My name is Gabriel Sierra, but people call me Gabriel Sierra. Here is my homepage: . I live in United States and work as an at

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Gabriel Sierra

Gabriel Sierra

Gabriel Sierra is the Managing Director of Prometrix Consulting, Inc. With more than 20 years of industry and government experience, Mr. Sierra has extensive professional expertise in industrial engineering and construction, OSHA regulatory management, manufacturing, technology innovation, business strategy, and marketing.


Prior to founding Prometrix Consulting, Mr. Sierra was appointed and served as the Chief of Staff for OSHA (Occupational Safety and Health Administration), where he served from 2006 to 2009. During his tenure as a senior member of the Assistant Secretary’s management team, the injury / illness and fatality rates declined to the lowest levels in the nation’s history enabled by the utilization of all the tools available through the Occupational Safety & Health Act of 1970.

Mr. Sierra possesses seven utility patents from the US Patent & Trademark Office and has published a number of high circulation trade articles on the subject of industrial wireless technology. He holds a BS Electrical Engineering from the University of Florida and an MBA from Indiana University. Sierra’s career path includes

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Dear Valued Customers


We regret to announce that ProEdTech LLC and all its affiliate brands will cease operations on April 1, 2019.


We are no longer able to fulfill online orders. We will fullfill all DVD and book orders already placed.


Customers of canceled webinars and subscription products may request a refund at (800) 223-8720 or You must do so by April 1, 2019.


Thank you for your business and loyalty over the years. We sincerely apologize for any inconvenience caused.


Best regards,

The ProEdTech Team