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

Power 200 Rank


Mark Birschbach


National Association of Realtors

Birschbach is responsible for managing Second Century Ventures, NAR’s technology accelerator REach, the Realtor Benefits Program and The Center for Realtor Technology. Previously, he served as vice president of strategic investments at NAR and was responsible for managing several NAR investments.

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.