John Ismerio, MBA
Founder & CEO
20 years of providing tax and accounting services.
John has been helping small businesses and non-profits to achieve their goals.
818-399-8208
Rose Ismerio, BA
General Manager
Managing partner and officers for ISTAXPro.
With her 13 years of experience, Rose devoted to help and engage with all business owners regardless the size.
Marco Ang
Junior Accountant
Marco assists broad scope of services from tax preparation to QuickBooks for Business.
His goal is to provide efficient and accurate services for ISTAXPro's clients
Chau Ton
Junior Accountant
Chau's passion in Accounting makes her duties an exciting one. She assures that tasks are done precisely.
She wants to help clients by giving informative helpful data.
Robert Perez
Junior Accountant
With his strong customer service skill, Robert is providing quality tax preparation experience.
He contributes on updated tax research in order to give best tax planning for the clients.
Flor Sanchez
Junior Accountant
10+ years experience in Credit Analyst field, Flor expands her horizon in tax and bookkeeping services.
Speaking fluent English and Spanish, Flor hopes to add values for local and national clients.
Cecilia Zavala
Junior Accountant
As an accounting enthusiast, Cecilia combines her administration skill and experience to give best accounting services.
Cecilia also provides pleasant ideas to help all ISTAXPro accountants.
Gilberto Gutierrez
Junior Accountant
Gilberto intends to learn as much as he can while attending CSUN and working with John at ISTAX. His ultimate career goal is to use the knowledge he has gained throughout the years to one day open up his own full-scale business.
His hobbies include traveling, hiking, and photography
Christine Hernandez
Junior Accountant
In the next few years, she hopes to get her CPA license and to have a blossoming career in private accounting.
In her free time, she likes to go hiking, camping, driving by the coast or up the mountain to sightsee, kayaking, and snowboarding.
Liana Sahakyan
Junior Accountant
Liana is expecting to graduate from the California State University of Northridge in summer 2022. After graduation, she plans to obtain her CPA license and earn an MS in Taxation.
In her spare time, she enjoys making scented
candles, editing photos, and traveling.
Hank Tu
Junior Accountant
Hank's professional and personal goal is to broaden his accounting skill set, improve his work quality, and most importantly learn from those who came before him.
His hobbies include golfing, horology, and investing.
Ashley Hernandez
Junior Accountant
Ashley is passionate about her work. She thrives on challenges and constantly sets goals for herself, so she has something to strive toward.
She recently began taking piano lessons and looks forward to her classes.
