"We are what we repeatedly do, excellence then is not an act, but a habit.


SDSC Personnel

Ilkay Altintas, Ph.D., Director

Dr. Ilkay Altintas is the Director for the Workflows for Data Science (WorDS) Center of Excellence at the San Diego Supercomputer Center, UCSD. Since joining SDSC in 2001, she has worked on different aspects of scientific workflows as a principal investigator and in other leadership roles across a wide range of cross-disciplinary NSF, NIH, DOE and Moore Foundation projects. She is a co-initiator of and an active contributor to the open-source Kepler Scientific Workflow System, and the co-author of publications related to eScience at the intersection of scientific workflows, provenance, distributed computing, bioinformatics, observatory systems, conceptual data querying, and software modeling. Ilkay received a Ph.D. degree from the University of Amsterdam, the Netherlands.

Daniel Crawl, Ph.D., Associate Director

Dr. Daniel Crawl is the WorDS Associate Director at the San Diego Supercomputer Center, UCSD. He is the lead architect for the overall integration of distributed data parallel (DDP) execution patterns and the Kepler Scientific Workflow System. He conducts research and development of execution patterns, bioActors, and distributed directors. Daniel received a Ph.D. in Computer Science from the University of Colorado.

Shweta Purawat, New User Applications Specialist

Shweta Purawat is New-User Applications Specialist for the WorDS Center of Excellence at the San Diego Supercomputer Center, UCSD. She develops compute and data intensive workflows and actors for distributed platforms that involve cloud and grid environments. She is excited about Cloud Computing, Data Science Workflows, Scientific Workflow design, Large Scale Data Intensive Computing, and Predictive Analytics. Her interest lies in designing core technology tools and applications, that act as catalyst for innovation. She holds M. Tech degree from IIT Bombay, India. Prior to joining SDSC, Shweta was a Design Engineer at Intel Corporation.

Mai Nguyen, Ph.D., Senior Data Scientist

Dr. Mai Nguyen is a data scientist at the San Diego Supercomputer Center, UCSD.  She has industry experience in data mining, business intelligence, data warehousing, and application design and development.  She has worked in several application areas, including spacecraft autonomy, target recognition, remote sensing, information retrieval, and predictive analytics.  Her research interests are in the application of data mining techniques to interdisciplinary problems.  Her work at SDSC also includes developing workflows for data mining projects.  Mai has M.S. and Ph.D. degrees in Computer Science, with emphasis on artificial intelligence, from UCSD.

Kyle Marcus, Software Engineer / Data Science Research Specialist

Kyle graduated from the Department of Computer Science at the University at Buffalo with an MS degree. His research interests are distributed computing, large scale data analytics, and scientific workflows.

Jessica Block, Geospatial Research Specialist

Jessica Block is a Research Analyst with Calit2 at UCSD. She is an interdisciplinary geologist and urban ecologist specializing in the use of sensor networks, remote sensing, and geospatial visualization tools for disaster response, natural resource management, policy decision-making, and sustainability. She is an expert in the management and fusion of datasets from disparate sources, and uses visualization technology as the bridge between university research and the needs of community members. She has a BS in geology from UCLA, and a MS in geology and urban ecology from Arizona State University. Her research in environmental sustainability has covered regions in the American West, Southeast Australia, Peru, and Mexico where growing populations depend on increasingly unstable resources in the face of climate change.

Susan Rathbun, Business Development Manager

Susan Rathbun is the WorDS Business Development Manager at the San Diego Supercomputer Center (SDSC) at UC San Diego. Since joining SDSC in 2000, her experience spans the support of senior management, strategic initiatives, large scale and special events, industry relations, business development and communications. In addition to WorDS Susan is the Business Development Manager for SDSC's Industry Partners Program (IPP), SDSC's Predictive Analytics Center of Excellence (PACE) as well as SDSC's External Relations Liaison.


Cindy Wong, Administrative support


Group Members


  • Ryan Almodovar
  • Ankush Agrawal
  • Sherman Cheung
  • Kristiyan Dzhamalov
  • Eric Fakhourian
  • Sahil Jain
  • David Justo
  • Daniel Lee
  • James Macindoe
  • Tahereh Masoumi
  • Aisa Na'im
  • Elle Nguyen-Khoa
  • Hayden Razzell
  • Matthew Schwegler
  • Saurabh Sharma
  • Hamid Tavakolifard
  • Samson Tse
  • Jiashen Wang
  • Alaen K. Yeung