Biosketches are generally written in first person or third person. This is not mandated by NIH guidelines and is largely a matter of personal preference. That said, it should be noted that the NIH’s sample biosketch is written in the first person, which is a more intimate writing style because it tells a story from the author’s perspective (e.g., “I have expertise in…”). If an application will include multiple biosketches, the narrative voice selected should be the same for all biosketches.