Spectrum Scale Usergroup Committee
Group Chair: TBC

The user group is looking for a new Chair; during this interim OCF Limited will act as custodians on the group. Please continue to direct any enquiries to
chair@gpfsug.org or systems@gpfsug.org
User group liaison: Ulf Troppens

Ulf Troppens is with IBM Spectrum Scale Development and IBM focal for the worldwide Spectrum Scale User Group.
troppens@de.ibm.com – LinkedIn
USA Principal: Kristy Kallback-Rose
Kristy Kallback-Rose manages the storage team at Indiana University in HPC systems. She has over three years experience running Spectrum Scale and before that working with OpenAFS and HPSS.
usa-principal@gpfsug.org – LinkedIn
USA Co-Principal: Bob Oesterlin
Bob Oesterlin works for Nuance Communications as a senior storage engineer for HPC grid. Prior to this Bob worked at IBM and has over 15 years experience with Spectrum Scale. He was is a founding Elder of the OpenAFS group.
usa-co-principal@gpfsug.org – LinkedIn
USA Support: Bill Anderson

Bill works in the HPC Storage group at NCAR and has over 3 years of experience with Spectrum Scale and over 15 years of experience with a variety of other storage systems (e.g., HPSS, Spectrum Archive).
Australia/Pacific: Chris Schlipalius
Chris Schlipalius manages the data storage team at the Pawsey Supercomputing Centre in Perth Western Australia.
This team manages GPFS and HSM (DMF) services.
He has over 7 years working with GPFS and DDN Storage, and over 20 years working with Enterprise Servers and Storage Infrastructure including Cisco UCS and EMC Isilon and VNX.
Systems Support: Laurence Horrocks-Barlow

Laurence is the Technical Director for OCF Limited with over 13 years experience working with GPFS based technologies including GNR (ESS/DSS/GSS) variations. He is responsible for OCF’s research and development activities including its technology portfolio.
Laurence supports the systems and services that run the GPFS Usergroup.