John Wayne Airport Organizational Chart
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Orange County Board of Supervisors
John Wayne Airport is owned and operated by the County of Orange. The five-member Orange County Board of Supervisors oversees the management of County government and its many special districts. The five Supervisors are elected by districts to four-year terms by the citizens of Orange County. The Board creates policy for the management of the Airport. The Board also appoints a five-member advisory commission called the Orange County Airport
Commission that makes recommendations to the Board for development, maintenance and operation of John Wayne Airport. Commission members have terms that are concurrent
with the term of the County Supervisor that made the appointment.
Link to Orange County Board of Supervisors
County Executive Office
The County Executive Office (CEO) is the
corporate administrative branch of Orange County government.
The CEO is
responsible for providing
leadership, vision and a knowledge of emerging trends and issues
impacting Orange County. The CEO, in turn, supports and implements
Board of Supervisors policy and ensures that the County
accountable, and responsive manner. The County Executive Officer
provides direction to all County agency/department heads directly
to him, and provides administrative oversight
to those department heads who report directly to the Board of
Supervisors. In addition, the County Executive Officer also has budgetary oversight
to all department and elected
to County Executive Office Web page
Mr. Barry A. Rondinella, A.A.E./C.A.E., Airport Director
The Airport Director of John Wayne Airport develops Airport policy and administers all activities associated with the operation of a medium hub commercial airport. The Airport Director has direct responsibilities for five Airport divisions which include: Business Development, Facilities, Finance & Administration, Operations and Public Affairs. He oversees the Airport staff and the Airport budget.
Mr. Rondinella is the Airport Director for John Wayne Airport. Prior to joining John Wayne Airport, he served as Los Angeles World Airports' director of operations. He previously served as deputy director for operations at Sacramento Airport and as airport director for Stockton Metropolitan Airport and the Santa
Maria Public Airport.
A licensed commercial pilot, Rondinella is an Accredited Airport Executive and a U.S. Air Force veteran.
Assistant Airport Director
The Assistant Airport Director of John Wayne Airport assists the Airport Director developing Airport policy and administering all activities associated with the operation of a medium hub commercial airport. This includes the oversight of the five Airport Divisions, Human Resources, and Quality Assurance & Compliance, as well as the Airport budget. The Assistant Airport Director acts as the Airport Director in his absence.
Loan Leblow has served as Assistant Airport Director of John Wayne Airport since
January 2000. As Assistant Airport Director, her responsibilities include
assisting the Airport Director in policy development and overseeing the
day-to-day operations of all Airport activities, which include the divisions of
Business Development, Facilities, Finance and Administration, Operations, and
Public Affairs. These divisions are managed by Deputy Airport Directors.
Prior to her current position, Ms. Leblow served as Interim Airport Director at the
Airport from 1998 to 1999. She has also served as Deputy Airport Director of
Finance and Administration, at which time she was responsible for airport
finance, investment, accounting, information systems, human resources and
In addition to being a certified public accountant,
Ms. Leblow has a Bachelor of Arts Degree in Accounting and Finance from
California State University, Fullerton. Ms. Leblow is a current member of the
American Association of Airport Executives.
Mr. Ralph Sanchez, Deputy Airport Director, Business Development
The Deputy Airport Director (DAD), Business
Development, is charged with developing, implementing and monitoring
all commercial real property contracts involving the Airport,
as well as purchasing all necessary equipment and services to
keep the Airport running efficiently. The Business Development division is comprised
of three units, the Asset Management unit, the Purchasing unit
and the Insurance unit.
Ralph Sanchez is the Deputy Airport Director for Business Development. The duties of the Deputy Airport Director for Business Development include full responsibility for planning, organizing and controlling business development activities including revenue development, properties, procurement and insurance.
Prior to his current position, Mr. Sanchez served as an Administrative Manager in Asset Management for the Airport and has worked at the Airport since 2002.
He has a Bachelor of Arts degree in Public Administration from California State University, Fullerton, and an Associate in Science Degree in Real Estate from Irvine Valley College. Mr. Sanchez is a licensed California Real Estate Broker and has over 30 years of experience in property acquisitions, management and real estate finance.
Mr. Lawrence G. Serafini, Deputy Airport Director, Facilities
The Deputy Airport Director (DAD), Facilities,
is responsible for planning, organizing
and directing all aspects of facilities management and engineering
facilities at John Wayne Airport. The DAD for Facilities is
directly responsible for the following John Wayne Airport sections: Engineering,
Airport Development, Planning & CADD, Maintenance and Information
Lawrence Serafini has served as Deputy Airport Director of Facilities for John
Wayne Airport since 2001. Mr. Serafini's responsibilities include oversight of
airport development, engineering, information systems, maintenance and planning
and environmental compliance.
Mr. Serafini retired from the U.S. Navy as a Lieutenant Commander, Civil Engineer Corps.
Mr. Serafini has a Masters of Science Degree in Environmental Engineering from California State University, Long Beach and a Bachelor of Arts Degree in Civil Engineering from Rensselaer Polytechnic Institute.
Ms. Mariane Teschner, Deputy Airport Director, Finance & Administration
Deputy Airport Director (DAD),
Finance and Administration,
is responsible for Airport
finances, the preparation
and monitoring of the Airport
budget, the daily operation
of accounting systems and
processes, the preparation
of the financial statements,
and administrative activities
and functions, including
support to all Airport divisions. The
division is comprised of
three units, Budget, Finance
and Staff Services. The Accounting
Department is an out-stationed
County of Orange unit with
dual reporting responsibilities
to the County of Orange Auditor-Controller Agency and the
John Wayne Airport Deputy
Airport Director of Finance
Mariane Teschner became the Deputy Airport Director of Finance and Administration in 2013 after serving as the Airport Finance Manager for more than three years.
Ms. Teschner’s responsibilities include oversight of airport finance, accounting, budget and administrative activities and functions; preparation of airline
terminal rent rates and charges; monitoring airport cash flow and investments; monitoring capital improvement budgets and expenditures; coordinating investor relations;
and managing all aspects of Airport debt and bond indenture compliance programs.
Prior to joining John Wayne Airport as Finance Manager, Mariane Teschner came from the private sector and worked in various
financial management positions (as Chief Financial Officer, Finance Director, Controller, Vice President of Finance Control and Analysis)
at banks and financial institutions.
Ms. Teschner has a Master’s Degree in Business Education and Business Administration from the University of Cincinnati,
and a Bachelor’s Degree in Financial Management from Saint Scholastica’s College.
Mr. Scott Hagen, Deputy Airport Director, Operations
The Deputy Airport Director (DAD), Operations,
with the day-to-day oversight
of Airport activities by ensuring that John Wayne Airport operates
safely, securely, and effectively, within the scope of strict
federal regulations. Each day Airport Operations staff conduct
Airport inspections; address the needs of all tenants, patrons,
and other customers; oversee the administration of general aviation
aircraft tiedown spaces; issue and track employee identification
badges and other access cards and keys; manage parking facilities;
and monitor the activities of ground transportation providers.
The Airport Operations division is comprised of two units, Airside Operations and
Landside Operations. As John Wayne Airport's Security Coordinator, the Deputy
Airport Director of Operations also oversees John Wayne Airport
Police Services, provided by the Orange County Sheriff's Department,
and Airport Rescue and Fire Fighting (ARFF) services, provided
by the Orange County Fire Authority, and acts as the primary point
of contact to the Transportation Security Administration.
Scott Hagen has served as Deputy Airport Director of Operations for John Wayne
Airport since 2005. In this role, Mr. Hagen's responsibilities include oversight
of Airport operations staff, as well as two major service contracts comprised of
the Aircraft Rescue and Fire Fighting contract with the Orange County Fire
Authority and the Orange County Sheriffs Department, Airport Police Services
Division contract. Functional responsibilities within the Operations Division
include Federal Aviation Administration airport certification compliance,
Transportation Security Administration regulatory compliance, Airport contract
operational oversight, Automated Vehicle Identification program administration,
emergency planning and response, construction coordination, and tenant/public
Prior to his current position, Mr. Hagen served as the Manager,
Landside Operations at John Wayne Airport for over six years. He also served six
years in the Operations Department at Bob Hope (Burbank) Airport at the start of
his airport management career.
Mr. Hagen is a graduate of Embry-Riddle
Aeronautical University with a Bachelor of Science Degree in Aeronautics and is
an FAA-licensed Private Pilot and Airframe & Power Plant mechanic.
Ms. Courtney Wiercioch, Deputy Airport Director, Public Affairs
The Deputy Airport Director (DAD), Public Affairs, is responsible for all aspects of government, media and community relations, customer relations and communications at John Wayne Airport. Public Affairs staff is charged with responding to media and public inquiries; serving as front-line customer service agents; coordinating Ambassador and Tour Guide volunteer programs; planning and organizing museum-quality exhibitions; disbursing information via the Airport website; tracking local, state and federal legislation; enforcing the settlement agreement, educating the surrounding communities about access and noise issues and handling noise complaints. The Public Affairs division is comprised of four units, Access & Noise, Communications, Customer Relations and Public Relations.
Courtney C. Wiercioch is the Deputy Airport Director, Public Affairs for Orange County's John Wayne Airport, the 39th busiest commercial passenger airport and 30th busiest airport overall in the nation. As Deputy Airport Director, Public Affairs, Ms. Wiercioch oversees all aspects of JWA's Access and Noise Program, government relations, customer relations, communications and media.
Prior to her appointment as Deputy Airport Director in 2004, Ms. Wiercioch served as Director, Public Affairs for CalOptima, an agency that provides managed health care throughout Orange County. Before joining CalOptima, she served in a number of other capacities with the County of Orange including Manager of the El Toro Master Development Program, Assistant County Executive Officer for Public Affairs, John Wayne Airport Deputy Airport Director, Government/Community Relations and Executive Assistant to Supervisor Thomas F. Riley.
Ms. Wiercioch has a Bachelor and Master of Science Degree in Political Science from the University of California, Irvine and is a graduate of the Coro Foundation’s Orange County Focus Program.