In Chapter 14 of 21 in his 2011 Capture Your Flag interview with host Erik Michielsen, business school professor Ben Hallen answers "How Do You Establish Trust When Building Relationships?" Hallen notes trust develops in different ways. First, trust develops over escalating and repeating interactions. Second, trust can develop via signals where you have a reason to believer another person is credible. Third, trust can be transferred via a third party. Fourth, Hallen shares how sincerity and transparency can create trust. Hallen is an Assistant Professor of Strategy and Entrepreneurship at London Business School. Previously, he was Assistant Professor of Management and Organization at University of Maryland. Hallen earned his PhD from Stanford University and its Stanford Technology Venture Program (STVP). He has been a startup CTO and graduated from the University of Virginia with a BS in Electrical Engineering and a Masters in Computer Science.