The Seattle Police Monitoring Team is comprised of former police professionals, lawyers, psychologists, statisticians, and other experts with substantial experience in law enforcement.  Several members of the Team are long-time, full-time residents of Seattle.


Peter Ehrlichman

Deputy Monitor

Peter Ehrlichman, a lawyer with 40 years of experience, is a partner at the law firm of Dorsey & Whitney LLP in Seattle. A senior member of the Seattle Trial practice and the firm's co-chair of its Banking Industry Group, his practice at the firm is focused on complex litigation. He has served on the Washington State Bar Association's Board of Governors, the American Bar Association's House of Delegates, and the King County Bar Association's Board of Trustees.


Ronald Ward

Assistant Monitor

Ron Ward is a partner at the WardSmith law firm, where he represents accident victims in personal injury lawsuits. He was the first African-American in 114 years to serve on the Washington State Bar Association, where he served as its President. Ward founded the Bar Association's Leadership Institute, which serves as a developmental program for young lawyers from diverse backgrounds with an interest in leadership. Ward previously served as a Washington State assistant attorney general before entering private practice at the Seattle firm of Levinson Friedman.


Hassan Aden

Senior Police Expert

Chief Hassan Aden is the former Chief of Police of the Greenville Police Department in Greenville, North Carolina. Until late 2015, he was the Director of the Research and Programs Directorate of the International Association of Chiefs of Police (IACP), where he directly oversaw the day-to-day management of operational programs and research projects aimed at advancing professional police services. He worked for 26 years at the Alexandria Police Department in Alexandria, Virginia, rising to the rank of Deputy Chief there. Chief Aden is a former commissioner of the governing board of CALEA and has served as a Senior Executive Fellow at the Police Foundation. Among other academic credentials, he holds a Masters of Public Administration from American University in Washington, DC.


Julio Thompson


Julio Thompson is an Assistant Attorney General in the Office of the Vermont Attorney General, where he serves as Director of the Office's Civil Rights Unit. He has 23 years of experience in police risk management, law enforcement training, and internal investigations. Thompson worked as Deputy Special Counsel on a blue-ribbon commission that investigated excessive force and lax discipline at the Los Angeles County Sheriff's Department (LASD) and subsequently implemented reforms. He has served as a consultant on consent decrees in Washington, D.C. and Oakland, as well as provided assistance to Portland, Oregon; Detroit; and several other jurisdictions on best practices.

Andrea Yang




Andrea Yang represents local and international clients in a wide range of complex business litigation, including contractual, trademark, banking, and finance disputes, at the Seattle law firm of Dorsey & Whitney LLP.  Drawing on her experience as a federal law clerk at the magistrate and district court levels, she assists clients at all stages of litigation.  Yang is a graduate of Harvard University and Georgetown University Law Center.


Marnie MacDiarmid



Marnie MacDiarmid began practicing law in 1991, becoming a partner at Tuttle and Taylor in Los Angeles in 1997. She represented clients in all aspects of general business litigation in both state and federal court. Now a Seattle resident, MacDiarmid was a staff member of the Kolts Commission, a blue-ribbon panel that examined the Los Angeles Sherriff's Department (LASD) in the early 1990s. She also served on the staff of the Special Counsel charged with subsequently overseeing the implementation of that panel's recommendations.

Karlene   Goller


Karlene Goller is one of the nation’s most recognized First Amendment lawyers. In 25 years at the Los Angeles Times, mostly as the paper’s newsroom counsel, Goller successfully fought for open records and proceedings, and counseled reporters and editors on important work regarding police accountability. She is now a sole practitioner advising news organizations, authors and others on issues ranging from access to libel. Goller teaches media law at UCI.


Joseph Doherty


Joe Doherty is the Director of the University of California, Los Angeles Law School's Empirical Research Group, a methodology-oriented research center that specializes in the design and execution of quantitative research in law and public policy. He is also Co-Director of the UCLA-RAND Center for Law & Public Policy, a group dedicated to legal scholarship grounded in multidisciplinary empirical analysis to guide legal and public policy-makers. Professor Doherty's work has appeared in numerous publications, including the Michigan Law ReviewYale Journal of International Law, and the American Law & Economics Review. Joe has worked in the Santa Monica City Attorney's Office and at a public opinion and policy research firm.


Ellen Scrivner


Ellen Scrivner is a Board-Certified Police and Public Safety Psychologist with extensive academic and practical experience. She is currently an Executive Fellow at the Police Foundation in Washington, DC, following Presidential appointments as Deputy Director of the National Institute of Justice and as the National High-Intensity Drug Trafficking Area (HIDTA) Director in the Executive Office of the President. She has also served as Deputy Superintendent for Administration at the Chicago Police Department and as Deputy Director of the Office of Community Oriented Policing Services (COPS).


Brian Center

Senior Consultant

Brian Center is the founder and principal of Center Solutions, a law enforcement consultancy made up of law enforcement experts and experts in organizational management. He is a senior consultant for PARC, Merrick Bobb's organization. Center was a department director in the Los Angeles County Sheriff's Department, served as a senior law enforcement expert for the Los Angeles County Board of Supervisors, and has been an executive director of an anti-gang non-profit with a mission of building relationships between law enforcement and community members in high-crime neighborhoods.

Jeffrey Yamson

Tim Shugrue

Executive Assistants