Skip to content

Joanna Abaroa-Ellison

Criminal Justice Manager, Policing

Joanna is responsible for identifying, developing, and managing criminal justice grants with a focus on opportunities for police reform. With policy and data experience in various parts of the criminal justice system, including policing, courts, and corrections she is passionate about reducing harm and racial disparities among those impacted by law enforcement and the criminal justice system.

Before joining Arnold Ventures, Joanna served as a Policy Specialist at the Crime and Justice Institute. She was responsible for providing technical assistance to law enforcement agencies implementing policy, training, operational changes, conducted data analysis and research in the field of police reform, and supported statewide policy efforts aiming to reduce prison populations.

Prior to her time at the Crime and Justice Institute, Joanna served as the Data Integration Specialist and Research Analyst for the Middlesex Sheriff’s Office located in Massachusetts. In this role, she was able to extract, analyze, and visualize data as well as build capacity for implementing data-driven practices and policies.

Joanna holds a bachelor’s degree in criminology from the University of Pennsylvania and a master’s degree in social work from Boston College. Outside of work, she loves to knit and spend time with her husband and son.

Meet the Team

Criminal Justice

Headshot of Crystal Banks
Headshot of Virginia Bersch
Headshot of Destiny Carter
Headshot of Alyson Clements
Headshot of Julia Durnan
Headshot of Ezekiel Edwards
Headshot of Jocelyn Fontaine
Headshot of Dina Grove
Headshot of Thomas Hanna
Headshot of Lauren Hardy
Headshot of Dylan Hayre
Headshot of Rasulan Inayat-Khan
Headshot of Joshua Jackson
Headshot of Juliene James
Headshot of Nadege Joseph
Headshot of Walter Katz
Headshot of Cybele Kotonias
Headshot of Marc Krupanski
Headshot of Alexius Marcano
Headshot of Randall McNeil
Headshot of Carlton Miller
Headshot of Matthew Mizel
Headshot of Linda Phiri
Headshot of Anita Ravishankar
Headshot of Rebecca Silber
Headshot of Jordan Simpson
Headshot of Golnar Teimouri
Headshot of Jasmine Tran
Headshot of Asheley Van Ness
Headshot of Carson Whitelemons
Headshot of James Williams
Headshot of Dina Xie


Arnold Ventures funds projects to understand problems and identify policy solutions.