pyjanitor

Creator and core developer. Convenient APIs for data cleaning.

PyMC4

A member of the developer team.

PyMC3

Contributed bug fixes pertaining to the GPU, documentation, and provided a definition of the "mode" for the Weibull distribution.

CuPy

Contributed matrix power API to CuPy.

nxviz

Creator and core developer.

matplotlib

Converted examples in gallery to use pyplot API instead of deprecated pylab API.

Dask and related libraries

Documentation contributions to dask and dask-jobqueue.

Bokeh Plots

Contributed HBar and VBar with the help of the lead developers.