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Leverage Our Expertise

Want to find an expert? Scroll through our alphabetized list below.

Can't find what you're looking for? Contact the media relations staff one of the following ways:


• Cilla Shindell, director of media relations, at 937-229-3257 or 

• Shawn Robinson, associate director of media relations, at 937-229-3391 or

For University of Dayton Research Institute experts, contact Pamela Gregg at 937-229-3268 or

Viewing experts on: Mary, mother of Jesus
Johann Roten, S.M.
Johann Roten, S.M.
Instructor, International Marian Research Institute

Father Roten's expertise includes how faith and the Catholic Church intersect in different cultures, especially how cultures see the birth of Christ and express their perspectives in Nativities. He frequently also serves as a resource on canonization and apparitions. A former student of Pope Benedict XVI, Roten served on a Vatican-appointed commission about Mary in the 1990s. Swiss by birth, Roten speaks English, French, German, Swiss-German, Italian, Spanish, Dutch, Latin and Greek. He ministers in Polish, Hungarian and Lithuanian in the ethnic churches of Dayton. Interviewed by: Catholic News Service, National Catholic Register, National Geographic, PBS, The New York Times, Newsweek, The Wall Street Journal, The Associated Press, The Cincinnati Enquirer, San Francisco Chronicle, The Washington Post, Denver Post, The Dallas Morning News, The Baltimore Sun and the Milwaukee Journal-Sentinel.

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