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Updated Sep 18, 2023.

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Ellis Valentiner

Contact Info

github.com/ellisvalentiner linkedin/in/ellisvalentiner

Summary

Accomplished Staff Data Scientist and Team Lead with 10 years of experience building data-based solutions at early-stage startups. Highly skilled in developing machine learning models and cloud-native services.

Education

Carnegie Mellon University

Master’s in Statistical Practice

Pittsburgh, PA

2013 - 2012

University of Minnesota Morris

B.A. in Psychology and Liberal Arts for the Human Services

Morris, MN

2012 - 2007

Experience

Staff Data Scientist/Team Lead

Virtual Facility

Remote

present - Apr. 2022

Senior Machine Learning Engineer/Team Lead

Groundspeed Analytics

Ann Arbor, MI

Apr. 2022 - Nov. 2019

  • Lead Machine Learning Engineer at a pre-IPO insurtech startup that extracts information from commercial insurance documents and delivers clean, normalized, useful representations.
  • Manage a team of 4 machine learning engineers through one-on-ones, feedback, coaching, and delegation.
  • Responsible for production machine learning infrastructure deployed using GitOps methodology with Terraform, Argo CD, Emissary-ingress, and Seldon Core.
  • Develop document classification, layout analysis, sequence classification, and information extraction models for end-to-end automated processing.

Senior Data Scientist

Powerley

Royal Oak, MI

Nov. 2019 - June 2016

  • Early data scientist for a pre-IPO, IoT startup building a home energy management platform.
  • Reduced user energy consumption by engineering data-based solutions to deliver personalized insights.
  • Identified energy use for major appliances by developing disaggregation algorithms in R and Python.
  • Improved query performance by developing an ETL job using Apache Spark to repartition 15.2TB of data.

Data Scientist/Senior Data Scientist

FarmLogs

Ann Arbor, MI

June 2016 - Nov. 2014

  • Early data scientist at a pre-IPO, YC W12 agtech startup developing software to improve farm operations.
  • Improved rainfall monitoring by identifying high-resolution data sources and implementing an ingest pipeline.
  • Worked closely with product and backend engineering to develop decision support tools to improve crop management practices based on machine learning, computer vision, and statistical modeling.

Statistician, Intermediate

University of Michigan

Ann Arbor, MI

Nov. 2014 - May 2013

  • Statistician for a research group studying effects of the built environment on child and maternal health outcomes.
  • Published 3 peer-reviewed articles of health data with an environmental and geographic focus using unsupervised learning (clustering) and multi-level spatial regression models.

Skills