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Gardner Oleson

Your Trusted High-Tech Fractional CFO and Practice Leader

Gardner Oleson serves as a high-tech CFO for our clients. You can count on his 40 years of experience in finance and accounting for technology companies to steer your organization toward success. Gardner's diverse financial background in the communications industries and public accounting is invaluable if you'd like to go public. 

With his high-tech financial consulting services, you can receive the support you need, whether on a part-time basis or a project consulting basis.  Gardner has held leadership positions at a few well-known, high-tech organizations, including Verizon, BBN Technologies, and Frontier Communications. He is a CPA with a B.B.A. in accounting from Hofstra University and an M.S. in taxation from Bentley University. 


Successful growth in the high-tech sector requires assessing and adapting quickly as the industry evolves. A trusted partnership with us can help your organization achieve thoughtful and nimble leadership that leads to timely recommendations and accurate financial data.

With our high-tech fractional and interim CFO services, you’ll be able to take your organization to new heights. You can depend on us to oversee every aspect of your finances and administration, no matter where you are in your life cycle, including:

  • monthly accounting support

  • revenue recognition

  • lengthy product development cycles 

  • SEC reporting

  • raising capital

  • cash flow forecasting

  • mergers and acquisitions

  • business integration

  • taxation

Network Hub and Cable


“As a serial entrepreneur, having a high performing, flexible, and driven team is essential for transforming ideas into success. Charles River CFO has been a part of my team for over 10 years, providing outstanding strategic, part-time CFO and accounting services. Their knowledgeable practice leaders bring years of complex financial experience to start-up companies.”

Shahid Azim