Originally from the United States, Jason Sandy is an architect and developer who moved to London in 2007. He discovered mudlarking in 2012 and has contributed to many articles and books on mudlarking, as well as lecturing, appearing on national television, and having an active presence on social media.

Based in London, Nick Stevens is a professional photographer and a member of the exclusive Society of Thames Mudlarks. He appeared in all three seasons of History Channel's Mud Men and co-founded the Thames Museum Trust, which aims to establish a museum around mudlarking finds.