Markos Hasiotis

Markos Hasiotis

Social Media Volunteer

Likes: Facts, long walks in nature, quality entertainment, books, trivia nights

Dislikes: Lies, cruelty, extreme heat, airline food

Favourite Animal in the Yarra Catchment: Echidna


Markos is a passionate content creator and sharer of interesting information. 

He obtained an Arts degree from the University of Melbourne in 2014 and since then he’s had a variety of experiences in media. He’s also been operating the popular Twitter account FactBuffet ( since 2015 and used his knowledge to win the show “Hard Quiz” in 2017. 

He is keen to make a positive contribution in as many areas as possible, he’s volunteered with the Mental Health Foundation Australia, the Melbourne Space Program, the Multicultural Youth Advocacy Network, Meals on Wheels and the list goes on. He recognises that the environment is one of the most vital issues of our time and the importance of protecting it. He looks forward to using his skills to assist the Yarra Riverkeeper Association and ensure the well-being of our Yarra. 


“My favourite part of the Yarra is the Merri Creek tributary, I’ve lived next to it for most of my life. I’d like to see the entire Yarra remain as healthy as possible for as long as possible. We all need it!”