850.610.7471 Shalimar
850.610.4585 Crestview

Proudly Serving Florida’s Emerald Coast

Since 1978

Why Hire Us? How Can We Help You? Schedule a Consultation

Nickolas G. Petersen

Of Counsel Okaloosa County Attorney

Mr. Petersen has worked as a police officer, deputy sheriff, firefighter (urban and forest), and Assistant State Attorney. He was in Underwater Demolition II and Seal Team One with three tours in Vietnam.

Mr. Petersen has completed 13 capital criminal cases (death penalty cases), and well over 100 felony jury and judge trials. He has extensive experience in felony and misdemeanor representation.

Mr. Petersen is a Child Support Enforcement Hearing Officer for Okaloosa and Walton Counties, Florida, a position he has held since 2004.

  • Areas of practice:
  • Criminal law
  • Civil litigation

Board certified legal specialties:

  • Criminal Law, Supreme Court of Florida

Bar admissions:

  • Florida, 1977
  • U.S. District Court Northern District of Florida, 1978
  • U.S. District Court Middle District of Florida, 2009
  • U.S. Court of Appeals 11th Circuit, 1981
  • U.S. Court of Appeals 5th Circuit, 1981


  • Nova University Center for the Study of Law, Fort Lauderdale, Florida
    • J.D. – 1977
  • Idaho State University, Pocatello, Idaho
    • B.S.
    • Major: Sociology

Past employment positions:

  • Pocatello Police Department Idaho, Patrolman, 1971 – 1972
  • Bannock County Sheriff’s Department, Idaho, Deputy Sheriff, 1972 – 1974
  • State Attorney’s Office, Okaloosa County, Assistant State Attorney, 1977 – 1979

Pro bono activities:

  • Okaloosa/Walton Bar Association – Pro Bono Award, 1993

Learn more about how Nickolas G. Petersen can help you when you call 850.610.7471 to schedule a consultation at Chesser & Barr, P.A. today.

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You will recieve a confirmation email within 24 business hours. If you do not please call 850-683-9945 and ask to speak with Joanna Drake. Thank you.

A History of Proven Legal Advocacy

For decades, the Okaloosa County attorneys at Chesser & Barr, P.A. have been committed to providing clients with results-oriented representation. Our clients come to us when facing sensitive legal issues and they seek cost-effective, practical, and efficient resolutions. Since our firm’s founding, we have always put the rights and interests of our clients first, and this is reflected by our happy clients, proven results, and professional accolades.

Why Hire Us?

  • Board Certified Real Estate Specialist
  • Board Certified in Civil Trial Law
  • Board Certified City, County, & Local Government Law
  • Board Certified Certified Court Mediators
  • Super Lawyers®
  • AV® Rated by Martindale-Hubbell®
  • LegalElite Best for Trade Law – Florida