United Technical Operations

United Technical Operations is the maintenance business within United Continental Holdings, Inc., bringing 85 years of MRO experience, employee talent and operational integrity to our customers. As a full-service global MRO provider, our specialized areas include: engines, line maintenance, global emergency maintenance (GEM), landing gear, parts loans, component maintenance and engineering services. United is also proud to support several government programs that encompass a variety of services from our product portfolio.

The United Technical Operations MRO Center, located in San Francisco, is a 2.9 million-square-foot facility that is home to more than 3,500 technicians, management, and support personnel. Our engine shop has held International Standards Organization (ISO) certification since 1997 and is the only airline facility of a U.S. carrier to achieve ISO 9001:2008 certification for its engine maintenance operation.

By leveraging United's many years of experience and leadership in safety, logistics, and operational excellence, United Technical Operations continues to deliver innovative and cost-efficient services to more than 100 customers worldwide. Additional airline contract business includes aircraft sales, engine and APU sales and leases as well as ground handling and flight training.

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  James E. Keenan, Senior Vice President

  James E. Keenan is SVP of United Technical Operations a division of United, the world's leading airline. In this role, Keenan oversees United's Global Technical Operations including line and base maintenance functions. He is responsible for aircraft reliability and regulatory compliance, and oversees administrative, engineering, planning and production support of airframes, engines and components, as well as continuous improvement programs and third-party sales.

  Previously, Keenan was Senior Vice President of United Services for United Airlines at the maintenance center in San Francisco, overseeing the global maintenance operation, including both base and line maintenance functions. In this capacity he was also responsible for the safety and operational reliability of United's fleet worldwise, as well as environmental compliance and continuous improvement.

  Prior to that position, Keenan was Senior Vice President and General Manager of Pratt & Whitney Global Service Partners, one of the most extensive commercial engines maintenance, repair and overhaul service networks in the industry. Prior to Pratt & Whitney, Keenan spent 14 years at United, where he served as Vice President of Engineering and Technical Support.

  Keenan holds a bachelor's degree in mechnaical engineering from Santa Clara University.

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  Mark Mounsey, Vice President – Base Maintenance

  Mark is responsible for engines, components, airframe and facilities maintenance at United’s San Francisco and Houston Maintenance Centers. Mark has more than 20 years of industry experience in managing design, manufacturing, assembly, test, validation, and repair activities for components and systems. Before joining United in 2009,Mark was General Manager – Pratt & Whitney Cheshire Engine Overhaul Center, responsible for the overhaul and repair of the Pratt &Whitney PW2000, F117, PW4000, and JT9D families of engines. Mark has an industry reputation for quality and is also a recognized leader and passionate advocate of continuous improvement, lean manufacturing and effective visual factory tools and practices.

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  Mike Lorenzini, Managing Director – Supply Chain, Ground Service Equipment and Facilities Maintenance and MRO Sales

  Mike brings over 20 years of experience in the aviation industry to bear with both United’s global fleet and customer’s aircraft. Previously, Mike was responsible for the operational reliability of the airline through reduced maintenance related delays and cancellations by effectively prioritizing and executing scheduled, deferred and AOG-type maintenance and processes critical to ensuring safety, compliance and airworthiness. Mike was also designated and served as the Director ofMaintenance (DOM) for the airline as outlined in the FAR 119.65. Thisbackground leading the Maintenance Control function gives Mike an operational perspective and the ability to build teams that work seamlessly with United’s extensive global network of Line Maintenance stations, Operations Control, Airport Operations, Flight Operations, In-flight and in-house and contracted maintenance providers and suppliers to get the job done on time and with minimal operational impact.