Jim Gallien is an American electrical engineer and businessman, best known for his role in the story of Christopher McCandless. He was the last person to see McCandless alive before he ventured into the Alaskan wilderness in 1992. Gallien provided McCandless with essential supplies and advice, expressing concern for his safety. Gallien's encounter with McCandless has been widely discussed in various media, including the book Into the Wild by Jon Krakauer. This story highlights themes of adventure, survival, and the consequences of isolation in nature. Gallien's perspective adds depth to the narrative surrounding McCandless's journey.