New: T3 Sixty releases Tech500, its’ lists of Top Technology Providers based on the T3 Technology Landscape. 

Power 200 Rank


John Mosey

Chief Executive Officer


Mosey has led Minnesota-based NorthstarMLS, which has over 18,000 members, since 2002. He also serves on the board of Council of Multiple Listing Services, MLS Grid and the Broker Public Portal. In Mosey’s 40 years in organized real estate, he has also held leadership roles with Moore Data Management Systems and Cyberhomes.

Evaluating Leaders

Leaders are evaluated based on the office they hold, the decision-making power associated with the office, the financial resources at their disposal, their organization’s industry significance and geographical reach, public announcements about imminent changes, their tenure and their personal influence in the industry.