Richard H.S. Sing was born and raised on Oahu and on the Island of Hawaii. He attended the Kamehameha Schools, and is a 1986 graduate of the Hawaii Preparatory Academy in Waimea, Hawaii.

Mr. Sing received his Bachelor’s Degree in 1990 from the University of California, Santa Barbara, where he majored in Law and Society. Mr. Sing received his law degree from the William S. Richardson School of Law, University of Hawaii at Manoa in 1995. While at University of Hawaii, Mr. Sing was a Member and  Comments Editor of the University of Hawaii Law Review.

Through 28 years of criminal defense practice, Mr. Sing has handled all levels of criminal defense in all jurisdictions within the State of Hawaii. He has extensive experience in misdemeanor matters, criminal family court matters, and complex felony cases. Mr. Sing had spearheaded the successful defense of many difficult cases including high publicity matters, white-collar crimes, public corruption cases, serious violent felonies, and drug prosecutions.  Mr. Sing also focuses on the difficult and tumultuous area of restraining order prosecution and defense, as well as administrative and licensing matters related to professional misconduct.

Mr. Sing is the past president of the Hawaii Association of Criminal Defense Lawyers (HACDL), and is currently its vice president. He is also the past chairperson of the Criminal Justice and Corrections Section of the Hawaii State Bar Association.  Mr. Sing is a former member of the Disciplinary Board of the Hawaii Supreme Court and a current member of the Hawaii Judicial Selection Commission.  Mr. Sing is a frequent speaker and presenter on various topics related to criminal law, and was recently inducted as a fellow into the American College of Trial Lawyers.