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RALLIS * SEGUNDO is committed to providing premier service to clients around the world.

We adhere to strict ethical and professional guidelines as Members of the AICPA (

We emphasize corporate / partnership / trust income tax, wealth transfer (estate / gift) planning, asset protection, and retirement planning. 

We coordinate with all the other professionals - attorneys, bankers, financial advisors, visa consultants, etc. - to help ensure each client's unique circumstances receive a holistic approach.






John is a Certified Public Accountant (Florida, License #25381 issued 1993) and Shareholder of RALLIS * SEGUNDO, P.A.  


From 1993-2001 he was Managing Partner of Rallis & Perez, P. A., a CPA firm he co-founded after first serving at Price Waterhouse (where his clients included The Walt Disney Company).


In 2001, John was appointed Principal Consultant in the Tax and Legal Services Division of PricewaterhouseCoopers LLP where his clients included Universal Studios and Ripley’s Believe it or Not!


Twice recognized as a "PricewaterhouseCoopers All-Star," he also served as an instructor in the PwC Continuing Professional Education program.


He founded RALLIS * SEGUNDO, P. A. to bring a Big Four approach to the often-complex needs of under-represented smaller markets.  Based in Orlando, John not only helps clients here in the US, but has clients from Australia, Europe, the Middle East, and South America.


John has a BBA from Emory University, an MBA from the University of Florida, and has done postgraduate work in Taxation at the University of Central Florida.


As an Adjunct Professor at Valencia College, John served as Faculty Internship Supervisor and continues to serve on the Valencia Accounting (Curriculum) Advisory Committee.

John served on the Board of Directors of Hospice of Central Florida, the YMCA, Holy Trinity Greek Orthodox Church, and Psaltiki, Inc. (where he currently serves as Treasurer).

He has also volunteered with the Heart of Florida United Way (as Price Waterhouse’s “Loaned Executive”), the Downtown Orlando Rotary Club, and MD Anderson's Ambulatory (Cancer) Treatment Center.  He is also a Member of the American Hellenic Progressive Association (“AHEPA”).

John maintains Memberships in the Tax Section and the Personal Financial Planning Section of the American Institute of CPAs.  He was recognized in 1996 by Marquis Who's Who in Industry and Finance and again in 2004 by National Register's Who's Who.  He is also Secretary of the Central Florida Tax Roundtable.

He received the PFS ("Personal Financial Specialist") credential in 2016.  PFS status is given only to those CPAs who pass certain education and experience requirements and pass a comprehensive competency examination.

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