The Team
Successful real estate professionals know they must be collaborative to respond to the 24/7 nature of the business.

Tyler Koski
Principal Broker
503-806-6114
Throughout his life, Tyler has always valued genuine and authentic connections with the people he meets and believes that, in addition to his passion for real estate and the community, this is what stands out to the clients he represents.
Being a real estate agent was a natural move for Tyler’s career. With his expansive background in the industry and his compassionate, genuine personality, Tyler brings a different experience for his clients when buying or selling a home.
Tyler is a native of the Portland area. He grew up in Southeast Portland and graduated from Cleveland High School and later attended the University of Oregon where he received his B.A. in Philosophy.
In 2013, Tyler joined Proud Ground, the largest Community Land Trust in the Pacific Northwest. While there, he worked as a Project Manager for home repair & rehabilitation, in addition to serving as their Principal Broker in Oregon and Managing Broker in Washington.
Tyler has expansive experience in buying and selling homes including short sales, foreclosures, and investment properties in Multnomah County, Washington County, Lincoln County, and Clark County.
Tyler knows it’s important to give back to the community. Prior to his time at Proud Ground, Tyler worked as the Club Director for the Boys & Girls Club before going on to work as the Site Supervisor for Multnomah Education Service District’s Outdoor School.

Crosby Case

Michael Harris
Licensed Agent
503-957-0023
A Realtor that combines his vast business acumen with superior knowledge of his hometown. What a grand union!
Mike provides a seamless client experience in buying and selling homes built on communication, dedication, fiducial responsibility, and transparency.
A Portland native, Mike, has always felt a deep connection to the Northwest and loves to share local history and be a defining part in shaping its future. In his early years he was able to join the Boys and Girls Club, meeting lifelong friends, playing sports, and developing the morals that define him today. After graduating from Cleveland High School, he started working at the Boys and Girls Club as summer staff and then was promoted to Athletic Director. It was a tremendous honor to serve the community and be a positive influence with the Boys and Girls Club youth, just as he had experienced years earlier.
While attending George Fox University, Mike worked at Central Drugs Pharmacy. Starting as a Clerk then promoted to Manager of the 100-year-old business. Attending MBA classes in advanced business practices and managing the pharmacy was the merging of “book” education and real-life education that shaped his business acumen. After graduation Mike consulted small business owners as they navigated the struggles of growth, development, and long-term strategies. All while starting his own successful business with those same friends so many years ago from the Boys and Girls Club.
Michael Harris is thrilled to join the Grand Union team. You will see Mike around town with his wife Linda and two kiddos - Lincoln and Henry, maybe the pup Stella will be with them too!