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About me

DAVID H. ALEXANDER is a partner with Gross, Shuman, Brizdle & Gilfillan, P. C., a

 law firm with offices in Buffalo, New York and a GTA office in Burlington, Ontario.

Mr. Alexander is a graduate of the University of Pennsylvania (Wharton School of Finance andCommerce) and Cornell University Law School. Mr. Alexander is in charge of the firm's Estatesand Trusts Department and is regularly involved in estate planning (in the United States andCanada), probate matters, will contests and estate litigation. He also has expertise andsubstantial experience in corporation law, New York and federal income taxation (individual,business and international tax), securities regulation, immigration and public finance. He wasadmitted to practice before the New York Bar in 1973, the U.S. District Court of WesternDistrict of New York in 1975, the Florida Bar in 1976 and the U.S. Tax Court in 1979 and as aForeign Legal Consultant in Ontario in 2005. He was selected for New York Super LawyersUpstate Edition 2008-2016 New York Area’s Best Lawyers and  Best Lawyers in America 2009-2016.


Practice areas


  1. International Law: 20%
  2. Business: 20%
  3. Trusts: 20%
  4. Estate Planning: 20%
  5. Wills: 20%

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Contact info

Gross Shuman Brizdle & Gilfillan PC

465 Main St Ste 600
Buffalo, NY, 14203-1713

Gross Shuman

5500 Main Street: Suite 308A
Williamsville, NY, 14221

Gross Shuman Bizdle & Gilfillan PC

1100 Burloak Drive, Suite 300
Burlington, Ontario , Canada, UM, L7L 6B2



FLMember in Good Standing197606/17/2016
NYCurrently registered 197303/07/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
David H AlexanderBest Lawyers2009
David H AlexanderSuperLawyers2008
Association namePosition nameDuration
US Tax CourtAdmitted to Practice1979 - Present
Bar Association of Erie CountyMemberN/A
American Bar AssociationMemberN/A
New York State Bar AssociationMemberN/A
Florida Bar AssociationMemberN/A
Erie County Bar Association, Surrogate's Court Practice and Procedure CommitteeChairman2011 - 2014
School nameMajorDegreeGraduated
Cornell Law SchoolN/AJD - Juris Doctor1972
Wharton School, University of PennsylvaniaEconomicsBS - Bachelor of Science1969
Speaking engagements
Conference nameTitleDate
McQuillan Insurance Group: Cobourg, ONT"Canada-US Tax Issues that affect the use of Life Insurance"2015
Halton County Law Association: Oakville, ONT"US Estate Planning-An Update"2015
Entrepreneurial Chartered Accountants: Oakville, ONT"Canada and the United States: Cross-Border Estate Tax Planning"2014
TD Waterhouse Private Clients: Burlington, ONT"Canada and the United States...Cross-Border Estate Tax Planning"2013
Tax Planning Seminar: Ellicottville NY"Canada and the United States...Cross-Border Estate Tax Planning"2013
Assante Wealth Management Private Wealth Clients: Toronto, ONT"Estate Planning for Canadians Owning US assets: Emerging from the Fiscal Clff"2013
HSBC Private Bank clients: Hamilton, ONT"Canada and the United States....Cross-Border Estate Planning"2011
RBC Private Wealth Department: Toronto, ONT"Canada and the United States: Cross-border Estate Planning"2010