About us


Global Engine Maintenance, LLC (GEM) established in 2009 is a breakthrough in the jet engine maintenance industry, serving airlines, lessors and aviation organizations world-wide. GEM specializes in offering more creative solutions for CFM56 and JT8D series engines.

Our people, our skills and our experience ARE Global Engine Maintenance. We are committed to delivering unparalleled performance that includes extraordinary responsiveness and superb customer service.


GEM performs full engine restorations, hospital & surgical repairs, piece parts and module repairs, engine trading, and field service support anywhere in the world, providing unmatched response times and extraordinary customer service.

Global Engine Maintenance (GEM) is a high-performance FAA 145 / EASA Certified Repair Station and is a CASE registered organization.


Today’s business scenarios call for practices that maximize efficiencies and processes that provide best value to customers. At Global Engine Maintenance, we live that!
We go the Extra Mile to offer you incomparable performance and innovative options that translate into tangible benefits to your organization.


Our People are our greatest strength and our resourcefulness is our hallmark – We Do Whatever It Takes! GEM is comprised of highly skilled and experienced technicians, and aviation professionals equipped with the tools to reduce your costs and improve your bottom line. GEM’s state-of-the-art facility at Doral, Florida provides the right infrastructure to carry out the most customized and complex repairs.

Meet Our Team

Dominic Raja -Vice Chairman

Dominic is the one of the senior executives of SPI Group and he oversees the operations of GEM. He has been involved with the SPI family office for over 25 years, managing different businesses . Dominic was involved in the development and operations of various power plants in India and has also held key management roles in business development, project execution and operations management. He has raised close to $125mm capital thus far for various projects and was also part of the M&A team in the family office. Dominic holds a Bachelors in Mechanical Engineering and a Masters in Business from India.


Rob Conrad – Chief Operating Officer

Mr. Conrad has been in the aviation industry since 1982. Having earned accounting and finance degrees, Rob began his aviation career at Aviall, working subsequently at Braniff Airways, AeroThrust, and Apollo Aviation Group, holding roles in finance, customer service, sales and operations. He has participated in more than 200 aircraft & engine transactions and hundreds more in engine repair and refurbishments.


Muazzi Hatem – VP Engineering and Quality

Mr. Hatem has more than 20 years of experience in the aviation industry. Muazzi is responsible for GEM’s engineering and quality assurance team. He has held senior positions at TMC Engine Center, NewJet Engine Services, Avteam, and AeroThrust. Muazzi has a BS in Aerospace Engineering from Embry-Riddle Aeronautical University and holds an FAA Airframe and Power Plant license.


Norbert Allen – Director of Operations

Mr. Allen began his aviation career in 1986 in the United States Air Force. Norbert worked at Eastern Airlines and AeroThrust Corporation, where he held several positions to include, Production Control Manager, Training Manager, Director of Business Development, and Director of Operations. Norbert also worked for AeroTurbine as a Director of Maintenance. Norbert currently holds an A&P License and has an MBA from Nova Southeastern University.