Dr Philippa Martyr is an historian, university lecturer and academic researcher. Her new book is "Witness: The Future Catholic Church in Australia" and she joins Mark to discuss issues such as vocational discernment and the single life, selling off the Catholic Education system, closing down or reimagining op shops, the amalgamation of dioceses, and the green shoots of Catholic life appearing in Australia.

Anna Krohn OAM is the Executive Director of the Thomas More Centre. Anna discusses her upbringing in a political and culturally engaged working class family, what differentiates her pro-woman mentality from feminism, and the work of the Thomas More Centre.

John Johnson is the cofounder and volunteer Executive Director of the Albertus Magnus Institute (a free online platform offering a truly liberal education) and host of the Magnus podcast. He is also the CEO of Patmos Hosting. He joins Mark to AMI, the benefits of liberal education, and his insights into the Gospel of John and the Book of Revelation.