What kind of firms has Robert Friedman held board positions for?
Robert Friedman has held board positions for early stagestartup biopharmaceutical firms.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What kind of firms has Robert Friedman held board positions for?

### Input: Not applicable

### Response:
Robert Friedman has held board positions for early stagestartup biopharmaceutical firms.<|im_end|>