Mark Edelson holds a B.S. in Criminal Justice and a Juris Doctor degree, establishing a solid educational foundation. He spent several years managing institutional risk in high-finance before transitioning to public service roles. Edelson has held various leadership positions, including board memberships in community organizations and serving as Vice Chair of the Baltimore City Democratic State Central Committee. He has also been actively involved in local community associations, focusing on neighborhood improvements and public transit advocacy. Currently, Edelson serves in the Maryland House of Delegates, where he is a member of the Appropriations Committee and holds a vice-chair position on the Transportation and the Environment Subcommittee.

Mark Edelson's political philosophy is marked by a distinctive blend of local advocacy and progressive policy support. He champions public transit reforms while opposing major infrastructure projects that could disrupt local communities. Edelson's legislative initiatives, such as backing oversight boards for the Maryland Transit Administration, reveal a nuanced approach to balancing regional interests with broader public welfare. His involvement in Jewish and Latino caucuses further underscores a commitment to diverse community representation, hinting at a multifaceted ideological stance.