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John Ismerio, MBA

Founder & CEO

21 years of providing tax and accounting services.

John has been helping small businesses and non-profits to achieve their goals.


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John Bio
Rose Bio

Rose Ismerio, BA

General Manager

Managing partner and officers for ISTAXPro.

With her 14 years of experience, Rose devoted to help and engage with all business owners regardless the size.

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Carlos Hernandez, BA, CPA (Mex)


18 years of experience working for corporations such as Coca-Cola and Samsung.

Elena Mandrakas, BA, MA, CPA (Mex)


12 years experience of accounting in governmental field. She also works for Samsung Corporation.

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Mayra Luna, BA


Economist for 25 years with experience in governmental field in Mexico. Of these, 17 years of experience in GDP statistical analysis at National Statistics Institute of Mexico and 4 years in governmental audits. 

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