McCormick & O'Brien, LLP
Solutions to Problems

Harry Delagrammatikas



Harry Delagrammatikas
Senior Counsel
d: 212.320.8972 x 704

Practice Areas

Harry Delgrammatikas leads the enforcement and regulatory defense and compliance practice at the Firm.

Harry Delagrammatikas is Senior Counsel to the Firm. As an Assistant Vice-President at Salomon Smith Barney’s Legal and Compliance Department, Harry investigated and responded to sales practice complaints forwarded by clients and their representatives regarding activity in retail brokerage accounts. Harry answered regulatory inquiries from state agencies, self-regulatory organizations and the SEC on behalf of the brokerage firm. Additionally, Harry assessed potential liability associated with sales practice complaints and recommended settlement offers. As an Assistant General Counsel at UBS PaineWebber, Harry responded to requests for mediation, prepared cases for arbitration and assisted in the settlement of significant matters. Harry previously possessed Series 6 and Series 63 licenses.  

Harry has provided counsel to clients in FINRA arbitration and mediation proceedings involving customer allegations of sales practice violations and various industry business disputes.  In addition to compliance and litigation, Harry has enjoyed multiple years of experience counseling financial services clients in employment and labor law.


  • St John's University School of Law
    J.D. 1995

  • NYU College of Arts & Science
    B.A. 1992 cum laude


  • Hellenic American Bankers Association

  • Hellenic Lawyers Association


  • New York