Steve Pieper is a seasoned software engineer and entrepreneur with 20 years of experience building medical imaging and visualization systems, currently co-founder of EBATINCA and long-time contributor to Kitware's VTK Architecture Review Board. He has founded and led engineering teams at startups (Medical Media Systems, Isomics) and collaborates with leading academic hospitals and institutions including Brigham and Women's Hospital, MGH, and the University of Iowa. Steve's open-source work spans core imaging toolkits—contributions to VMTK, 3D Slicer, CTK and Cornerstone3D show deep expertise in VTK/ITK modernization, DICOM processing, and both front- and back-end integration. He pairs practical code maintenance (updating deprecated APIs, fixing install docs and examples) with feature work that improves clinical tooling and developer experience. Based in Cambridge, MA, he blends entrepreneurial drive with academic collaboration, often surfacing subtle interoperability fixes that keep complex imaging pipelines working across evolving libraries. His background includes studies at UC Berkeley and MIT, reflecting long-standing ties to rigorous CS and applied research.
20 years of coding experience
9 years of employment as a software developer
BA, Computer Science, BA, Computer Science at University of California, Berkeley
Multi-platform, free open source software for visualization and image computing.
Role in this project:
Back-end Developer
Contributions:3883 commits, 54 PRs, 1 push in 14 years 2 months
Contributions summary:Steve made various enhancements and fixed issues within the Slicer project, focusing on the DICOM module. The contributions primarily involved refactoring, code reorganization, and debugging existing code to ensure the correct functionality and usability of the module. Furthermore, the user implemented new features, such as adding a toolbar, handling the correct extraction of filenames and improved performance by optimizing the pixel-by-pixel operation.
Cornerstone is a set of JavaScript libraries that can be used to build web-based medical imaging applications. It provides a framework to build radiology applications such as the OHIF Viewer.
Role in this project:
Full-stack Developer
Contributions:322 commits, 4 comments, 2 issues in 6 years 4 months
Contributions summary:Steve primarily contributed to the development of functionality related to DICOM file processing within the cornerstonejs/cornerstone3d repository. The commits showcase the user adding example DICOM read/write code, including the addition of code for an anonymizer and the ability to convert the data. Furthermore, the user incorporated new methods for naturalizing and denaturalizing data sets, and created a working example for generating converted multiframe DICOM data, showcasing the user's involvement with core functionalities of the library.
javascriptweb-basedcornerstoneimagingohif
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