Question: Who wrote the libretto for an opera directed by Thaddeus Strassberger?

Context paragraphs:
Sravana Sameeralu: Sravana Sameeralu is an Indian soap opera directed by Manjula Naidu and written by Bindu Naidu telecasted on Gemini TV replacing the highly popular serial Mogali Rekulu.

Cheat Satrey: Cheat Satrey (A Woman's Life) is the 1st ever Khmer TV opera directed by Fai Som Ang starring Pich Saparn, Keo Koliyan, Pich Vong Reksmey, Pong Rottanak, Chea Somnang and many others.

Martha (1964 film): Martha is a 1964 Australian television play.  It is a filmed opera directed by Christopher Muir.

La Bohème (1988 film): La bohème (also known as "La bohème de Puccini") is a 1988 Italian-French film of an opera directed by Luigi Comencini.  It is based on Giacomo Puccini's "La bohème".

La Cenerentola: La Cenerentola, ossia La bontà in trionfo (Cinderella, or Goodness Triumphant) is an operatic "dramma giocoso" in two acts by Gioachino Rossini.  The libretto was written by Jacopo Ferretti, based on the fairy tale "Cendrillon" by Charles Perrault.  The opera was first performed in Rome's Teatro Valle on 25 January 1817.

Ikaw ang Lahat sa Akin: Ikaw Ang Lahat Sa Akin (English: "You're Everything to Me") is a Filipino primetime soap opera directed by F.M. Reyes and broadcast by ABS-CBN.  It stars John Lloyd Cruz, Bea Alonzo, Diether Ocampo, Angelika dela Cruz, Shaina Magdayao and Claudine Barretto.  It aired from May 16, 2005 to November 4, 2005.

Mogali Rekulu: Mogalirekulu is an Indian soap opera directed by Manjula Naidu and written by Bindu Naidu telecasted on Gemini TV replacing the highly popular serial Chakravakam (TV serial)

Kone Prosa Srey: Kone Prosa Srey is a 2007 Khmer TV soap opera directed by Parn Puong Bopha starring Duch Sophea.  The opera is widely considered as the sparkling flame of Khmer soap operas.

The Beggar's Opera (film): The Beggar's Opera is a 1953 Technicolor film version of John Gay's 1728 ballad opera directed by Peter Brook and starring Laurence Olivier, Dorothy Tutin, Stanley Holloway and others.  Olivier and Holloway do their own singing in this film, but Dorothy Tutin and several others were dubbed.  This was Laurence Olivier's only film musical.

Thaddeus Strassberger: Thaddeus Strassberger (born 1976) is an American opera director and scenic designer.  In 2005 he was awarded the European Opera Directing Prize by Opera Europa for his work on Opera Ireland's production of Rossini's "La Cenerentola".

Supporting paragraphs: Thaddeus Strassberger La Cenerentola
Answer: Jacopo Ferretti