top of page

Our Team


John Ismerio, MBA

Founder & CEO

John Ismerio, M.B.A., CEO and Founder of ISTAXPro Accounting Firm, Inc.

Greetings, I am passionate about maximizing the potential of every business client, from Sole Pro’s to LLCs & Corporations, with over 21 years of accounting and tax experience our team is here to coach you with the ups & downs of your business.

Our firm’s goal is for our clients to be fiscally healthy and provide them with strategies necesssary to encourage their growth and harness the love for their business, while our team takes care your accounting and taxes needs.

In my spare time I enjoy spending time my his family, exercising 4 to 6 a week, 1 hour sessions of cardio and weights, eating healthy, and maintaining my weight using intermittent fasting.

  • Facebook
  • Instagram
  • LinkedIn
John Bio
Rose Bio

Rose Ismerio, BA

General Manager

My name is Rose Ismerio, PR Specialist in Social Media, Managing Partner of ISTAXpro Accounting Firm, Inc.

I have 15 years of experience in Accounting and Tax world and my greatest passion is providing tax services to women entrepreneurs and helping them create, maintain and  scale their companies in the USA.

I have collaborated with for-profit and non-profit organizations focused on the growth of entrepreneurs and obtaining excellent results and experiences for our business community.

In my free time I like to create memorable family moments, exercise, travel and hang out with my girlfriends.


Carlos Hernandez, BA, CPA


My name is Carlos Hernández, I have more than 20 years of experience in Taxes, Finance and Accounting.

I have worked at Coca Cola Femsa, Samsung Electronics and Expo Nacional Ferretera in Mexico, among other companies.

I like to run to keep fit and some of my hobbies are teaching and continuing to grow and learn  to continue developing as a professional.

Elena Mandrakas, BA, MA, CPA


My name is Elena Mandrakas, I have 14 years of experience in accounting for the treasury and ecommerce finance departments for the Secretary of Agriculture and Samsung Electronics in Mexico.

In my free time I like to travel, visit new cities and try their delectable local dishes.


Martin Miranda, BA, CPA


My name is Martín Miranda, I have 11 years of experience in Finance and Accounting.

I have worked in different companies in Mexico City, among them are Samsung Mexico and Fox International Channel, among other companies.

In my spare time I play soccer, a hobby that I share with my entire  family.

Dulce Santos, Bookkeeper


Bookkeeper with more than 20 years of experience in Accounting, Accounts Receivable, Inventory Control, Expense Control, Bank Reconciliations.

I have worked in Grupo Comercial Amori, a 100% Mexican company that distributes the Cruz Azul and Ternium brands, to name a few.

In my spare time I like to read and enjoy my family.

Dulce Santos.webp

ISTAXPro Accounting Firm

209 W. Alameda Ave Suite 203, Burbank, CA 91502, USA

bottom of page