The invention relates to a tree stand assembly for engaging a tree and supporting a person above ground. The tree stand assembly has a tree stand member and a tree climber member configured for frictional engagement with a tree trunk. The tree stand member has a foot platform, a flexible seat and a tree engaging portion with teeth. The tree climber member is positioned below the tree stand member and is provided with a V-shaped tree engaging member. Detachable locking bars on the tree stand member and the tree climber member allow adjustment of the assembly to different diameter trees.