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Experienced Tax and Business Advice-Tailor Made for You

Our Team

Susan E. Glenn, CPA.

Susan E. Glenn, CPA

Teresa Cieslik, CPA.

Teresa Cieslik, CPA

Sandy Haupert, Staff Accountant.

Sandy Haupert, Staff Accountant

Martha Espinoza, Office Administration.

Martha Espinoza, Office Administration

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Starting a business? Visit our Corona, CA, office, or call 951-737-1731 for a consultation.

Our Values

At Cieslik & Glenn, Certified Public Accountants, Inc., we understand just how vital it is to manage your finances, and we don’t take that responsibility lightly. That’s why we always go above and beyond to thoroughly educate our clients along the way, using all available resources. We focus on:

Building partnerships

We work with you directly and consult you every step of the way.


We hold ourselves and our team members accountable to the ethics expected of our titles.


Meeting your goals isn’t enough for us! We want to exceed your expectations.


We won’t settle for a quick fix or simple answer. We will solve even your trickiest financial issues head-on, with a plan to carry you to the future.

Check out our blog to learn more about current financial events!

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We Promise To:

Respond Quickly

We know how important timeliness is when it comes to your finances. We will always get back to you as soon as possible.

Answer Your Questions

We will fully explain and educate you on every step of our process.

Meet Your Deadlines

We file all returns by the deadlines imposed by tax authorities, organizations, and banks.

Respect Confidentiality

Your finances are your personal information, and we will never share that information. As simple as that.

Educate Ourselves

We consistently study updated industry literature and attend seminars to make sure we have only the most accurate, up-to-date knowledge.


My husband Nader and son Robbie met with Ms. Teresa this morning they are still talking about how pleased they are with the advice and services they received. We are in business over 42 years and do not give praise unless it is due and deserved. Cieslik and Glenn and their office manager Martha are outstanding and are a credit to their profession , we highly recommend their office and are proud to be their clients. God’s speed”

Amira A.

Easiest and friendliest ladies to work with! Very professional!”

Janette L.

The whole staff is amazing and sweet! They’re so professional and make you feel so welcomed 💜”

Jessica A.

Susan Glenn CPA, with her partners and staff, over the past 25+ years, have been the greatest. Thank you!”

Art M.

To learn more about how our team can help make sense of your finances, contact us today at 951-737-1731.