Meet Our Staff


Gino Betts, Acting Director

Biography coming soon

Gráinne Perkins, Assistant Director

Gráinne oversees the strategic and administrational management of investigations conducted by a team of sworn and non-sworn investigators. She is responsible for conducting sensitive and complex investigations relating to complaints involving senior ranking Seattle Police Department personnel and develops the continuous professional training for investigative personnel. Her work ensures standards and ongoing professional development across the OPA team.

Gráinne spent 15 years as an operational police officer and detective investigating serious offenses including homicide and organized crime. Her professional experience ranges from community policing in Ireland to international work with Interpol. Her ethnographic doctoral research involved over 900 hours examining the risk and danger encountered by members of the South African Police Service in their daily routines. Gráinne is an adjunct professor at Seattle University.

Dr. Gráinne Perkins holds a Ph.D. in Criminology from the University of Cape Town, a Masters in Public Administration from Ulster University, a Masters of Criminology from Queen's University Belfast, and a Bachelor of Science (Honours) degree from University College Dublin, Ireland.

Nelson Leese, Interim Assistant Director of Investigations & Legal Affairs

Nelson coordinates and directs the investigative work conducted by OPA. He is responsible for directly supervising two non-sworn Investigations Managers, each of whom leads a team of sworn and non‑sworn investigators. Nelson also manages the Office’s legal matters in coordination with the Seattle City Attorney’s Office and the Seattle Police Department’s Office of Legal Affairs.

Nelson is a seasoned municipal attorney with a background in federal civil rights litigation and juvenile delinquency prosecution.  Nelson joined OPA from the New York City Law Department where he served in both the Special Federal Litigation and Family Court Divisions. As a Senior Counsel in the Special Federal Litigation Division, Nelson represented the City of New York and individual officers in federal civil rights lawsuits.  As an Assistant Corporation Counsel in Brooklyn Family Court, Nelson prosecuted felony and misdemeanor juvenile delinquency cases.

Nelson is a 2013 graduate of Case Western Reserve University School of Law in Cleveland, Ohio.  From 2015 to 2017, Nelson served as a law clerk to the Hon. Arthur I. Harris at the United States Bankruptcy Court for the Northern District of Ohio.

Katie Wieliczkiewicz, Interim Assistant Director of Operations & Trainings

Katie coordinates the administrative and training work conducted by OPA. She is responsible for directly supervising the administrative staff, policy and data staff, project manager and the community engagement team for OPA, all civilian positions. In addition, Katie supports the training and professional development initiatives for all OPA team members.

Katie joined OPA in 2019 after working in higher education for 7 years overseeing residential and campus life at two different universities. She brings with her experience as a former department head as well as serving as an adjunct professor at the undergraduate and graduate level for leadership studies.

Katie is a 2012 graduate of Seattle University (BA & BPA) and a 2015 graduate of The College of St. Scholastica (MBA).

Civilian Staff

OPA has 16 additional civilian staff members who conduct a variety of functions, including administrative tasks, community engagement, policy and data analysis, operational management, and investigations.

Sworn Staff

OPA has nine SPD sergeants on staff who conduct administrative misconduct investigations. They generally serve at OPA for a few years before rotating to a different SPD assignment.