Daniel S. Jahnsen

Commercial Litigation Department
Group Head, Professional Liability Defense Group
Daniel S. Jahnsen

“Is my philosophy that a great attorney must be honest, confident, analytical, attentive, trustworthy, responsive and have a great work ethic. I bring these qualities to each case and work toward solutions in a timely and economical fashion. Additionally, my time spent on various business and charitable boards ”




  • New Jersey
  • Federal District Court of New Jersey


  • J.D., Seton Hall University School of Law
  • B.A., Seton Hall University, Political Science


  • WISA
  • Defense Research Institute
  • PLUS
  • CLM

Mr. Jahnsen is a partner in the Firm’s Commercial Litigation Department. He is a skilled and seasoned trial attorney who has amassed over 200 jury verdicts and has participated in numerous Appellate and Supreme Court decisions on issues ranging from evidence, negligence, insurance and trial practice. Mr.  Jahnsen’s reputation as a successful trial attorney gives him the unique ability to effectuate settlement and/or negotiate innovative agreements in matters that would otherwise involve significant potential for excess exposure to the client.

Mr. Jahnsen represents clients in a full range of civil and commercial litigation matters, including matters involving professional malpractice, general liability, public entity, hospitality and entertainment, employment, coverage, reinsurance disputes, and constitutional law issues.

In addition to being a successful trial attorney, Mr. Jahnsen is also certified as a mediator by the Program on Negotiation at Harvard Law School. He is frequently utilized by the courts in the mediation of personal injury negligence, professional negligence and has served on the Superior Court of New Jersey Monmouth County Blue Ribbon Settlement panel.

Before joining the Firm, Mr. Jahnsen was a founding partner at Bolan Jahnsen Dacey ESQS between 1996 and 2023.

Mr. Jahnsen has presented lectures to New Jersey Institute of Continuing Legal Education, CLM’s National conferences on issues of trial practice, evidence, and effective cross-examination of forensic witnesses.  He has further been called upon to lecture claims professionals across the county and at Lloyd’s of London on negotiation techniques & strategies, Contractual Risk Transfer, and Trial Strategy.

New Jersey Surplus Lines Association Board member

New Jersey State Bar Association

American Bar Association

+2 650-603-0553