Well Told Grants

Grants / U.S. National Science Foundation / U.S. National Science Foundation

Mathematical Sciences Postdoctoral Research Fellowships (MSPRF)

Open Closes October 20, 2027 (354 days left) Opportunity 23-603

U.S. National Science Foundation is offering grants to the applicants described in the notice. It expects to make about 45 awards worth $8.5 million in total. Applications close on October 20, 2027.

From the official notice on Grants.gov, last changed October 22, 2026. Checked October 31, 2026.

Key dates

PostedJuly 14, 2023
DeadlineOctober 20, 2027
Archived by Grants.govNovember 19, 2027

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Who can apply

This opportunity is open to the applicants described in the notice.

*Who May Submit Proposals: Proposals may only be submitted by the following: -The Mathematical Sciences Postdoctoral Research Fellowships are awards to individuals, and proposals are submitted directly by the fellowship proposer to NSF. Fellows must affiliate with institutions or organizations (e.g., Institutions of Higher Education (IHEs), government and national laboratories and facilities, privately sponsored nonprofit institutes and museums, and for-profit organizations under certain conditions). *Who May Serve as PI: An individual is eligible to submit a proposal to this program if all the following criteria are met: Must, at the time of submission, be a U.S. citizen, U.S. national, or a legally admitted permanent resident alien of the United States; May not have held the doctoral degree more than 2 years as of January 1 of the year of the award; Must propose research in an area of mathematics or statistics; May not have previously been a principal investigator or co-principal investigator of an NSF award (other than a graduate research fellowship or an award in support of a conference or workshop); May not submit a research plan duplicated in another NSF proposal; Must not have previously been offered an award by the MSPRF program; and Must have a doctoral degree conferred before the postdoctoral appointment start date. Proposals that fail to meet the above eligibility requirements will be returned without review. By signing and submitting the proposal, the fellowship candidate is certifying that they meet the eligibility criteria specified in this program solicitation. Willful provision of false information in this request and its supporting documents or in reports required under an ensuing award is a criminal offense (U.S. Code, Title 18, Section 1001).

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What the grant funds

The purpose of the Mathematical Sciences Postdoctoral Research Fellowships (MSPRF) is to support future leaders in mathematics and statistics by facilitating their participation in postdoctoral research environments that will have maximal impact on their future scientific development. There are two options for awardees: Research Fellowship and Research Instructorship. Awards will support research in areas of mathematics and statistics, including applications to other disciplines.

Category: Science and Technology and other Research and Development.

How to apply

  1. Read the full notice and attachments on Grants.gov and the agency's announcement. The notice is the official source for deadlines and requirements.
  2. Make sure your organization has an active SAM.gov registration and Unique Entity ID; registration can take several weeks.
  3. Register on Grants.gov and submit through Workspace before the deadline and time given in the notice. Our application guide walks through each step.

Questions go to U.S. National Science Foundation, grantsgovsupport@nsf.gov, 703-292-4203.

Open the official notice

Questions people ask

Who can apply for Mathematical Sciences Postdoctoral Research Fellowships (MSPRF)?

U.S. National Science Foundation accepts applications from the applicants described in the notice. The notice adds further conditions, so read its eligibility section.

What is the deadline for Mathematical Sciences Postdoctoral Research Fellowships (MSPRF)?

Closes October 20, 2027 (354 days left). Confirm the date and time in the official notice on Grants.gov.

How much funding is available?

About $8.5 million in total across about 45 awards.

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