Jul 8, 2025, 15:30

Ruth L. Kirschstein NRSA Individual Senior Fellows Award (F33)

The NIH F33 fellowship offers up to two years of support for experienced, independent investigators (≥7 years post-PhD) to broaden their scientific expertise or change research direction—often via sabbatical-style mentored research at a host institution.

Eligibility Criteria

Experience: Minimum of seven years of postdoctoral research beyond the doctorate, having achieved independent investigator status.
Citizenship: U.S. citizen, non-citizen national, or permanent resident.
Sponsor & Institution: Must secure acceptance by a sponsoring active investigator at an eligible domestic or foreign institution who will supervise the fellowship research.

Funding Details

Duration: Up to 2 years of full-time research training.
Support:
- Stipend: NIH NRSA stipend level for ≥7-year fellows (cap applies).
- Training-Related Expenses: Up to $5,000/year for allowable costs (e.g., travel, supplies).
Purpose: Enable major career transition or acquisition of new research capabilities through focused, mentored scholarship.

Deadlines & Process

Standard Due Dates:

New & Resubmission: April 8, August 8, December 8 by 5:00 PM local time.
Review & Council: Scientific Merit Review June–July, October–November, February–March; Advisory Council August/October, January/April; Earliest Start Dates September/December, April/July.

F33 applications follow the F33 Parent Announcement (PA-21-047) instructions and require submission via Grants.gov and eRA Commons.

Where to Apply & Contacts

FOA & Details.
Apply via:
- Grants.gov (Funding Opportunity Portal)
- eRA Commons (Institutional Signing Official submits)
Program Contact:

Michael C. Humble, Ph.D.

Health Scientist Administrator, Basic Science – NIEHS

[email protected] | +1 984 287 3272