Note (Summer 2021): I’m recruiting new PhD students for Fall 2021!  Please don’t hesitate to email me if you are an admitted CMU PhD student interested in working with me.

I am: an Associate Professor in the School of Computer Science at Carnegie Mellon University, primarily affiliated with the Institute for Software Research.  My research interests span software engineering and programming languages, and especially in how to construct, maintain, evolve, improve/debug, and assure high-quality software systems. My group of brilliant students and collaborators is called squaresLab. I teach software engineering and program analysis at the undergraduate, masters, and PhD levels and co-direct the REUSE@CMU summer program.

If you’re interested in research in applied program analysis for improving and reasoning about software quality, apply to the CMU PhD in Software Engineering!

For information/advising on the undergraduate minor in SE, contact Michael Hilton.

Relevant trivia: My last name is pronounced “Le-Gwess.”

Misc links of interest:

Slides for our talk at the ICSE 2019 MIP plenary “It Does What You Say, Not What You Mean: Lessons from 10 Years of Program Repair” are available at SlideShare.

Times Higher Ed covers our June 2018 CACM article (at CACM, local PDF) on anonymization effectiveness in double-blind review.

Talk: Fall 2017, O’Reilly’s Velocity NYC, on Automated Program Repair: Video (on Youtube)

Talk: Winter 2017, hosted by the incomparable PLSE group at UW, on Scalable Semantic Code Search for High-Quality Program Repair: Details, video.

Talk: Fall 2016, on Automated Program Repair, at the Papers We Love conference, co-located with StrangeLoopInfo Slides Transcription Video (on Youtube)

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