions and the impact of her company's campaigns are available. Sey's background includes a role as a former marketing executive at Levi's.

Her company, XX-XY Athletics, is a sportswear startup with a clear stance on transgender identity. More information can be found in the original article, which explores Sey's efforts and their consequences.