Leonard Dietzen concentrates his practice on collective bargaining, education law, labor issues for school boards and all aspects of employment law for both private and public sector employers. From consulting with clients to representing them in administrative proceedings and litigation, his practice encompasses the full spectrum of activities attendant to the employment relationship.

Leonard serves as school board attorney for both Suwannee and Walton County School Boards and also provides counsel to numerous school superintendents throughout  Florida. He is well versed in the state and federal statutes governing the employment relationship. He also serves as General Counsel to the Florida School Boards Association (FSBA) and is a frequent presenter to numerous education associations. In addition, Leonard advises K–12 school districts on the development and implementation of policies governing artificial intelligence, helping education leaders navigate compliance requirements and the practical considerations of AI use in schools.

Leonard serves as chief negotiator for numerous school boards during union negotiations. He also assists employers with union grievances and administrative claims brought before the Florida Public Employer Relations Commission (PERC).

Leonard is an experienced litigative consultant on claims under Title VII of the Civil Rights Act including those alleging discrimination based on race, religion, gender, national origin and pregnancy. He has represented clients in state and federal courts against claims brought under 42 U.S.C. Section 1981, 1983 and 1985 and in cases brought under the Age Discrimination and Employment Act (ADEA), Family Medical Leave Act (FMLA), and Florida Civil Rights Act, Chapter 760.