Jack Rosebro


Perfect Sky

Jack Rosebro is the founder of Perfect Sky, a company that trains automotive technicians, educators, engineers, and stakeholders on the theory, analysis, operation, diagnosis, design, and/or repair of hybrid, plug-in hybrid, and electric vehicles, as well as supporting systems such as external chargers.

He teaches throughout North America, using classroom lectures as well as hands-on workshops, and has taught for or consulted to a wide variety of companies and institutions, including the California Bureau of Automotive Repair, City and County of San Francisco, City of Toronto, City of New York, Fluke Instruments, Mercedes-Benz Hybrid LLC, Society of Automotive Engineering (SAE), Underwriters Laboratories, US Environmental Protection Agency (EPA), and many vehicle and powertrain component manufacturers as well as many Tier 1 automotive industry suppliers.

Jack received his Master of Science in Engineering from the Blekinge Institute of Technology in Karlskrona, Sweden. He has written technical articles for a variety of industry publications, and contributes regularly to Green Car Congress, an online journal of news, information, and analysis of technical and policy issues regarding the development of sustainable mobility.

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