Andreas Korsos is the Geographic Information System (GIS) Specialist for Tree Time Services. He joined Tree Time Services in 2021. Andreas has worked in the private sector, aided several non-profit and government agencies. A graduate of Sir Sandford Fleming College (now Fleming College), School of Natural Resources, Andreas has spent most of his career in the natural resources sector as a GIS Analyst and has performed work with respect to pre-project analysis, current project activity, and post project reclamation.

Through early journals and publications, he has created numerous spatial datasets built around the life experiences and travels of historic figures, trade posts and fort locations, and European and Ingenious geographic names. He is also a keen proponent of naming geographic features with their Indigenous names learned from traditional oral history or recorded in early journals.