Geoff Counihan

Senior MLE with 8 years shipping production ML. Recent focus: LLM pipelines (Claude, Bedrock, DSPy), synthetic data generation, and NLP infrastructure at scale. Technical lead who codes.

Role
Senior Machine Learning Engineer at Mimecast
Location
Boston, MA, US
LinkedIn followers
500 followers
Information TechnologyView LinkedIn profile

About Geoff Counihan

Still get a kick out of building new ideas, deploying them, and seeing how they hold up in the real world. ML engineer at Mimecast — currently focused on automated retraining pipelines, LLM-powered detection explainers (DSPy + Bedrock), and multilingual NER systems processing millions of emails weekly. On the side: algorithmic trading with AI-in-the-loop and generative art via pen plotter.

Experience

  1. Senior Machine Learning Engineer

    Mimecast

    Nov 2023 — Present · Lexington, MA, US

    ML engineer at Mimecast building and expanding ML-powered features into products. I work across the stack — NER extraction models, LLM-based labeling pipelines (Claude), automated retraining (DVC/MLFlow/SageMaker), and a GenAI explanation service using DSPy. Models run in 7 languages and process millions of emails weekly. Also gave an internal talk on Cursor/GenAI dev patterns to engineering dept and guide junior colleagues on ML design.

Education

  • Northeastern University

    BE, Electrical Engineering, Minor Biomedical Engineering

    2006 — 2011

Skills

  • Data Analysis
  • Medical Devices
  • R&D
  • Testing
  • Technical Support
  • Analysis
  • Windows
  • Integration
  • Software Documentation
  • Microsoft Sql Server
  • Matlab
  • Visual Basic
  • Healthcare Information Technology
  • Labview
  • Troubleshooting
  • Visio
  • Microsoft Office
  • Medical Imaging
  • Six Sigma
  • Databases
  • Biomedical Engineering
  • Hl7
  • Ehr
  • Emr
  • Quality Assurance
  • Healthcare
  • Hospitals
  • Engineering
  • Management
  • Data
  • Machine Learning
  • Python
  • Lin
  • Git
  • Data Scie
  • C+

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Geoff Counihan — Senior Machine Learning Engineer at Mimecast in Boston, MA, US | Unifers