Principals are also asked to represent the firm at meetings related to project design. He may take the reins on large or important projects, or advise other staff members when design questions arise.
#Project principal definition trial#
In the context of a clinical trial a PI may be an academic working with grants from NIH or other funding agencies, or may be effectively a contractor for a pharmaceutical company working on testing the safety and efficacy of new medicines. In some companies, a principal architect may still oversee certain types of design work, particularly in small firms. For small projects the PI is typically the person who conceived of the investigation, but for larger projects the PI may be selected by a team to obtain the best strategic advantage for the project. In the context of USA federal funding from agencies such as the NIH or the NSF, the PI is the person who takes direct responsibility for completion of a funded project, directing the research and reporting directly to the funding agency. The principal-agent model definition stems from Black's Law Dictionary of 1999, it defines a principal as someone authorizing a person to act on their behalf. It is often used as a synonym for "head of the laboratory" or "research group leader ", not just for a particular study. Freebase (0.00 / 0 votes) Rate this definition:Ī principal investigator is the lead scientist or engineer for a particular well-defined science project, such as a laboratory study or clinical trial.
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