About Us

Mark Cummins

Mark Cummins, CPA

Mark Cummins, CPA has over 20 years experience in the accounting, tax, finance and
systems areas. Currently Mr. Cummins owns and manages a full service accounting, tax
and auditing practice. Some of the services his firm provides include financial audits for
corporate and non-profit organizations, forensic audits, tax preparation and tax strategy,
and business valuations. Originally a Big 4 CPA at Ernst and Young, Mr. Cummins has
held corporate positions as a Corporate Controller, CFO and Chief Information Officer
for both public and private companies. He has worked for a diverse group of companies
including Zenith Insurance, Fremont Insurance, Countrywide, and Paramount Pictures.
As a Senior Financial Consultant for DLC Inc., Mr. Cummins was involved with a variety
of large scale auditing, tax, forensic accounting and financial engagements. He also
as extensive experience with the IRS, both in Tax Court and as a tax advocate. He is
a Certified Public Accountant and holds a B.S. in Accounting and Information Systems
from Cal State Northridge.

Forensic Experience

Mr. Cummins has extensive experience as a forensic and fraud auditor. He has lead or
performed over 50 forensic and internal control audits, including criminal fraud audits
for corporations and law firms. He is one of the few CPA’s in Southern California with
experience in criminal fraud defense for corporations. As part of the CPA continuing
education, he has taken over 50 hours of specific course work in forensic, fraud, and
internal control structure.


Katerina Donckels

Senior Accountant for Mark Cummins CPA

Katerina Donckels holds a degree in Accounting and Economics from Moscow State
University of Economics and graduated with honors. She worked in Moscow for the
International Division of Deloitte and Touche as a Senior Tax Accountant, working for
clients such as Campbell Soup, Bridgestone Tire, and Merrill Lynch. She moved to the
United States in 2009 and worked for HR Block for two tax seasons before joining Mark
Cummins CPA in January of 2011 as a Senior Accountant. She is a Certified Tax
Preparer and a Certified Quickbooks Pro. She currently is a candidate for an Enrolled