
Pietro PeronaResearcher
Amazon Web Services
Amazon Fellow
via Amazon Web Services
Researcher
Principal Applied Scientist at Amazon Web Services
Haffner co-authored the landmark 1998 paper that demonstrated convolutional neural networks in a practical system for reading handwritten checks. The work helped establish the architecture that later transformed computer vision. He also co-created DjVu, a format for compressing scanned documents.
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Amazon Web ServicesWork and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Last editorial review: August 8, 2026