Samuel P. Kastner is a senior partner in Holland & Knight's Business Law Section in the firm's Washington, D.C., office. He has more than 30 years of experience in corporate, finance, securities, tax and business law, with an emphasis on providing business and tax planning advice to corporations, partnerships, limited liability companies and individual clients.

In recent years, the majority of Mr. Kastner's practice has been representing clients in connection with the planning, negotiating and preparing of documents related to the formation, merger, acquisition, sale and divestiture or dissolution of business entities; limited liability company operating agreements for real estate transactions; venture capital transactions; business succession and estate planning matters; shareholder agreements, executive compensation arrangements, including stock option plans, employment agreements, consulting contracts, license and development agreements, loan agreements and other commercial contracts. In addition, he has experience in various securities law transactions, including private placement memoranda, registration statements for initial and secondary public offerings of securities under the Securities Act of 1933 and periodic company and shareholder filings under the Securities Exchange Act of 1934.

Mr. Kastner has published numerous articles, and he is also the author of "Planning Techniques for Avoiding Dealer Status and Preserving Capital Gain."

Before joining Holland & Knight as a partner in 2001, Mr. Kastner was a partner for 10 years with two separate mid-size Washington, D.C., law firms. Prior to that, he was a partner for seven years in the Washington, D.C., office of a large New York-based law firm (as well as its predecessor and successor firms), and before attending law school, he was an accountant with a "Big 8" accounting firm.

Representative Experience


  • Georgetown University Law Center, J.D.
  • Binghamton University, B.S., Accounting
  • Georgetown University Law Center, LL.M., Taxation
Bar Admissions/Licenses
  • District of Columbia
Court Admissions
  • U.S. Tax Court
  • Bar Association of the District of Columbia
  • American Bar Association, Section of Taxation
  • American Bar Association, Section of Corporation, Banking and Business Law
Honors & Awards
  • Martindale-Hubbell AV Preeminent Peer Review Rated