Caterina Mieras i Barceló (b. in Majorca 5 April 1947) holds a degree in Medicine and Surgery from UB.

She also is Teacher at the Teacher Training School of the Balearic Islands and reached an Upper Grade in piano from the Conservatory of Music of Valencia.

She was one of the founders of the Democratic Students Union at the UB in 1967.

Mieras has been teacher as part of the Dermatology services of the Hospital Clínic of Barcelona (1974–1977) and of the Vall d'Hebron Residence (1978–1991).

Lecturer in Dermatology at the Faculty of Medicine of the UAB (1979–1991) and at the University School of Nursing of the Vall d'Hebron Residence (1979–1991).