Algorithmic networking startup Lunchclub coordinates in-person meetings between professionals who would have been unlikely to meet. The company faces marketplace design, growth, and monetization challenges: The executive team has to refine Lunchclub's marketplace strategy, and determine whether the company should continue to focus on its current use cases and geographical hubs or expand the platform's scale and scope. And while Lunchclub unlocks significant value by brokering new connections, the team still has to identify whom to charge and how.