Margaret Siebers is an assistant property manager for a 200,000-square-foot office building in Columbia, Maryland, as well as 1190 Winterson Road in Linthicum, Maryland and 415 N. Washington Street in Baltimore, Maryland. Her responsibilities include monitoring building maintenance, coordinating all vendor contract services, reconciling accounts receivable and payable; assisting in the preparation of annual budgets and monthly investor reports; maintaining detailed lease files and all tenant and vendor file compliance.