STAFF

Cathy Chen, Ph.D., Associate Research Scientist, currently works on two NSF-funded studies: STeLLA and ViSTA.

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Annemiek De Haan, Administrative Assistant, builds online courses for the ALFA and ViSTA projects and supports the STeLLA project.

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Ronald Gallimore, Ph.D., Chief Scientist Emeritus, co-founded LLRI with Jim Stigler in 1998.

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Helen Garnier, Ph.D., Chief Analyst, currently works as a consultant on the STeLLA project.

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Karen Givvin, Ph.D., Research Scientist, currently works on three math projects: ALFA, TeKno, and Value Added.  In addition, she is Co-PI on the ViSTA project.

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Gail Gottfried, Ph.D., works with Dr. Jim Stigler and the LLRI staff to design interactive video assignments for undergraduate courses in the developmental sciences, including psychology and education.

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Nicole Kersting, Ph.D., Research Scientist, is the principal investigator for TeKno, an IES-funded project, and the statistician for ALFA.

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Meike Lemmens, M.A., Research Associate, has been part of LLRI since 2001.

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Katie Ngan, Executive Assistant, supports all LLRI projects.

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Jaime Park, Ph.D. (candidate), graduate student currently working on the ALFA and the TeKno project.

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Kathy Roth, Ph.D., Director and Chief Scientist, is the principal investigator for two NSF-funded projects: STeLLA and ViSTA. She is also an Associate Researcher at UCLA.

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Rossella Santagata, Ph.D., Research Scientist and member of the LLRI Research Network.  She is also an Assistant Professor at UC Irvine.

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Bill Saunders, Ph.D., Vice President and General Manager, Learning Teams and School Improvement Programs of Achievement Solutions at Pearson.

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Frank Sotelo, Research Assistant, provides support to LLRI projects.

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James Stigler, Ph.D., is Professor of Psychology at UCLA, Director of the TIMSS video studies, and founder and former CEO of LLRI.

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Belinda Thompson, M.A., Research Associate. 

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