Role & Background

Alphabetical order

Álvaro Álvarez

Álvaro A. Álvarez is a Systems Engineer with years of experience in data management and REDCap working for international field research. His primary role as a REDCap Specialist is to support various research projects from the school of medicine. He also has skills in project management and content managements systems. His interests are electronic data capture for clinical research and music.

Deepa Balraj

Deepa Balraj is a ETL Engineer on the STRIDE project. She works on the system that extracts, processes and loads electronic health information from Stanford hospitals into the STRIDE system. She is a skilled software professional with 10+ years of experience in software development, vendor management, project management, performance engineering, and application administration, most recently at IBM. Her interests outside work involves classical dance and traveling.

Todd Ferris, MD, MS

Todd Ferris, MD, MS is the Chief Technology Officer at Stanford University School of Medicine. He is a graduate of Stanford's Biomedical Informatics Training Program; his research interests include the security of health information and data repository architectures. He is the security architect and access granting authority for the STRIDE system.


Michael Halaas

Michael Halaas is the Chief Information Office for the Stanford University School of Medicine. Michael currently provides oversight for the Center for Clinical Informatics.


Nhat Hoang, MS

Nhat Hoang is a Research Data Analyst with the consultation services team. He has a Masters in Statistics and a Bachelors in Civil Engineering. His interests include computational statistics, predictive analytics, data visualization, and sports.

Gomathi Krishnan, PhD

Gomathi Krishnan, PhD is the Clinical and Translational Research Informatics Specialist for the Stanford Center for Clinical Informatics. Gomathi joined the Center in early 2008 from the Pediatric Stem Cell Transplant Unit where she was a CRA. Previously she conducted research on single-fiber muscle cell physiology in aging patients at Harvard Medical School.

Jae Lee, MBA

Jae Lee, MBA is the Application Engineer responsible for the client framework development platform. She worked for several years in consulting before moving to software. She has extensive application development and QA experience including both black- and white-box testing and is currently supporting the REDCap user community, offering best practices review and implementing custom feature requests. 

Eileen Loh, MS

Eileen Loh, MS is a Software Engineer who works primarily on the High Risk Infants Follow-up Quality of Care Initiative.  Eileen began her software career at Sun Microsystems, optimizing performance of early versions of java.  She has over ten years of experience analyzing, optimizing and implementing application server and middleware code.  Prior entering the software industry, Eileen worked as a scale-up/manufacturing engineer in the pharmaceutical industry and has a BS in Chemical Engineering.

Sanjay Malunjkar

Sanjay Malunjkar is Senior Technical Lead of the STRIDE project. He leads the team building HL7 message processing systems to populate the clinical data repository that forms the core of the STRIDE system. He is a computer scientist and software professional who had developed applications in financial services, legal, pharmaceutical, retail, telecommunications, marketing, and airline sectors using web services and J2EE before joining the STRIDE project in 2006.

Andrew Martin, PhD

Andrew Martin, PhD is the Principal Informatics Architect for the Center. He has developed and managed informatics platforms for multiple biotech and drug-discovery companies, specializing in complex data mining, analysis and visualization. He received his PhD in bioorganic chemistry with Dr. Peter Schultz at UC-Berkeley studying protein dynamics and in vivo unnatural amino acid incorporation.

Yelena Nazarenko

Yelena Nazarenko is the Informatics Service Lead for the consultation service, providing technical expertise and concierge-style service to researchers seeking assistance with informatics. Her research interests are in Bioinformatics, Genomics, Statistics, and Biomedicine. She is a software developer with over 20 years experience in software engineering, product and project management, software architecture, database design and data analysis. 

Garrick Olson

Garrick is our software architect and primary owner of the overall architecture of STRIDE, CHOIR, and other systems. After studying mathematics and computer science, he built software for banking and corporate finance before joining us in 2007. His research interests include application security, performance, and data visualization.

Teresa Pacht

Teresa Pacht is a Senior Software Developer on the CHOIR project. Prior to joining Research IT she was with Stanford University Libraries for 9 years as a Systems Developer for their "Bench>Press" product, a web-based manuscript tracking and management services application. Teresa is a computer scientist and software professional with extensive system design and development experience across a wide range of applications including publishing, manufacturing, finance and supply chain management.

Tina Seto

Tina Seto is a Senior Clinical Data Engineer and is currently supporting the Oncoshare breast cancer research project, diverse data-intensive investigator-initiated research projects, Stanford's i2b2 implementation and the STRIDE project.  She has a MS in Computer Science from Stanford and previously worked at Oracle and a startup before joining Research IT in 2009.

Randy Strauss, M.S.

Randy returns to Stanford to join the CHOIR team building next-gen learning healthcare systems for national and international deployment. He is an accomplished full-stack software developer with decades of industry experience ranging from client-server word processing systems to modern web application ecosystems.

Irvin Szeto

Irvin Szeto is a Software Developer for the Center.  He has worked within the Internet industry in the Valley for over 12 years.  His interests besides crafting elegant and invisible UX/UI for his users include data mining and visualizations as pertains to his work and areas outside of work such as sports and finance.

David Tom

David Tom is a Senior Systems Engineer on the STRIDE project. He is the lead developer on a variety of customer facing application projects. David is a software developer and joins us from Oracle, where he spent 17 years working on middleware, content management and desktop application products.

Susan C. Weber, PhD

Susan C. Weber, PhD is Director of Informatics Services for the Stanford Center for Clinical Informatics. She has been a member of the STRIDE project team since its inception, and is the principal developer of many of STRIDE's core systems. She has a PhD in Computer Science and 20 years' experience as a professional software developer.


Lee Ann Yasukawa, MS

Lee Ann Yasukawa, MS is the Senior Application Developer affiliated with the Cardiothoracic Surgery Research Database project. Lee Ann was originally a control systems engineer at SLAC, then spent several years as both a server side engineer and an application developer on the Coghead platform.