Kevin Kotsur, Chief of Police, is a native of Arizona, growing up in Mesa.  Prior to coming to Avondale, Chief Kotsur served with the Tempe Police Department for 22 years, retiring after serving five years as an Assistant Chief.  As the Assistant Chief in Tempe, Chief Kotsur oversaw the Support Services Division, Professional Development, Records, Communications, Operational Support and Volunteer Services.  Chief Kotsur is a graduate of Northwestern University's School of Police Staff and Command.  Additionally, he earned a Bachelor of Arts degree from Arizona State University and an MBA in Business Management from Western International University.

Questions, Comments, Concerns?  Email Chief Kotsur at    

Lynn Parkin was hired by the Avondale Police Department on May 24, 2004 as the Assistant Chief of Police.  She spent the previous sixteen years with the Peoria Police Department.  There, she rose to the rank of Lieutenant and served in numerous areas to include Field Training Officer, Recruit Training Officer at the Police Academy, Recruitment Team, Honor Guard, Bike Patrol, Criminal Investigations, Public Information Officer, Accreditation Manager, CISM/Peer Support Coordinator, Administration and Hiring.  In 1994, Lynn was named Officer of the Year and in 1997, was named Supervisor of the Year.

Lynn earned her Bachelor's Degree from the University of Kansas and her Master's Degree from Northern Arizona University.  She is also a graduate of the Northwestern University School of Police Staff and Command where she earned the Kreml Award for Leadership.

Questions, Comments, Concerns?  Email Assistant Chief Parkin at

 
Mike Sgrillo originally grew up in the North Phoenix area where he attended Thunderbird High School.  He has been with the Avondale Police Department since 1993 and has been assigned to several different areas to include, SWAT, FTO. Detectives and Hostage Negotiations.  Mike received his Bachelor’s degree in Public Safety Administration from Grand Canyon University. Mike is currently assigned to the patrol division and besides supervising two patrol squads, he manages the police department fleet of vehicles, equipment and supplies.


Questions, Comments, Concerns?  Email Lt Sgrillo at

Dale Nannenga was hired by the Avondale Police Department in November 2004 and is currently the lieutenant over the Criminal Investigations Bureau which is comprised of the Criminal Investigations Unit, the Street Crimes Unit, Identification Unit and the Property and Evidence Section.  He retired from the Tempe Police Department with 25 years of service. His law enforcement career includes service in the field training of new officers, hit and run investigations, narcotics investigations and the sex crimes detail.  Dale grew up in the Mesa area and has a Bachelor of Arts degree from Western Illinois University.  In 2007 Dale graduated from the FBI National Academy.

Questions, Comments, Concerns?  Email Lt Nannenga

Mark Gorla was hired by the Avondale Police Department in April 2005 and is currently assigned as the Lieutenant over the Communications Bureau, Records Bureau, and the CAD/RMA Administrator.  Mark grew up in west Phoenix and spent 23 years with the Tempe Police Department.  His prior law enforcement experience includes; Patrol Operations, Bike squad supervisor, Traffic supervisor responsible for special events and major accident investigation, internal affairs, Field Training Coordinator, Detective Bureau and was a School Resource Officer.


Questions, Comments, Concerns?  Email Lt Gorla at

Kim Shroyer joined the Avondale Police Department in June of 2007 and currently serves as a Lieutenant in the Patrol Division.  Her areas of responsibility include a Patrol Bureau, Field Training Program, Detention, Firearms and Defensive Tactics Training.

Kim moved to Arizona in 1989 and began her municipal law enforcement career in 1991 with the City of Tempe, where she spent 16 years prior to coming to the City of Avondale.  Her experience includes assignments in Patrol, Bike Squad, Criminal Investigations, Internal Affairs, Hostage Negotiations and Firearms Instruction.  She received her Bachelor of Science degree from Arkansas Tech University.

Questions, Comments, Concerns?  Email Lt Shroyer at

Nancy Gardner moved to the Valley in 1986 from North Dakota. She spent the previous 16 years at the Gilbert Police Department where she served as a Patrol Officer, Sergeant, and Lieutenant.  During her tenure with the Gilbert Police Department she served in a variety of capacities to include; Field Training Officer, Firearm’s instructor; Patrol Officer; the Criminal Investigations Division; Traffic Division, School Resource Unit, Volunteers in Policing,  she served on the SWAT team for six years as an operator and three years as a SWAT Commander.  In 1993, Nancy was awarded the Law Enforcement Commendation Medal by the Sons of the American Revolution. In 1995 and in 1999, Nancy was named Officer of the Year and in 2006, she was nominated for Supervisor of the Year.

Nancy earned a Bachelor’s Degree from the University of Phoenix and her Master’s Degree from Northern Arizona University.  She is also a graduate from the Northwestern University of Police Staff and Command school.

Questions, Comments, Concerns?  Email Lt Gardner at

 
Memo Espinoza grew up in Avondale and attended Agua Fria High School.  Memo is a former Marine and has been with the Avondale Police Department for twelve years.  During Memo’s police officer career he has worked as a detective, corporal and sergeant with experience in criminal investigations, hiring, recruitment and training and SRD Sergeant. Memo also served 6 years as a member of the Tactical Operations Unit (SWAT) as an operator and also is trained as a negotiator for the team.  Memo is also the Avondale Police Department’s Public Information Officer.

Memo earned a Bachelor’s Degree in Public Safety Administration from Grand Canyon University and his Master’s in Business Administration from the University of Phoenix.  Currently Lt. Espinoza is the Avondale Police Jail’s Lieutenant as well as a patrol lieutenant.

Questions, Comments, Concerns?  Email Lt Espinoza at