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 IU Trident Indiana University

UITS Research Technologies

Cyberinfrastructure enabling research and creative activities

SGG Team

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Marlon Pierce
Assistant Director, Science Gateways Group,Research Technologies
Ph.D. Florida State University (Physics), 1998
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Pierce is the Assistant Director for the Science Gateways Group in Research Technologies Applications at Indiana University.  Pierce received his Ph.D. Florida State University (Physics) in 1998 in computational condensed matter physics.  His current research and development work focuses on computational sciences with an emphasis on Grid computing and computational Web portals. Prior to forming the Science Gateway Group, Pierce served as assistant director for the Community Grids Laboratory at Indiana University's Pervasive Technologies Institute.  Pierce supervises the research activities of software engineering staff and Ph.D. students, and serves as principal investigator on multiple federally-funded research projects. Pierce leads research efforts in the following areas: the application of service-oriented architectures and real-time streaming techniques to geographical information systems and sensor networks; the development of open source science Web portal software for accessing Grid computing and data resources; and Grid-based distributed computing applications in computational chemistry and material science, chemical informatics, and geophysics.

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Suresh Marru
Principal Software Architect, Science Gateways Group, Research Technologies
M. S. University of Oklahoma (Electrical and Computer Engineering)
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Marru leads the service oriented architectures and scientific workflow efforts. He is a Co-Principal Investigator on the NSF funded Open Gateway Computing Environments and its predecessor Open Grid Computing Environments.  Through his multiple roles, Marru was instrumental in success of the Linked Environment for Atmospheric Discovery (LEAD) project. He was a Co-Principal Investigator on the LEAD Project leading the Portal & Orchestration thrust group. Marru coordinates the TeraGrid Grid Infrastructure Group’s science gateways program at Indiana University and has been working very closely with GridChem, UltraScan, BioVLAB and OLAS gateway projects. 

Suresh received a B.E. in Electrical and Electronics Engineering from Osmania University, India and an M.S in Electrical and Computer Engineering from University of Oklahoma.
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Yu (Marie) Ma
Research Associate, Science Gateways Group, Research Technologies
Ph.D. Indiana University (Computer Science), 2006

Ma received her Ph.D. in Computer Science from Indiana University in 2006, and joined Research Technologies Applications division since then. Her research focuses on data and metadata management framework for scientific applications and distributed instruments in diverse areas, computational cyberinfrastructure for natural disaster management, web portals and large scale data processing in cloud computing environment.

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Jun Wang
Software Engineer/System Analyst, Science Gateways Group, Research Technologies
M. S., Geomorphology, Beijing University, Department of Geography, China
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Jun Wang is the GIS specialist in Science Gateway Group. He received M.S. in Geomorphology from Beijing University, China in 1999. His expertise includes 3D visualization, Web-GIS system, and large-scale geospatial data processing. He is currently working on QuakeSim ( and E-DECIDER ( project. In the past, he has worked on PolarGrid project ( lead by Dr. Fox.

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Chathuri Wimalasena
Lead Analyst Programmer, Science Gateways Group, Research Technologies
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Chathuri is an Apache committer and PMC member of Apache Airavata project. She is a Lead Analyst Programmer at Science Gateways Group, Research Technologies of Indiana University. She is working on a range of projects delivering Web-enabled computing capabilities to scientific researchers. Along with her research team she develops science gateways and gateway middle-ware and provides assistance in building gateways for scientific and scholarly communities. Prior to joining Indiana University, she worked as a Project Lead and Associate Technical Lead for WSO2 Inc.

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Sudhakar Pamidighantam
Senior Scientist, Science Gateways Group, Research Technologies
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Dr. Pamidighantam is a senior member of the Science Gateways Group in Research Technologies division at Indiana University. Dr. Pamidighantam had been a senior research scientist at NCSA at the University of Illinois at Urbana-Champaign supporting computational chemistry and science gateways development in support of molecular sciences faculty. He serves XSEDE organization as an ECSS consultant and conducts research in computational chemistry.

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Supun Nakandala
Programmer Analyst, Science Gateways Group, Research Technologies

Supun is an Apache committer and PMC member for Apache Airavata project. He is a Programmer Analyst at Science Gateways Group, Research Technologies of Indiana University.

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Eroma Abeysinghe
Business Analyst, Science Gateways Group, Research Technologies

Eroma is the Business/Quality Assurance Analyst and also plays the role of Project Manager. She is working on several projects within the team in different capacities ranging from testing, documentation, workshop/tutorial preparations, gathering/translating/simplifying gateway requirements, planning and monitoring etc.… Eroma is an Apache committer of Apache Airavata Project. Airavata is a software toolkit which builds and supports science gateway middleware.

Prior to joining Science Gateways Group Eroma held Assistant Manager position as a Business Analyst at Dialog Axiata PLC.

SGG Group Alumni

  • Lahiru Gunathilake
  • Sangmi Lee Pallickara
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  • Archit Kulshrestha
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  • Joshua Rosen
  • Patanachai Tangchaisin
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  • Ye Fan
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  • Chathura Herath
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  • Shahani Markus Weerawarana
  • Ankur Goya
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  • Viknes Balasubramanee
  • Heshan Suriyaarachchi
  • Amila Jayasekara

Come Join Us...

We are constantly looking for individuals who enjoy developing distributed computing software and applying it to real problems in scientific research.

So if you are asking yourself “where should I start from?” It’s Apache Airavata mailing list. Join the list and start contributing.  

If you are talented, energetic and engaged, positions can be made available ranging from student interns to senior research staff and visiting scientists.