Alex Holcombe is a Professor of Psychology at the University of Sydney with 14 years of experience focused on cognitive psychology, visual cognition, and open, reproducible science. He co-directs the Centre For Time and has held prestigious roles including an ARC Future Fellowship and editorial positions that helped shape replication and methods in the field. Alex brings hands-on technical contributions to open-source research tools—contributing bug fixes, feature tweaks, and documentation improvements to the widely used PsychoPy library for running psychology and neuroscience experiments. His work blends rigorous experimental science with practical tooling and clear technical writing, improving data integrity and reproducibility in behavioral research. Based in Australia, he is also an associate editor at Meta-Psychology, championing transparent, platinum open-access publishing. A less obvious strength is his sustained cross-role impact spanning research, infrastructure, and scholarly communication, from PhD training at Harvard to shaping global methodological standards.
14 years of coding experience
8 years of employment as a software developer
Doctor of Philosophy - PhD, PSYCHOLOGY, Doctor of Philosophy - PhD, PSYCHOLOGY at Harvard University
B.A., Cognitive Science, Psychology, B.A., Cognitive Science, Psychology at University of Virginia
For running psychology and neuroscience experiments
Role in this project:
Back-end Developer & Technical Writer
Contributions:15 commits, 10 PRs, 8 comments in 10 years 2 months
Contributions summary:Alex primarily contributed to bug fixes and minor feature enhancements within the PsychoPy library. They addressed issues related to color range checking, logging output, and frame interval recording within the visual module. Additionally, the user improved the documentation by clarifying color coordinate systems, explaining documentation build processes, and providing better context for using the experimentHandler. They also fixed a bug in how trial data was saved.
Contributions:99 pushes, 1 branch in 7 years 1 month
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Alex Holcombe - Professor at The University of Sydney