About

Karim Souidi, M.Sc. Econometrics

Statistician and methodologist. Twelve years of applied quantitative work in the justice sector, eleven years teaching statistics and machine learning, and one habit that matters most in litigation: saying exactly what the data can and cannot support.

Experience

Senior Methodologist — Canadian justice ministry2025 – present. Sentencing-disparity research, court-delay monitoring and caseload forecasting.

Founder — NorthLaw.ai2025 – present. Statistical reports for counsel; validated models of court outcomes.

Legal Aid Ontario2013 – 2024. Statistician, then Senior Consultant: eligibility modelling, demand forecasting, program evaluation, executive briefings.

EarlierStatistics Canada and other federal departments: income-disparity measures, program statistics.

Credentials

  • M.Sc. Econometrics and Mathematical Economics; doctoral studies in Quantitative Methods
  • Fulbright Scholar, University of California, Berkeley
  • DASCA Senior Data Scientist
  • Instructor in statistics, machine learning and data science at McMaster University, Sheridan College, Toronto Metropolitan University, University Canada West and the University of Niagara Falls Canada
  • Fluent in English, French and Arabic

Research

  • Souidi, K., & Lutgen-Nieves, L. (2026). Beyond a single coefficient: Racial disparity across scale, offense, and place in federal sentencing. Under review, Journal of Criminal Justice. First author.
  • Souidi, K. (2026). Data leakage in deployed predictive models: a three-clock taxonomy for auditing temporal leakage. Working paper.

Expert testimony

No prior deposition or trial testimony. Available as a consulting or testifying expert in U.S. civil matters: employment and wrongful termination, discrimination and disparate impact, class and collective actions, economic damages, and rebuttal of opposing statistical evidence. Federal matters preferred; state matters by arrangement. Fees are fixed or hourly and never contingent on outcome.

Request the expert CV and fee schedule