Prior to forming Deering Management Group, Inc., Mariann spent the last 28 years in Portland, Oregon, with companies such as CB Commercial Real Estate Group, Inc. (formerly Coldwell Banker Commercial), Prendergast and Associates, Cushman and Wakefield and First Interstate Bank.

Mariann not only has extensive experience in the management aspect of investment real estate, but also handles the leasing functions and assists in the sale of a property should that be the intent of the owner. As part of her management responsibilities, she supervises and administers all tenant improvements, special renovations or upgrades and any major repair or improvements the property might require.Mariann is active with current legislation affecting the real estate community and is involved with local real estate organizations. She has been a BOMA (Building Owners and Managers' Association) member for 22 years and a member of IREM (Institute of Real Estate Management) for 14 years. Mariann has also been involved with the local environmental agencies such as the Department of Environmental Quality (DEQ) and the Environmental Protection Agency (EPA), to ensure her properties comply with all local and Federal regulations.

Deering Management Group was formed to provide state-of-the-art management skills for her current and future client base. Mariann's goals are to enhance the owner's investment while providing constant attention to the tenants' needs based on honesty, integrity and a sincere dedication to each project. Deering Management Group was awarded the Accredited Management Organization (AMO®) designation in 2006.