Lina O'Brien

Lina O’Brien, CPA

Manager, Internal Accounting
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Lina O’Brien is a Certified Public Accountant (CPA) with an extensive accounting background including experience in the Real Estate and Not-for-Profit industries. She serves as the Internal Accounting Manager at CDH.

Lina is responsible for managing the firm’s internal accounting processes and workflow of projects.  She also assists the CFO with annual budgets and has been instrumental in leading the implementation and customization of Sage Intacct and other software for internal use.

When she has free time, Lina enjoys traveling and photography as she appreciates meeting new people and learning about and capturing the beauty of the culturally diversified areas in and out of Chicagoland.  She is originally from Trakai, Lithuania and is active in Chicago’s American-Lithuanian community.  She currently resides in the Chicago suburbs with her husband, James, and their dog, Sparky.

Lina has a Bachelor of Science in Accountancy from Northern Illinois University and is a Certified Public Accountant (CPA).


  • Certified Public Accountant, Illinois


  • Illinois CPA Society


  • Northern Illinois University, B.S. Accountancy


  • English
  • Lithuanian
  • Russian
  • Polish

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