Penrose Circle

Honoring Leadership and Legacy in the Geosciences – Penrose Circle

Through their generous annual support of at least $1,000, Penrose Circle members provide the Geological Society of America with resources to sustain and expand its impact. The Penrose Circle is named in honor of R.A.F. Penrose Jr. and his legacy of generosity. We invite you to join him and help ensure GSA continues to shape the future of geosciences. Penrose Circle members are recognized at the following levels:

  • Topaz:  $1,000 – $2,499
  • Ruby:  $2,500 – $4,999
  • Emerald:  $5,000 – $9,999
  • Diamond:  $10,000 or more

Please contact Sean O’Brien to learn more about how your gifts power GSA’s success and build a strong geoscience community.

Contact Sean o’brien
Executive Director