NSPE-CA Leadership Team

Board of Directors 2023–2025

Michael Ozatalar, P.E.
Michael Ozatalar, P.E.
Michael has been with Parsons for 30 years and has held several key leadership roles within the company. Currently, Michael is the Manager of Engineering, and is responsible for all engineering staff and services in Parsons Federal Systems, which performs over $1 billion in annual revenue for the federal cyber and intelligence; infrastructure and environment; logistics, security and training; and engineering and technical services markets.
Davis Flaten, P.E.
Davis Flaten, P.E.
Vice President
Davis has worked in the natural gas industry for 43 years serving in different leadership roles throughout California and Nevada. He is a Program Manager at the Cordoba Corporation in Ontario. Davis is a licensed Mechanical Engineer in California, Nevada, and Arizona.
Ken Discenza, NSPE-California Treasurer
Ken Discenza, P.E.
Ken is a Registered Civil Engineer with over 40 years in the land development field. He has provided project engineering and management during the planning, design, and construction phases of numerous projects involving residential, commercial, and industrial development. Ken has worked in Southern California as a Professional Engineer since 1980 when he established Site Design Associates, Inc. Ken has been a volunteer for MATHCOUNTS for more than 30 years.
Joseph Quinn
Joseph Quinn, P.E.
Immediate Past President
Joseph is a licensed Metallurgical Engineer in CA, PA, UT, NV, AZ, CO, and WA and owner of Materials FACT, a failure analysis consulting business located in Los Angeles. He holds three degrees in the fields of materials science and engineering and has provided well over 1,000 investigations on metallic and non-metallic (glass, plastic, rubber, and composite) materials or products in litigation, subrogation, insurance claims, and industrial incidents. He is very active in technical societies and industry organizations.

Events Task Force

Harold Hartman, P.E., Chair
Harold Hartman, P.E.
Harold is a a senior associate at Eco & Associates in Tustin. As an engineering management professional, he has spent most of his career with the U.S. Army Corps of Engineers.
Chijioke Akunyili, P.E.
Chijioke Akunyili, P.E.
Chi is a California-licensed mechanical engineer with over 15 years of Air Quality and EHS Engineering Experience and has worked across multiple industries in the state. He began his career with the South Coast Air Quality Management in the Engineering and Compliance office before moving to Southern California Edison, where he was responsible for Power Plant Emissions Monitoring and Compliance. He is currently with Northrop Grumman Corporation, managing the Air Quality Engineering program for the Redondo Beach Space Park facility.
Corey Hartwig, P.E. 
Corey Hartwig, P.E. 
Corey is a licensed Professional Engineer in Chemical Engineering and Mechanical Engineering in CA, TX, SD, and CO, with nearly three decades of industrial engineering experience. Corey has a B.S. in Chemical Engineering from the Colorado School of Mines, graduating in 1995. Currently, Corey is the project engineering manager at PCL Industrial Services, Inc. in Bakersfield, CA. At PCL, Corey leads teams who design and develop major EPC projects, primarily in the energy sector with a strong focus on renewables.

Andrew Johnson, P.E.


Jeanne Marie TokunagaJeanne Marie Tokunaga, CAE
Executive Director
NSPE-CA and CSPE Education Foundation
Jeanne Marie is a Certified Association Executive with more than 25 years of experience in the areas of program management, communications, and executive management. She is an active member of the California Society of Association Executives. Jeanne Marie has a Bachelor of Arts in Journalism from California State University, Sacramento, and began her career as a daily newspaper journalist.