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About the Author

Fr. Tad Pacholczyk
Director of Education and Staff Ethicist
National Catholic Bioethics Center

Father Tadeusz Pacholczyk directs the NCBC’s certification program in health care ethics. A priest of the Diocese of Fall River, Massachusetts, he has given several hundred presentations and participated in debates and roundtables on contemporary medical ethics and bioethics throughout the United States, Canada, and Europe. He has taught bioethics at St. John’s Seminary in Boston; Pope St. John XXIII Seminary in Weston, Massachusetts; Holy Apostles College and Seminary in Connecticut; Kenrick-Glennon Seminary in St. Louis; St. Charles Borromeo Seminary in Philadelphia; and The Catholic University of America in Washington, DC.

Fr. Pacholczyk has degrees in philosophy, biochemistry, molecular cell biology, and chemistry. He later earned a PhD in neuroscience from Yale University, where he focused on cloning genes for neurotransmitter transporters which are expressed in the brain. After working several years as a molecular biologist at Massachusetts General Hospital/Harvard Medical School, Fr. Pacholczyk studied for five years in Rome at both the Gregorian University and the Lateran University, where he did advanced work in dogmatic theology and bioethics, examining delayed ensoulment of the human embryo.

He has testified before state legislatures during deliberations over stem cell research and cloning. He writes a syndicated monthly column on bioethics that appears in more than forty US diocesan newspapers as well as newspapers in England, Poland, and Australia. He has appeared in numerous media outlets, including NBC, ABC, CNN International, National Public Radio, the Wall Street Journal, the Dallas Morning News, and the New York Times.

Published Pieces


The Principles of Catholic Bioethics

In the rapidly-developing health sciences, a firm foundation in the principles of Catholic bioethics illuminates the moral decision-making process of healthcare workers.

Rev. Tadeusz Pacholczyk
Dr. Mary Dockter
Feb 10, 2022