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About Me

Parker Sinclair is an associate in Squire Patton Boggs’ Global Corporate Practice. Parker counsels clients on a variety of corporate matters, including mergers and acquisitions, reorganizations, commercial contracts, and corporate governance. He represents clients across a wide range of industries, including manufacturing, energy, technology, and real estate.

Prior to joining Squire Patton Boggs, Parker worked for a Fortune 20 company where he focused on domestic tax planning and M&A due diligence.

Parker is an active member of the community and serves on the Executive Board of the Red Shoe Society of the Ronald McDonald House Charities of Central Ohio. 


Practice Areas


  1. Mergers & Acquisitions: 50%
  2. Contracts & Agreements: 25%
  3. Corporate & Incorporation: 20%
  4. Tax: 5%

Attorney Endorsements

3 total 

  • Peter Daniel Antonoplos

    Parker is a pleasure to work with. He is a dependable and talented attorney with excellent client communication skills. His focus and attention to detail is real asset to his clients.


    Peter Antonoplos Estate Planning Attorney
    Relationship: Supervised lawyer

  • Eric Paul Gros-Dubois

    Parker has worked for me for over 2 years. He will work tirelessly for his clients, and has put his George Washington and Georgetown education to good use. He consistently matches wits with IRS Auditors, providing outstanding outcomes on a regular basis.


    Eric Gros-Dubois Tax Attorney
    Relationship: Supervised lawyer

Contact Info

Squire Patton Boggs (US) LLP

2000 Huntington Center
41 S. High Street
Columbus, OH, 43215



Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Award NameGrantorDate Granted
Excellence for the Future AwardCALI2011
Work Experience
TitleCompany NameDuration
AssociateSquire Patton Boggs (US) LLP2014 - Present
Attorney, Tax PlanningCardinal Health2012 - 2014
ConsultantKPMG LLP2011 - 2012
AttorneyJDKatz, P.C.2010 - 2011
Law ClerkJDKatz, P.C.2009 - 2010
Association NamePosition NameDuration
Ohio State Bar AssociationMember2015 - Present
Red Shoe Society of the Ronald McDonald House CharitiesMember2012 - Present
Publication NameTitleDate
State Tax NotesThe Case Against Tax Amnesties2010
School NameMajorDegreeGraduated
Georgetown University Law CenterTaxationLL.M - Master of Laws2011
George Washington University National Law CenterLawJD - Juris Doctor2010
University of Michigan, Ann ArborEnvironmental StudiesBA - Bachelor of Arts2005