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CNM LLP Expands IT Audit and Advisory Group in Orange County with Appointment of Thomas Grimberg

By September 28, 2018November 12th, 2018No Comments

Woodland Hills, California – September 26, 2018 – CNM LLP is pleased to announce the addition of Thomas Grimberg as Practice Leader within its IT Audit and Advisory group. Thomas will be responsible for overseeing project teams by reviewing and assessing the IT environments, risks and controls pertaining to Sarbanes-Oxley compliance, internal audit projects, and SSAE 18 compliance for companies that range from newly public high-growth entities in rapidly changing environments to the largest entertainment and public companies.

Thomas brings 22 years of experience in internal audit, regulatory compliance, IT security, enterprise risk management, and data analytics to CNM, with primary expertise in SOX compliance, enterprise risk assessments, and IT security.

Prior to joining CNM, Thomas served as a director at Western Digital Corporation, where he oversaw the IT and security functions within the internal audit department as well as the company’s enterprise risk management program. Thomas planned and led all IT, security, data analytics, and enterprise risk related to audits, assessments, and investigations. He also played an integral role in acquisitions and large IT related projects to help guide integration, development, and implementation of systems and services to a compliant state. Earlier, Thomas served as a senior consultant within the enterprise risk service department at Deloitte, where he planned, lead, and performed SOX IT assessments as both the internal and external auditor. Prior to Deloitte, Thomas was an IT consultant for a small firm in Scandinavia, where he spent eight years providing help, support, and guidance for IT related projects, developments, and implementations.

“Thomas brings a wealth of knowledge and technical expertise to CNM and he will be a tremendous resource to our practice – both our staff and teams and our clients across industries,” said Nathan Matthews, Managing Partner of CNM LLP.


Founded in 2003, CNM LLP is recognized as one of the premier technical advisory firms in Southern California. We provide high value, specialized accounting advisory services to a broad client base ranging from startups and closely held mid-market companies to professional services firms and multi-national Fortune 500 companies. Our three concentrated areas of service are:

  • Accounting and Transaction Advisory
  • Compliance and Risk Advisory
  • IT Audit and Advisory

As an organization of professionals, our mission is to understand the business of our clients, to help our clients identify their business and financial needs, and to provide the services that will help them achieve their business goals. We are committed to providing the most effective services possible, efficiently and expeditiously, while always maintaining our ultimate focus on our clients’ needs and objectives.

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