- 10th IEEE International Conference on e-Science, October 20 – 24, 2014, Sao Palo, Brazil, Program Committee
- 3rd PRACE Industrial Seminar, Stockholm, Sweden, March 28-29, 2011, Program Committee
- 2nd PRACE Scientific Seminar, Stockholm, Sweden, February 21 – 23, 2011, Program and Organizing Comittees
- Sixth International Conference on e-Science, Brisbane, Australia, December 7 – 10, 2010, Program Committee
- PDC 20 year Anniversary Symposium, Stockholm, Sweden,
August 30 – 31, 2010, Program Committee - PRACE Stream Computing Workshop, Stockholm, Sweden,
December 7 – 10, 2009, Chair, Program Committee - PRACE Winter School, Athens, Greece, February 10 – 13, 2009, Program Committee,
- Fifth International Conference on e-Science, Oxford, December 9 – 11, 2009, Program Committee
- PRACE Summer School, Stockholm, Sweden, 2008,
August 18 – 29, 2008, Vice Chair, Program Committee - Fourth IEEE International Conference on e-Science,
Indianapolis, Indiana, December 7 – 12, 2008, Program Committee - IEEE International Conference on Systems, Man and
Cybernetics, Singapore, October 12 – 15, 2008, Program Committee - Gulf Coast Consortia Futures Conference, Houston, 2007,
Program Committee - Gelato ICE 2006 Conference, Singapore, October 1 – 4, 2006, Program Committee
- Information-Based Translational Medicine Symposium, Houston, September 29 – 30, 2005, Program Committee
- Seventh Workshop on Languages, Compilers, and Run-Time support for Scalable Systems , Houston, TX, October 22 – 24, 2004, Program Committee
- The 2004 LACSI Symposium, Santa Fe, New Mexico, October 12 – 14, 2004, Program Committee
- The First Baltic Grid Conference , Vilnius, Lithuania, October 5 – 7, 2004, Chair, Program Committee,
- Second Intternational Grid Summer School, Vico Equenze, Italy, July 18 – 30, 2004, Program Committee
- Gelato Federation Annual Meeting, Stockholm, October 13 – 15, 2003, Organizing Committee
- First International Grid Summer School, Vico Equense,
Italy, July 14 – 26, 2003, Program Committee - SC2003, Phoenix, AZ, November 15 – 21,2003, Technical Program Committee
- International Conference on Parallel Processing,
Kaohsiung, Taiwan, October 6 – 9, 2003, Program Committee - Fourteenth IASTED International Conference on Parallel and Distributed Computing and Systems, Cambridge, MA, November 4 – 6, 2002, Steering Committee
- Startap Annual Meeting, Stockholm, Sweden, June 5, 2001,
Local Organizing Committee - Thirteenth IASTED International Conference on Parallel and Distributed Computing and Systems, Anaheim, CA, August 21 — 24, 2001, Steering Committee
- KTH Linux Laboratory Inauguration, Stockholm, February 13, 2001, Organizing and Program Committees
- Second Annual Los Alamos Computer Science Institute Symposium, Santa Fe, NM, October 15 — 18, 2001, Program Committee
- First EuroGlobus Workshop, Lecce-Alimini Valtur, Italy, June 16 – 23, 2001, Steering Committee
- Tenth IEEE International Symposium on High Performance Distributed Computing, San Fransisco, August 7 – 10, 2001, Program Committee
- Simulation and Visualization in the Life Sciences, Eighth PDC Symposium, Stockholm, Sweden, December 13 — 15, 2000, Organizing and Program Committees
- Fifth Grid Forum, Marlborough, MA, October 15 – 18, 2000, Organizing Committee
- Los Alamos Computer Science Institute 2000 Symposium, Santa Fe, NM, August 27 — 30, 2000, Program Committee
- First European Grid Forum Workshop, ISThmus 2000, Poznan, Poland, April 11 — 13, 2000, Program Committee
- Simulation and Visualization on the Grid, Seventh PDC Symposium, Stockholm, Sweden, December 16 — 17, 1999, 1999 Organizing and Program Committees
- 11th IASTED International Conference on Parallel and Distributed Computing and Systems,Cambridge, MA, November 3 — 6, 1999, Steering Committee
- 11th Annual ACM Symposium on Parallel Algorithms and Architecture (SPAA)}, Saint-Malo, France, June 27
— June 30, 1999, Program Committee - Future Directions in Visualization and Virtual Reality, Sixth PDC Symposium, Stockholm, Sweden, December 17 — 18, 1998, Organizing and Program Committees
- Cluster and Distributed Computation Workshop, Stockholm, Sweden, September 24 — 25, 1998, Organizing and Program Committees
- 10th IASTED International Conference on Parallel and Distributed Computing and Systems, Las Vegas, NV, October 28 — 31, 1998, Steering Committee
- 12th ACM International Conference on Supercomputing, Melbourne, Australia, July 13 — 17, 1998, Program Committee
- Future Directions in High Performance Computation, Fifth PDC Symposium, Stockholm, Sweden, December 18 — 19, 1997, 1997 Organizing and Program Committees
- The Swedish Council for High Performance Computing Summer School, Stockholm, Sweden, August 1997, Organizing and Program Committees
- High Performance Computing Workshop, Stockholm, Sweden, June 18 — 19, 1997, Organizing and Program Committees
- Fifth IEEE International Conference on Massively Parallel Processing Using Optical Interconnections, Las Vegas, NV, June 15 — 17, 1998, General Chair
- Mini-Conference on Supercomputer/CFD Applications in the Automotive Industry, Florence, Italy, June 16 – 19, 1997, Program Committee
- Fast Parallel Orthogonal Transforms: Theory, Implementation and Applications, 8th SIAM Conference on Parallel Processing for Scientific Computation, Minneapolis, MN, March 14 – 17, 1997, Mini-symposium Organizer
- Generating Efficient Parallel Scientific Code from High–Level Descriptions, 8th SIAM Conference on Parallel Processing for Scientific Computation, Minneapolis, MN, March 14 – 17, 1997, Mini-symposium Organizer
- Software for Parallel Computing, Fourth PDC Symposium, Stockholm, Sweden, December 16 — 17, 1996, Organizing and Program Committees
- IEEE Workshop on Communication and Architectural Support for Network–based Parallel Computing (CANPC), San Antonio, TX, February 1 — 2, 1997, Program Committee
- The Swedish Council for High Performance Computing Summer School, Stockholm, Sweden, August 1996, Organizing and Program Committees
- Third IEEE International Conference on Massively Parallel Processing Using Optical Interconnections, Maui, Hawaii, October 27 — 29, 1996, Program Committee
- The 1996 IEEE International Conference on Parallel Processing, August 12 — 16, 1996, Program Committee
- Second IEEE International Conference on Massively Parallel Processing Using Optical Interconnections, San Antonio, TX, October 23 — 24, 1995, Program Committee
- Fifth ACM Symposium on Principles and Practice of Parallel Programming, PPoPP 95, Santa Barbara, CA, July 19 — 21, 1995, Program Committee
- Ninth IEEE International Parallel Processing Symposium, Santa Barbara, CA, April 1995, Program Committee
- Eighth IEEE International Parallel Processing Symposium, Cancun, Mexico, April 1994, Program Committee
- First International Workshop on Parallel Processing Using Optical Interconnect, Cancun, Mexico, April, 1994, Program Committee
- 7th IMACS International Conference on Computer Methods for Partial Differential Equations, Rutgers University, New Brunswick, NJ, June 22 — 24, 1992, Organizing Committee
- Scalable High Performance Computing Conference, April 26 — 29, 1992, Program CommitteeSixth IEEE International Parallel Processing Symposium, March 23 — 26, 1992, Program Committee
- Third ACM Symposium on Parallel Algorithms and Architectures (SPAA), Hilton Head, SC, July 21 — 24, 1991, Program Committee
- International Conference on Industrial and Applied Mathematics, ICIAM 91, Washington D.C., July 8 — 12, Mini-symposia Organizer
- Workshop on Communication and I/O Libraries, Symposium on Scalable Libraries, Oak Ridge National Laboratories, Oak Ridge, TN, September 5 — 7, 1990, Chair
- Very Large Scale Computations in the 21st Century, VLSC21, Cape Cod, MA, September 3 — 5, 1991, Organizing Committee
- Large Scale Scientific Computation and Linear Algebra on Data Parallel Architectures, Householder Symposium XI, Tyl\”osand, Sweden, June 1990, Mini-symposia Organizer
- The 1990 Conference on Distributed Memory Architectures,
Charleston S.C., April 1990, Organizing Committee - Massively Parallel Computation, SIAM Conference on Parallel Processing for Scientific Computing, Chicago, IL., December 1989, Session Organizer
- Third ACM International Conference on Supercomputing, Crete, Greece, July 1989, Program Committee
- Massively Parallel Architectures, The 1987 National Computer Conference, Chicago, IL, Session Organizer
- International Symposium on Trends in High Performance Computation in Science and Engineering, The Academy of Engineering Sciences, Stockholm, and Uppsala University, 1986, Chair, Organizing Committee
- The Third Caltech Conference on VLSI, Program Committee
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- JEDEC
- JEDEC Announces Publication of the SPD5118 Hub and Serial Presence Detect Device and the DDR5 SPD Contents Specifications November 10, 2022
- CXL Consortium and JEDEC Sign MOU Agreement to Advance DRAM and Persistent Memory Technology August 23, 2022
- JEDEC Updates Universal Flash Storage (UFS) and Supporting Memory Interface Standard August 17, 2022
- JEDEC to Host In-Person Memory Forum and DDR5 Workshop April 21, 2022
- JEDEC Publishes HBM3 Update to High Bandwidth Memory (HBM) Standard January 27, 2022
- HPC Wire
- IDC
- NSF Funding
- Dear Colleague Letter: Changes to the CyberTraining solicitation
- Dear Colleague Letter: Supporting Research on Food and Agricultural Challenges Facing Local Communities through the Civic Innovation Challenge
- Major Research Instrumentation (MRI) Program: Instrument Acquisition or Development
- Training-based Workforce Development for Advanced Cyberinfrastructure (CyberTraining)
- NSF Small Business Innovation Research / Small Business Technology Transfer Programs Phase II (SBIR/STTR Phase II)
- NSF Small Business Innovation Research/ Small Business Technology Transfer Program Phase I (SBIR/STTR Phase I)
- Cybersecurity Innovation for Cyberinfrastructure (CICI)
- Frequently Asked Questions (FAQs) regarding the Quantum Sensing Challenges for Transformational Advances in Quantum Systems (QuSeC-TAQS) Solicitation NSF 22-630
- Dear Colleague Letter: Non-Academic Research Internships for Graduate Students in Geothermal Energy Supplemental Funding Opportunity (Geothermal INTERN)
- Research and Mentoring for Postbaccalaureates in Biological Sciences (RaMP)
Dr. Lennart Johnsson 