silverJohn is a silver member
Exclusive IR Global advisor for Crypto and Digital Asset Advisory and Tax (Accountants) in Oklahoma since 2016

John Curzon

Founding Partner, CCK Strategies, PLLC

+1 (918) 491-4036


John E. Curzon’s major areas of practice through which he delivers intentional and strategic results include: merger and acquisition consulting; succession planning; business and tax advisory and business valuations.

John is involved with a number of forward-looking organizations that allow him to connect his knowledge and expertise with his passion for leadership. Curzon is a member and Past Chair of the Oklahoma Governor’s International Team (OKGIT) and a founding collaborator of the Network of International Creative Entrepreneurs initiative (NICE) – two efforts that are expanding Oklahoma’s influence beyond US borders. John is also chairman of the OSCPA Editorial Board of CPA Focus Professional Magazine and is a contributing author. He is a member of the Tulsa Region Board of Directors for Junior Achievement of Oklahoma, which works to develop entrepreneurship in students. John is a member of the Board of Directors for Asbury Scouts Leadership Foundation, working to promote and develop scouting and its goals and activities.

John is a Certified Public Accountant accredited in Business Valuation and is a Chartered Global Management Accountant. He is a Certified Valuation Analyst and a Certified Merger & Acquisition Advisor. Curzon holds a Bachelor of Science degree in accounting and business administration from the University of Kansas.

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About CCK Strategies, PLLC

CCK Strategies, PLLC

Areas of Expertise:– Accounting services- Audit and Assurance Services- Investigative Due Diligence- Mergers & Acquisitions- Tax Accountants- Business Advisory Services- Forensic Accounting- Offshore Services

CCK was founded in 1997 by three young partners motivated to build a new type of CPA firm. John Curzon, Terry Cumbey, and Eric Kunkel took a big risk, leaving successful existing positions to form a new firm – one founded on the principle of “service.” The three established CCK, and in 2002, became members of the nationally recognized McGladrey Alliance of exceptional accountancy practices.

Over the years, CCK has continued to grow in staff, as well as in depth of experience and service offerings. Today, the CCK team is comprised of nearly 90 individuals who work together to provide strategic planning solutions to new and repeat entrepreneurs to grow and add value to their businesses.

While we’re proud of our heritage, we at CCK are also excited about the future and look forward to many more years of helping our clients succeed and accomplish their business goals for the future.

CCK Strategies has received recognition as a President’s E Star Award for Export Service winner for 2020.

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Exclusive IR Global advisor for Crypto and Digital Asset Advisory and Tax (Accountants) in Oklahoma

8811 S. Yale Ave., Suite 400, Tulsa OK 74137


  • Eric Kunkel, CPA/ABV/CFF/CGMA, CVA, MBA
    Tax (Accountants) and Transfer Pricing in Oklahoma

    Eric Kunkel, CPA/ABV/CFF/CGMA, CVA, MBA

    silverEric is a silver member
    Founding Partner, CCK Strategies, PLLC
  • Kaitlin Flinn
    Tax (Accountants) and Transfer Pricing in Oklahoma

    Kaitlin Flinn

    bronzeKaitlin is a bronze member
  • Haley Legg, CPA
    Rising Star in Oklahoma

    Haley Legg, CPA

    Rising StarHaley is a Rising Star
    Audit & Assurance Division Leader, CCK Strategies, PLLC