Constantine “Dean” P. Tsagaris

Constantine P. Tsagaris is a civil litigation and trial lawyer with extensive experience in a wide variety of civil law areas with a focus on personal injury and employment matters. As lead counsel, Constantine has tried cases in both state and federal courts. He has represented clients in hearings before the Labor Commissioner, arbitrations, and restraining order hearings.

Practice Areas

  • Personal Injury
  • Employment Law
Constantine “Dean” P. Tsagaris


Mr. Tsagaris has negotiated settlement and resolution of hundreds of legal matters and has participated in hundreds of private and court settlement conferences and mediations.  Mr. Tsagaris is a graduate and fellow of the ABOTA National Trial College. His negotiation training includes the Executive Education - Negotiation and Leadership Program at the Program on Negotiation at Harvard Law School. Prior to joining GFF&F, Mr. Tsagaris spent almost fifteen years advocating on
the behalf of his clients with another local San Mateo firm with an excellent reputation.

Mr. Tsagaris has also been recognized by his peers and local legal community.  He has been recognized numerous times as a Rising Star by Northern California Super Lawyers and serves on the Board of Directors of the San Mateo County Bar Association.  He recently completed his term as the President of the San Mateo County Trial Lawyers’ Association, after 10 years of service, and continues to serve on its Board of Directors.