All Press Releases for March 26, 2024

Marquis Who's Who Honors Joefon Jann with Inclusion in Who's Who in the World

Ms. Joefon Jann is lauded for her expertise in computer science.

Ms. Jann has garnered approximately 40 patents, including the AHAFS (Autonomic Health Adviser FileSystem) which is still in use today.

    YORKTOWN HEIGHTS, NY, March 26, 2024 /24-7PressRelease/ -- Marquis Who's Who, the world's premier publisher of biographical profiles, is proud to honor Joefon Jann with inclusion in Who's Who in the World. An accomplished listee, Ms. Jann celebrates many years' experience in her professional network, and has been noted for achievements, leadership qualities, and the credentials and successes she has accrued in her field. As in all Marquis Who's Who biographical volumes, individuals profiled are selected on the basis of current reference value. Factors such as position, noteworthy accomplishments, visibility, and prominence in a field are all taken into account during the selection process.

Ms. Jann is recognized for her illustrious tenure as a computer scientist and distinguished engineer with International Business Machines Corporation (IBM) at the Thomas J. Watson Research Center in Yorktown Heights, New York, since 1989. Over the past 35 years with the organization, she has made tremendous contributions to many generations of the IBM Unix operating system and POWER systems. Besides being the only systems person of the Deep Blue supercomputer that famously beat the human chess champion, Gary Kasparov, in 1997, she has been lauded for many contributions to the Reliability, Security, and Performance for the POWER Enterprise Commercial computers, as well as HPC (High Performance Computing) supercomputers that evolved into the Summit and Sierra supercomputers we have today. Her fundamental contributions include: 1) DLPAR (Dynamic Logical Partitioning), which is featured in the Encyclopedia of Parallel Computing, and is still widely used in POWER systems worldwide today, 2) She co-invented the home-node migration for distributed shared-memory systems, 3) She was the main author of the "Jann Model" for modeling Massively Parallel Workloads, and 4) She contributed to graphBLAS for speeding up social networks. Ms. Jann now focuses on quantum-safety and algorithms to prevent hackers from cracking security holes by using the rapid advancements of Quantum Computers.

Notably, Ms. Jann specializes in computer science, mathematics, and systems software for POWER servers and supercomputers, which have been, and continue to be, used successfully for gene, cancer, drug, and pandemic research, and for applications in AI (artificial intelligence) to benefit the health, engineering, weather-forecasting, and the financial industries.

Earlier in her career, Ms. Jann was as an adjunct lecturer in mathematics at Lehman College of the City University of NY, was as a technical staff member for a year of the Network Analysis Corporation that was advisor to AT&T and the ARPANET. She then worked in IBM's headquarters an an APL programmer, then as a Systems Programmer. She then became an IBM Systems Engineer for the banks in the Wall Street area, before joining the IBM Research Division.

Ms. Jann has garnered approximately 40 patents, including the AHAFS (Autonomic Health Adviser FileSystem) which is still in use today, for enabling increased security and improved systems management of the operating system. She has also published numerous papers in scholarly journals in areas of systems software, virtualized environments, flash, and secure environments. She was the invited author of the Foreword for a book titled "AIX Performance." Moreover, as a testament to her expertise, Ms. Jann's published papers and patents have been cited by over 1,250 scientific articles in CiteSeer.

Civically, Ms. Jann co-founded and served as an executive sponsor for a group at IBM, which continues to be influential in helping technical women and East and South-East Asian technologists and scientists to achieve tremendous success in their respective fields.

Ms. Jann received a BA degree with honors from Wellesley College (with MIT-cross registration) in mathematics, minoring in physics. She then received a Master of Arts in mathematics from the City University of New York, a Master of Science in computer science from Columbia University, and later a Micro-MBA degree from IBM.

As part of her continued commitments, Ms. Jann is a Life-time Senior member of the Institute of Electrical and Electronics Engineers and a member of the Association of Computing Machinery.

In light of her extraordinary success, Ms. Jann received four Outstanding Technical Achievement Awards, one Outstanding Innovation Award, and ten Division Awards from IBM. She also received several Best Paper Awards from technical conferences, and other accolades during her career. Ms. Jann attributes her success as a pioneering woman in her field to: working with passion, wisdom, compassion, and perseverance. See for more details.

About Marquis Who's Who®:
Since 1899, when A. N. Marquis printed the First Edition of Who's Who in America®, Marquis Who's Who® has chronicled the lives of the most accomplished individuals and innovators from every significant field of endeavor, including politics, business, medicine, law, education, art, religion and entertainment. Marquis celebrates its 125th anniversary in 2023, and Who's Who in America® remains an essential biographical source for thousands of researchers, journalists, librarians and executive search firms around the world. Marquis® publications may be visited at the official Marquis Who's Who® website at

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