Sean Branney
Sean  is an American filmmaker, actor, and writer best known as the co-founder of the The H.P. Lovecraft Historical Society (HPLHS). He and his colleague Andrew Leman established the organization in 1985 to celebrate the life and works of author H.P. Lovecraft through films, audiobooks, and tabletop gaming.

Paula Deming
Paula is a Los Angeles-based comedian, actress, and TTRPG actual play performer! She is the star of the board game sketch comedy show Things Get Dicey, and can be seen on such shows as The Glass Cannon Network, Good Time Society, and Chaosium's hit actual play series Graveyards of Arkham, among many others.

Michael O'Brien ('MOB')
MOB is Vice President for Chaosium. His role encompasses creative and business development, community engagement, and MGF ('maximum game fun'). He is also producer/co-producer of Chaosium's actual play and live shows including Bookshops of Arkham, Graveyards of Arkham, and Call of Cthulhu Live.

Brian Holland
Brian is the Executive Producer at Chaosium and an ENnie Award–winning writer.
He is best known for the solo Call of Cthulhu scenario Alone Against the Static, which earned Gold for Best Writing and Silver for Best Adventure in 2024.
With a background spanning both tabletop and digital gaming, he has worked as a marketing specialist, writer, and community manager.

Jason Durall
Jasson is the Creative Director for Basic Roleplaying (BRP) at Chaosium. A native of the Pacific Northwest, he has been playing and designing games for over 35 years. His professional career began with Chaosium, where he contributed to Elric!, Dragon Lords of Melniboné, and the Basic Roleplaying “Big Gold Book”.

Mark Morrison
Mark is a Community Ambassador and editorial associate at Chaosium. Mark has edited Horror on the Orient Express (twice), written numerous Call of Cthulhu scenarios, and served as line editor for Stormbringer and Elric! in the early 1990s.

Andrew Bean
Andrew spent more than a decade roaming the Arabian wastes in search of lost cities, ancient ruins, and rare Arabian Leopards and Oryx, before returning to Melbourne, Australia. He is Chaosium's convention co-ordinator for Australia, NZ and Asia/Pacific.