when chen first started in design he never imagined that this work would be seen by hundreds of thousands of tourists in new york times square each year which type of design does chen do

Based on the given information, it can be inferred that Chen is engaged in a form of design that is displayed in New York Times Square and seen by a large number of tourists each year. Without specific details, it is difficult to determine the exact type of design Chen does, but it could potentially be related to graphic design, advertising design, architectural design, or even interactive installations among others.

Based on the given information, it is not explicitly mentioned what type of design Chen does. However, considering that the work is seen by hundreds of thousands of tourists in New York Times Square, it is possible that Chen is involved in large-scale or public art installations, advertising design, or possibly the design of visual displays for events or exhibitions. Without further details, it is difficult to determine the exact type of design Chen specializes in.

To determine the type of design that Chen does, we would need more information about Chen's work. However, based on the context provided, it can be inferred that Chen's work is likely related to a design that is visible to visitors in New York Times Square. This suggests that Chen could be involved in designing the visuals, graphics, or installations that are showcased in the public space.

To confirm the type of design Chen does, it would be helpful to review Chen's portfolio, interview Chen, or explore any public information available about Chen's work in New York Times Square.