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Koss Property Management is a community business centrally located just blocks from the University of Washington in Seattle. For over 20 years Koss has served the needs of Seattle area landlords and their tenants. Our team of experienced and dedicated professionals allow us to effectively market and manage your rental property.

It is our goal of Koss Property Management to make it a pleasure to be a tenant and profitable to be a landlord.

Meet Our Staff


Tamara Simon

Tamara Simon is the founder of Koss Property Management, Inc and serves as the Designated Broker. Ms. Simon began her real estate career in Seattle in 1982 and has always specialized in Residential Property Management. In January 1991, Ms. Simon established Koss Property Management, Inc.A regular speaker on topics related to property management, Tamara currently serves on the Board of Rental Housing Association (RHA) elected in 2010, and has served on the board of the Seattle Chapter of NARPM (National Association of Real Property Managers). A popular instructor Tamara teaches many classes in property management including Landlord 101 and Screen for Success.

Michael Lee

Michael Lee is the President of Koss Property Management. A Licensed Real Estate Broker, Michael supervises the day to day operations of the office staff and manages ongoing projects. After a successful 20 year career in the IT industry, Mr. Lee also serves as our IT Director.

Leeann Ghiglione

Leeann began her career in residential sales and quickly learned that her passion was in Professional Property Management. She has been in the Property Management field since 1991. In 1997 she joined the National Association of Residential Property Managers (NARPM®) and in 2009 earned the Residential Management Professional® Designation and in 2010, earned the Master Property Manager® Designation. She has served NARPM on the local, regional and national levels; in 2009 as the King County chapter President. In 2010 she chaired NARPM’s National Convention held right here in Seattle. In 2011 she was the National Member service Chair, from 2012-2014 she served on the National Board of Directors as the NW RVP and in 2015 she was the National Treasurer. In addition she currently sits on both the Regional and National Conference committees and is the 2016 NW Region Ambassadors for NARPM®. She believes that her knowledge and love of this industry will be instrumental here at Koss Property Management. She looks forward to helping you with all of your real estate and property management needs.

Leeann was born and raised on Capitol Hill in Seattle. She is married and has 4 beautiful daughters. When she’s not working she enjoys camping, spending time with family and friends, volunteering and watching the Seattle Seahawks!

Dianne Trani

Dianne Trani is a licensed Real Estate Broker, former business owner and private landlord. Dianne offers outstanding customer service skills as a Leasing Agent and joined Koss Property Management in 2010.

Jamie Schoenmakers

Jamie is a licensed property manager and Real Estate Broker. She as well serves as our leasing agent and maintenance coordinator. Jamie has been involved in the property management business for 6 years, her interest in property management goes back many years as she is a second generation industry professional.