Rabino Mordechai Guertzenstein
1963, Marco Grotenstein (in Hebrew Mordechai)was born in Sao Paulo in a traditional but non- religious Jewish family
1970 The family moves to England to work as a medical researcher in the field of physiology and the children attend a Jewish school
1973 The family returns to Brazil for family reasons and for two years studied at the American College of Morumbi
1976-1977 The children return to England to study at a Jewish religious boarding school and from there I became interested and liked authentic Judaism
1978-1979 the children return to Brazil and study at the Peretz school which was founded by our grandfather
1979 in December, by choice of mine, I participated in the summer camp at Yeshiva in Petrópolis, from where I returned as a practitioner
1980, attending the 3rd high school, already assumed Judaism in its entirety, I attended synagogues and had classes
1981 I entered 5th place in medicine at USP
1982 I dropped out college to devote myself to the religious studies I didn’t have as a child and went to a Yeshiva in the United States
1983-1984 studied in the United States and Canada at yeshiva
In 1985 I married my wife Daniela and after seven days of the wedding party I went to live in Israel and study at Kollel which is a Talmudic academy for married people.
1985-1991 I continued my studies and took exams at the Chief Rabbinate of Israel and became a rabbi
1991-1999 I continued studying to become a rabbinical judge by the chief rabbinate and in 1999 I graduated
2000-2002 I was responsible for the studies of judge at the institution where I graduated
2002-2022 at the end of 2002 we had to return to Brazil and I served as a rabbinical professor in several institutions and acted as a judge in the court of religious divorces and matters of Jewish law pertaining to marriages. And I continue to work on these matters related to Halacha.