Arroyo Associates, Inc.
Building Partnerships for Excellence


From Vision to Realization

Photo by Kit_Leong/iStock / Getty Images

President and founder

Nicholas T. Conway


Nicholas is the President and Founder of Arroyo Associates, Inc. Mr. Conway possesses over forty years of management and management consulting experience in the government/public sector, and has conducted numerous studies for school districts, cities, counties and other organizations, analyzing their key business functions. Prior to joining Arroyo Associates, Mr. Conway was a principal with Arthur Young & Company (which merged with Ernst & Whinney to become the current Ernst & Young), where he directed the local government consulting practice in the firm’s Los Angeles office, responsible for study engagements throughout the West Coast. Mr. Conway holds a M.P.A. in Municipal Finance from the University of Southern California.

Managing principal and sr. consultant

Grace Eng Nadel

Dr Grace Eng Nadel pic.jpg

Grace is the Managing Principal and a Senior Consultant with Arroyo Associates. Dr. Nadel holds a Professional Doctorate in Policy, Planning, and Development where she specialized in the leadership development and management of public agencies. Dr. Nadel is skilled in strategic planning and building collaborative governance with between departments and local agencies. Her analytical experience includes an evaluation of a regional implementation of a transit technology program, financial budgeting and forecasting, organizational development, performance/service level benchmarking, program evaluation, and implementation planning. In addition to experience as a Senior Manager in the City of Culver City’s Transportation Department she has conducted management consulting services for the San Gabriel Valley Council of Governments, the Orange County Fire Authority, and the Community Development Department for the City of Irvine, and the Planning Services Department for the City of San Clemente. Dr. Nadel holds her Doctorate degree and a Masters of Planning from the University of Southern California as well as a B.A. from Yale University.

sr. consultant

Eddie Duque

Eddie Duque, is a Senior Consultant with Arroyo Associates. Mr. Duque has served cities in the private and public sector for over 21 years with more than 17 years in local government. His background includes experience at the regional, sub-regional, and state government levels. In addition to being a consultant with Arroyo Associates, he has served as City Manager for the City of Livingston and as a Senior Management Analyst of the Finance & Management Services Agency of the City of Santa Ana where he evaluated the efficiency and effectiveness of service delivery methods and procedures, and directed the business process change efforts; assessed staff workload and operational performance; as well as managed the City’s Information Technology Audit, implementing a new customer service Interactive system. Mr. Duque is a graduate of Harvard University’s John F. Kennedy School of Government where he specialized in Urban Development including coursework at the Graduate School of Design. In addition, he holds a Bachelor of Arts from the University of California at Berkeley in Latin American Urban Development with a minor in City & Regional Planning.

sr. consultant

Charles S. Brobeck

Charles is a Senior Consultant and specializes in the analysis of law enforcement operations, management and leadership. Mr. Brobeck is the former Chief of Police for the City of Irvine – a position he held for 10 years. Prior to Irvine, he served as the Chief of Police for the City of Novato, in Marin County. In addition to serving as a Special Advisor to the Director of the State Department of Motor Vehicles (DMV), Mr. Brobeck was appointed by then Governor Pete Wilson as a member of the California Commission on Peace Officer Standards and Training (POST). After retiring from law enforcement with 38 years of service, he joined Affiliated Computer Services (ACS), State and Local Solutions and served as their Director of Western Operations for Photo Enforcement.

Mr. Brobeck currently serves as a member of the POST Advisory Committee, which serves as the POST Commission's “sounding board” by providing a two-way link between the Commission and organizations that share an interest in the Commission's work. He also serves as a regular presenter in the POST Executive Development Course for senior-level law enforcement personnel; the course provides training on a variety of topics associated with organizational dynamics and development, personal and group leadership, and communication skills. Mr. Brobeck has served as a lead consultant on a number of analytical studies, including those of the Los Angeles Police Department and the Kern County Sheriff's Department. Mr. Brobeck holds a Bachelor of Arts and a Master of Public Administration from Golden Gate University. He is also a graduate of the FBI's National Academy and the Law Enforcement Executive Development Program.

sr. consultant

William Covington

William Covington, CPA, is a Senior Consultant with Arroyo Associates. Mr. Covington regularly provides consulting services to local government agencies about GAAP and other accounting policies and procedures, most recently conducting a Management Audit with the City of Los Angeles, Port of Los Angeles on their Account Receivables and contracts. He has also provided numerous contract audit services to Federal agencies including the FTA, FAA, and the Department of Energy, reviewing local and state agencies, non-for-profits, and regional transportation agencies. He oversaw the evaluation of grant compliance and assessment of internal controls and has managed accounting systems. Mr. Covington holds a B.S. in Accounting from San Diego State University and an MBA in Finance from Washington State University.