No, Neil DeGrasse Tyson does not currently work for NASA.
Neil DeGrasse Tyson is a prominent astrophysicist, science communicator, and author. While he has had affiliations with NASA in the past, particularly as a consultant and in various advisory roles, he has never been an employee of the organization. Tyson is best known for his work in popularizing science and making it accessible to the general public, rather than conducting research or operations at NASA.
His connection with NASA includes participation in public events, lectures, and serving on committees related to space exploration. However, his main role has been as a director of the Hayden Planetarium and as a science advocate in media and education rather than working directly on NASA projects.