The Office of
County Hearing Officer
Hearing Officer Information
All Hearing Officers selected by the Office of County Hearing Officer (OCHO) have a minimum of 10 years of professional experience and are active members of the California State Bar. Additionally, each Hearing Officer has completed at least 15 hours of specialized training focused on administering fair and impartial administrative hearings, including training on ensuring fairness, due process, and compliance with legal standards.
The Hearing Officer assigned to your case is selected randomly by the OCHO, with careful consideration to ensure there are no conflicts of interest. Specifically, the selected Hearing Officer does not represent the County department involved in your matter and has no other potential conflicts related to the matter.
Our dedicated team of Hearing Officers
OCHO Administration
Joyce M. Aiello, County Hearing Officer, Presiding
David Michael Miller, County Hearing Officer, Supervising
Hearing Officers
| Attorney Name | Title | Year | Practice Area |
|---|---|---|---|
| Joyce M. Aiello | County Hearing Officer, Presiding | 1991 | Office of County Hearing Officer |
Areas of Law: Child Welfare, Contracts and Transactional, Civil Law, California Public Records Act, Labor and Employment Law, Litigation, Workers' Compensation, Probate Law, General Municipal Law, and Administrative Hearings Legal Assignments:Dependency Litigation, Advice, and Appeals, Contracts and Transactional Advice, Civil Litigation, Civil Appeals, Legislative Review and Advice, Public Records Act Advice and Oversight, Labor and Employment Litigation and Advice Management, Workers' Compensation Management, Probate Management, General Municipal Law Advice, and Administrative Hearing Advice, Management and Oversight | |||
| David Michael Miller | County Hearing Officer, Supervising | 2007 | Office of County Hearing Officer |
Areas of Law:Child Welfare, Appeals, Administrative Hearings Legal Assignments:Trials, Appeals, Advice, and Administrative Hearing Advice, Management, and Oversight | |||
| Anthony Morrone | Senior Deputy County Counsel | 1985 | Labor And Employment |
Areas of Law: Labor & Employment, Child Support Enforcement, Business Litigation Legal Assignments:Advice, Civil Service Advocate, Supervising Attorney for Administrative Hearings, and Labor & Employment Litigation | |||
| Carol Chacon | Senior Deputy County Counsel | 2005 | Dependency |
Areas of Law: Immigration and Child Welfare Legal Assignments: Dependency Trial Courts and Advice Attorney, including Juvenile Justice Proceedings and Grievance Review Hearings, and Child Death and Domestic Violence Death Review | |||
| Christine Ton | Senior Deputy County Counsel | 2009 | Dependency |
Areas of Law: Child Welfare Legal Assignments: Trials and Advice | |||
| Christopher Keosian | Senior Deputy County Counsel | 1988 | Labor And Employment |
Areas of Law: Medical Malpractice and Personal Injury, Labor & Employment law Legal Assignments: Administrative Hearings, Advice, and Supervise and Oversee Litigation | |||
| Daniel Horlick | Senior Deputy County Counsel | 2012 | Workers' Compensation |
Areas of Law: Workers' Compensation Law, and Personal Injury Legal Assignments: Administrative Hearings, Negotiations, Litigation, and Advice | |||
| Derrick Au | Senior Deputy County Counsel | 1996 | Transportation |
Areas of Law: Contracts, Civil Litigation, Labor & Employment, Workers’ Compensation, Construction, Finance, and Taxation Legal Assignments: Trials, Appeals, Contracts, Advice, Administrative Hearings, and Legislation | |||
| Fimy Aghoian | Senior Deputy County Counsel | 1989 | Dependency |
Areas of Law: Child Welfare and Civil Litigation Legal Assignments: Trials, Advice, and Administrative Hearings | |||
| Graeme Sharpe | Senior Deputy County Counsel | 1991 | Labor And Employment |
Areas of Law: Public Finance, Intellectual Property, Transactional, Employment, Labor, Employee Benefits, Investigations, Regulatory Agencies Legal Assignments: Employment and IP Litigation, Trials, Administrative Hearings, Writs & Appeals, Advice & Counsel, Defined Benefit Plan and Administrative Committees, Contracts, and Public Finance | |||
| Jason Gonzalez | Senior Assistant County Counsel | 1995 | Executive Office |
Areas of Law: Commercial Litigation, Federal Criminal Prosecution and Defense, Government Liability, and White-Collar Crime and Government Investigations Legal Assignments:Trials, Appeals, Criminal Prosecution and Defense, Government Investigations, Civil Litigation, Litigation Management and Oversight, Advice, Risk Management | |||
| Jenny Tam | Senior Deputy County Counsel | 2026 | Justice and Safety |
Areas of Law: Personal Injury, Labor & Employment, and General Counsel for Government Department Legal Assignments: Civil Jury Trials, Advice, Litigation Supervision and Oversight, Contracts, Regulatory Compliance, Legislation, and Policy Development | |||
| Jessica Mitchell | Senior Deputy County Counsel | 2004 | Appeals |
Areas of Law: Litigation, Contracts, and Appeals Legal Assignments: Trials, Appeals, Contracts, and Advice | |||
| Joanne Nielsen | Senior Deputy County Counsel | 1996 | Transportation |
Areas of Law: Child Welfare, Civil Litigation, Transportation, and Labor Arbitrations Legal Assignments: Trials, Appeals, Contracts, Advice, Administrative Hearings, Labor & Employment, and Arbitrations | |||
| John Savittieri | Senior Deputy County Counsel | 1991 | Dependency |
Areas of Law: Child Welfare Legal Assignments: Dependency Trials, Appeals, Advice, and Administrative Hearings | |||
| Kent Sommer | Senior Deputy County Counsel | 2009 | Labor And Employment |
Areas of Law: Construction Defect and Insurance Defense Litigation, Labor & Employment, and Administrative Hearings Legal Assignments: Civil Litigation, Advice, Litigation Supervision and Oversight, and Administrative Hearings | |||
| Kimberly Roura | Senior Deputy County Counsel | 2009 | Appeals |
Areas of Law: Civil Litigation, Intellectual Property, Child Welfare, and Appeals Legal Assignments: Litigation, Advice, Appeals, Legal Trainings, Policy Review, and Administrative Hearings | |||
| Lisa Salazar | Senior Deputy County Counsel | 2000 | Dependency |
Areas of Law: Child Welfare Legal Assignments: Litigation, Advice, Appeals, Legal Trainings, Policy Review, and Administrative Hearings | |||
| Lucia Gonzalez | Senior Deputy County Counsel | 1999 | Government Services |
Areas of Law: Labor & Employment, Child Welfare, Criminal, and Civil Litigation Legal Assignments: Trials, Contracts, Advice, and Administrative Hearings | |||
| Margaret Ambrose | Senior Deputy County Counsel | 1999 | Public Works |
Areas of Law: Child Welfare, Environmental Health, Mental Health, Public Works, HIPAA/Privacy, Public Health, Health Services, and the Public Records Act Legal Assignments: Trials, Appeals, contracts, Advice, Administrative Hearings, Legislation, and Litigation | |||
| Michael Owens | Senior Deputy County Counsel | 2010 | Government Services |
Areas of Law: Intellectual Property Litigation and Prosecution, Technology Contracts and Transactions, Military Administrative Law, and Military Criminal Law Legal Assignments: Trials, Contracts, Advice, and Administrative Hearings | |||
| Richard Hsueh | Senior Deputy County Counsel | 1992 | Justice and Safety |
Areas of Law: Medical Malpractice, Federal Government Procurements and Contracts, Insurance Defense, Business Litigation, Labor and Employment, Workers' Compensation, Federal Civil Rights Violations for Excessive Force, and Administrative Hearings Legal Assignments: Civil Litigation, Advice, Litigation Oversight and Supervision, and Served as Administrative Hearing Officer for the State of California | |||
| Roberto Saldana | Senior Deputy County Counsel | 2005 | Property |
Areas of Law: Administrative Law, Business Law, Commercial Law, Contracts, Corporate Law, Government Contracts, Litigation, and Real Estate Law Legal Assignments: County Real Estate Leases and Acquisitions, Development of County Real Property Development, Joint Public/Private Real Estate Development, and Housing/Homelessness Project Advice | |||
| Rosanne Wong | Senior Assistant County Counsel | 1990 | Executive Office |
Areas of Law: Litigation, Workers' Compensation, Probate, Child Welfare, Transportation, Contracts, and Labor & Employment Legal Assignments: Advice, Administrative Hearings, Trials, Appeals, Chief of Probate and Workers' Compensation Divisions, Senior Supervision for Labor & Employment, Probate and Workers' Compensation Litigation and Advice | |||