All chapters have been revisited to achieve a consistent MPI-2.2 text. Those who served as authors for the necessary modifications are:
| Pavan Balaji | Purushotham V. Bangalore | Brian Barrett |
| Richard Barrett | Christian Bell | Robert Blackmore |
| Gil Bloch | Ron Brightwell | Greg Bronevetsky |
| Jeff Brown | Darius Buntinas | Jonathan Carter |
| Nathan DeBardeleben | Terry Dontje | Gabor Dozsa |
| Edric Ellis | Karl Feind | Edgar Gabriel |
| Patrick Geoffray | Johann George | David Gingold |
| David Goodell | Erez Haba | Robert Harrison |
| Thomas Herault | Marc-André Hermanns | Steve Hodson |
| Joshua Hursey | Yutaka Ishikawa | Bin Jia |
| Hideyuki Jitsumoto | Terry Jones | Yann Kalemkarian |
| Ranier Keller | Matthew Koop | Quincey Koziol |
| Manojkumar Krishnan | Sameer Kumar | Miron Livny |
| Andrew Lumsdaine | Miao Luo | Ewing Lusk |
| Timothy I. Mattox | Kannan Narasimhan | Mark Pagel |
| Avneesh Pant | Steve Poole | Howard Pritchard |
| Craig Rasmussen | Hubert Ritzdorf | Rob Ross |
| Martin Schulz | Pavel Shamis | Galen Shipman |
| Christian Siebert | Anthony Skjellum | Brian Smith |
| Naoki Sueyasu | Vinod Tipparaju | Keith Underwood |
| Rolf Vandevaart | Abhinav Vishnu | Weikuan Yu |
The MPI Forum also acknowledges and appreciates the valuable input from people via e-mail and in person.
The following institutions supported the MPI-2.2 effort through time and travel support for the people listed above.

Funding for the MPI Forum meetings was partially supported by awards #CCF-0816909 and #CCF-1144042 from the National Science Foundation. In addition, the HDF Group provided travel support for one U.S. academic.