Baroness Myriam Ullens de Schooten Whettnall (née Lechien; 23 September 1952 – 29 March 2023) was a Belgian entrepreneur engaged in art, fashion, and philanthropy.

[4] In 1991, she met her future husband, Baron Guy Ullens, a Belgian businessman, and shortly thereafter she sold Sweetly in order to devote her time to non-profit organizations.

[7] After surviving breast cancer, Ullens recognised a need for patients to refocus on their physical and mental well-being while being treated in hospitals.

[8] In 2006, she founded the Mimi Ullens Foundation to support seven centres that are located within the oncology departments of its partner hospitals.

Her stepson, Nicolas Ullens de Schooten Whettnall (born 1965) was arrested and is under investigation for the murder.