MPI-3.1 is a minor update to the MPI Standard.
The editors and organizers of the MPI-3.1 have been:
| Charles Archer | Pavan Balaji | Purushotham V. Bangalore |
| Brian Barrett | Wesley Bland | Michael Blocksome |
| George Bosilca | Aurelien Bouteiller | Devendar Bureddy |
| Yohann Burette | Mohamad Chaarawi | Alexey Cheptsov |
| James Dinan | Dmitry Durnov | Thomas Francois |
| Edgar Gabriel | Todd Gamblin | Balazs Gerofi |
| Paddy Gillies | David Goodell | Manjunath Gorentla Venkata |
| Richard L. Graham | Ryan E. Grant | William Gropp |
| Khaled Hamidouche | Jeff Hammond | Amin Hassani |
| Marc-André Hermanns | Nathan Hjelm | Torsten Hoefler |
| Daniel Holmes | Atsushi Hori | Yutaka Ishikawa |
| Hideyuki Jitsumoto | Jithin Jose | Krishna Kandalla |
| Christos Kavouklis | Takahiro Kawashima | Chulho Kim |
| Michael Knobloch | Alice Koniges | Quincey Koziol |
| Sameer Kumar | Joshua Ladd | Ignacio Laguna |
| Huiwei Lu | Guillaume Mercier | Kathryn Mohror |
| Adam Moody | Tomotake Nakamura | Takeshi Nanri |
| Steve Oyanagi | Antonio J. P ena | Sreeram Potluri |
| Howard Pritchard | Rolf Rabenseifner | Nicholas Radcliffe |
| Ken Raffenetti | Raghunath Raja | Craig Rasmussen |
| Davide Rossetti | Kento Sato | Martin Schulz |
| Sangmin Seo | Christian Siebert | Anthony Skjellum |
| Brian Smith | David Solt | Jeffrey M. Squyres |
| Hari Subramoni | Shinji Sumimoto | Alexander Supalov |
| Bronis R. de Supinski | Sayantan Sur | Masamichi Takagi |
| Keita Teranishi | Rajeev Thakur | Fabian Tillier |
| Yuichi Tsujita | Geoffroy Vallée | Rolf vandeVaart |
| Akshay Venkatesh | Jerome Vienne | Venkat Vishwanath |
| Anh Vo | Huseyin S. Yildiz | Junchao Zhang |
| Xin Zhao |
The MPI Forum also acknowledges and appreciates the valuable input from people via e-mail and in person.
The following institutions supported the MPI-3.1 effort through time and travel support for the people listed above.
