About Us

David P. Ellermann, CCIM

David P. Ellermann, CCIM

Located in Chicago’s West Loop, and growing up in the Chicago suburbs, David has leveraged his relationships with the best in the business to build a foundation of successful transaction experience in sales volume in addition to leasing and consulting services. His care of his clients and passion for the industry revolves on Client experience and an aggressive, proven process. He is also a Certified Commercial Investment Member, and a leader among this global standard in commercial real estate.

312.402.3283

Michael D. Williamson, CCIM

Michael D. Williamson, CCIM

Michael D. Williamson, CCIM is a Broker Associate with SperryCGA-Ellermann Brokerage in Chicago, IL. Mike is honored and thankful to be a member of the SperryCGA family and apply his knowledge and experience in the Chicagoland area where he found early and sustained success in the Northwest Suburban market. Mike had started his career with the #1 CRE firm in McHenry County, completing his apprenticeship program under the top brokers in the county with over 50 years of combined experience. In under two years, he surpassed 40 completed transactions and became one of the top brokers in the area.

847.732.0504