Find an Individual Member
Find an individual member using the form below or using our Member Map. To select among specialty types please see the definitions of each type below and choose accordingly.
SIOR Designee
Representing the elite top 1% of commercial real estate professionals, SIOR designees are recognized for their exceptional production, experience, and commitment to the highest standards of ethics and excellence. Designees specialize in industrial, office, sales management, executive management, and advisory services.
Member Associate
Commercial real estate professionals with 1–8 years of industry experience who are building their careers and working toward earning the prestigious SIOR designation through education, mentorship, and networking opportunities.
Affiliate Member
Companies providing products and services to the commercial real estate industry seeking to build relationships, increase visibility, and connect with SIOR’s elite global network of professionals. You may also use the following link to search our Affiliate Members.
Clayton Madey
Broker, Partner
MACADAM FORBES / ONCOR INT'L
SIORSIOR Member since 2025
2 Centerpointe Dr Ste 500, Lake Oswego, Oregon 97035-8625
About
Clayton works on sales, leasing, and land development in Oregon and Southwest Washington, with a focus on industrial product. He has closed over $400,000,000 in total deal value to date. Clayton recently became a partner at Macadam Forbes, and a member of the SIOR Oregon Chapter.

