The Human Rights Data Analysis Group is composed of a diverse group of board members, full-time staff, and consultants. Employing a multidisciplinary approach, we work with experts in the fields of computer science, software development, mathematical and applied statistics, and demography.


Megan Price, PhD

Executive Director
Designs strategies and methods for statistical analysis of human rights data for projects in a variety of locations including Guatemala, Colombia, and Syria.

Patrick Ball, PhD

Director of Research
More than thirty years of quantitative analysis for truth commissions, non-governmental organizations, international criminal tribunals, and United Nations missions.

Tarak Shah

Data Scientist
As HRDAG's data scientist, Tarak cleans, processes and builds models from data in order to understand evidence of human rights abuses.

Suzanne Nathans

Operations Coordinator
More than 25 years of experience in non-profit administration. The operations hub for HRDAG, supporting Megan and the rest of the team from the San Francisco office.

Michelle Dukich

Data Processing & Record Linkage
Michelle is HRDAG's record linkage expert responsible for data cleaning, canonicalization, and matching.

Bailey Passmore

Data Scientist
Bailey began as a data scientist with HRDAG in 2022.

Advisory Board

As a nonprofit organization, our Advisory Board serves as our governing body. This board helps us to make decisions, keeps us on track with our mission and goals, and oversees the organization in legal and logistical matters.

Alex Hanna

Alex brings to HRDAG expertise in computational technologies and how they exacerbate inequality.

Elizabeth Eagen

Elizabeth brings leadership experience to HRDAG, with knowledge of emergent technologies in evidence and advocacy.

Julie Broome

Julie brings to HRDAG executive experience from Ariadne, Sigrid Rausing Trust and CEELI Institute, among others.

Naomi Roht-Arriaza

Naomi brings to HRDAG expertise in transitional justice, reparations and international criminal law.

Paul Wesson

Paul brings to HRDAG expertise in population size estimation.
William Isaac, 2020

William Isaac

William brings expertise in governance and fairness in artificial intelligence.

Development and Outreach Consultants

Christine Grillo

Directs the organization’s message through a variety of online outlets and monitors the social media landscape around HRDAG.

David Peters

Consulting Designer
David advocates the use of design to advance positive social change.

Rachel Weintraub

Strategic Development Consultant
Rachel helps HRDAG structure and strengthen its major donor fundraising and board development efforts.


Alanna Flores

Alanna joined HRDAG as a Data Science Fellow from March through August, 2024.

Amelia Hoover Green

Amelia is an associate professor in the Department of History and Politics at Drexel University.

Anita Gohdes

Anita is a professor of International and Cyber Security at the Hertie School in Berlin.

Maria Gargiulo

Maria interned with HRDAG in 2018 and has worked as an HRDAG statistician since 2020.

Paula Amado

Paula joined HRDAG as a Research Scholar for Winter 2022-2023.

Sam Zhang

Sam will be a Data Science & Human Rights Fellow in the fall of 2022.

Valentina Rozo Ángel

Valentina was the 2019 HRDAG Visiting Analyst and returned as a consultant in 2022.

Vernard Martin

Vernard supports HRDAG as a systems administrator.

Colleagues and Advisors

Agrima Bahl

Agrima is a Computer Engineer and consultant at HRDAG.

Andi Dixon

Andi’s work considers the use of data as evidence in the public policymaking process.

Ann Harrison

Senior Science Writer
Ann documents HRDAG projects, some of which will appear in a forthcoming book.

Beatriz Vejarano

Field Consultant
Beatriz has consulted with HRDAG in Colombia since 2006.

Beka Steorts

Beka uses advanced data-analysis techniques to arrive at definitive casualty counts.

Bing Wang

Bing was a Visiting Data Science Student in 2019-2020.

Camille Fassett

Camille was the 2019 HRDAG Data Science Fellow.

Christopher Dukich

Research Assistant
Chris has worked on projects in Kosovo, Guatemala, El Salvador, Colombia and Syria at HRDAG.

Claudia Carolina López Taks

Field Consultant
Carolina does quantitative research at the AHPN.
Daniel Guzman statistical consultant

Daniel Guzmán

Daniel has provided expert statistical testimony in successful trials against war criminals in Guatemala.

Erin Lipman

Erin interned with HRDAG in the summer of 2018.

Gary Shapiro

Gary has been involved as Founder, Chair, Co-Chair, and Past Chair of Statistics Without Borders.

Gus Brocchini

Junior Data Scientist, On-Boarding Manager
Gus was a Junior Data Scientist and On-Boarding Manager.

James Johndrow

Statistical Consultant
James has an active research program in Bayesian methods for analysis of contingency tables.

Jeff Klingner

Jeff designed and wrote a machine-learning software package for de-duplicating and merging lists.

Jule Krüger

Jule helped to complete a statistical expert review of the Kosovo Memory Book.

Kristen Cibelli Hibben

Kristen participated in data projects on Chad and Sierra Leone and co-authored the HRDAG report on Chad.

Kristian Lum, PhD

Lead Statistician
Kristian furthers HRDAG's statistical methodology, population estimation.

Larry Barrett

Human Rights & Data Science Intern
Larry was the 2021-2022 Human Rights and Data Science Intern.

Laurel Eckhouse

Laurel is a Staff Data Scientist at Code for America.

Miguel Cruz

Miguel established an offshore backup system for vulnerable Guatemalan human rights NGOs.

MiKayla Green

MiKayla was a Data Science & Human Rights Intern in the summer of 2022.

Miki Takacs

Miki has designed and developed systems that search, retrieve and structure human rights information.

Mimi Onuoha

Artist in residence
Mimi collaborated at HRDAG to explore the dynamics of data collection in order to inform her art.

Rafe Kaplan

Rafe joined forces with HRDAG at AAAS in Washington, D.C.

Robin Mejia

Robin analyzed changes in death reporting over time during ongoing conflict.

Romesh Silva

Romesh has co-authored reports on large-scale human rights violations in conflict zones.

Sajel Galhotra

Sajel was a Data Science & Human Rights Intern in the summer of 2022.

Samuel Sinyangwe

A policy analyst and data scientist who works with communities of color to fight systemic racism.

Scott Weikart, 1951—2023

Scott worked with HRDAG as a computer engineering consultant.

Shemika Lamare

Shemika was the Fall 2018 Data Science Fellow at HRDAG.

Shira Mitchell

Shira studies the (un)fairness of algorithms used in the US criminal justice system.

Sierra Wells

Sierra was a Data Science & Human Rights Intern in the summer of 2022.

Tamy Guberek

Tamy led HRDAG’s on-the-ground examination of Colombian data about conflict-related sexual violence.

Trina Reynolds-Tyler

Trina was the 2019 HRDAG Human Rights Intern.

Emeritus Advisors

Audrey Chapman

Audrey is Professor of Community Medicine and Healthcare and the Healey Chair in Medical Humanities and Bioethics, University of Connecticut.

David Banks

David is a Professor of Statistical Science at Duke University.

Frank Schulenburg

Frank is the executive director at the Wiki Education Foundation.

Fritz Scheuren

Fritz is Senior Fellow and Vice President of National Opinion Research Center (NORC), Center for Excellence in Survey Research, University of Chicago.

Jennifer Hoeting

Jennifer is a professor in the Department of Statistics at Colorado State University.

Kim Keller

Kim is Executive Director of the Keller Foundation.

Louis-Paul Rivest

Louis-Paul is a professor of Mathematics and Statistics at Université Laval.

Margot Gerritsen

Margot brings to HRDAG expertise in computer simulation and mathematical analysis of engineering processes.

Michael Bear Kleinman

Michael pondered difficult questions with HRDAG for six years as an Advisory Board member.

Nicholas Jewell

Nicholas is a professor of Biostatistics & Statistics at University of California, Berkeley.

Our work has been used by truth commissions, international criminal tribunals, and non-governmental human rights organizations. We have worked with partners on projects on five continents.