Callum is an IT professional by day, humanist free-thinker by night. His secondary vocation is writing and engaging on a wide range of topics and considers himself a transcendental rationalist. He believes that appeals to empirical evidence, introspection, reason, and open dialogue, play a vital role in moral progress, and the development of open and democratic societies.

Callum has a special interest in macro and microbiology. Especially the homeostatic effects feeling and meditation can have on conscious minds, and, how those effects impact our individual and social capacity to reason and understand. He is also interested in the principles and institutions necessary to engage in ethical and scientific inquiry. Dignity, dissent, rule of law, curiosity, freedom of thought and belief– The Universal Declaration of Human Rights. He has written for the Australian Rationalist Society, Humanist Society, Areo Magazine, and the District Bulletin.