Sokeel Park is the Director of Research for Liberty in North Korea (LINK), an organisation that works to assist the thousands of North Korean Refugees who have escaped their country, by ensuring their safe and dignified journey to freedom within South Korea.

Chris Grant is a Science Historian specialising in the Space-Flight Era and the creator of Universe University, a Science History podcast and blog. For more: www.universeuniversity.space

Deborah Hyde is a Folklorist, Skeptic and Cultural Anthropologist who specialises in the Supernatural, Paranormal, and Cryptozoology. She can be found at deborahhyde.com.

Daniele Bolelli is a Historian, Author and Storyteller with his very popular "History on Fire" Podcast. http://www.danielebolelli.com/

Lisa Harvey-Smith is an Astronomer, Women in STEM Ambassador to the Australian Government, an advisor for the Australian space agency as well as an author and broadcaster. Lisaharveysmith.com

Kyle Buller is host of The Psychedelics Today network and is a specialist in the field of non-ordinary states of consciousness, trans-personal psychology and mental health counselling.

Jack and Ada are Political commentators and hosts of their own podcast: Totally Unprepared Politics. twitter.com/thetupshow https://soundcloud.com/totallyunpreparedpolitics

Tristan Rose is an Ex-Australian Army Soldier and founder of Blind Tiger Yoga. Tristan’s military career spanned 10 years and multiple deployments to both Iraq and Afghanistan, which led him to develop Blind Tiger Yoga, an organisation whose mission is to provide Yoga to Military, Veterans and Emergency First Responders in order to provide a method of maintaining their overall physical and mental health. www.blindtigeryoga.com

Connor Wander is an Alzheimer's Disease researcher specialising in GABA Neural Networks, and is one of the founders of "Straight from a Scientist", a Science Communication Network working to communicate science to both academics and the wider public. https://www.straightfromascientist.com/.

Franck Marchis is a SETI (Search for Extraterrestrial Intelligence) Senior Planetary Astronomer and chair of the Exoplanet Group at the Carl Sagan Center of the SETI Institute. Prior to this, his work has involved the discovery and characterisation of numerous asteroids, study of the volcanism on Io (one of Jupiter's moons) and the enhancement of adaptive optics. He is also the co-founder of Unistellar, a company that develops extremely high quality telescopes. Visit http://franckmarchis.com/ or https://unistellaroptics.com/.