Mr. Sierzega was born and raised in the Lehigh Valley in Pennsylvania. He graduated as a National Merit Scholar from Whitehall High School in Whitehall, Pennsylvania.

Mr. Sierzega attended Villanova University, where he graduated with a Bachelor of Arts degree. During his time there, Mr. Sierzega was President of Sigma Nu Fraternity, as well as the Treasurer of the Interfraternity Council

Mr. Sierzega attended Villanova University School of Law, graduating in 1995. He then practiced at a defense firm in Cherry Hill, and later headed the commercial department at a firm in Woodbury. Mr. Sierzega has over 15 years of experience as a practicing New Jersey attorney.

Mr. Sierzega took the opportunity to join Puff & Cockerill at the beginning of 2008. His practice consists of all types of litigation, with an emphasis on estate, commercial, insurance, personal injury and real estate matters. Mr. Sierzega also handles wills and trusts, and estate administration. Mr. Sierzega is a former Chair of the Gloucester County Civil Practice Committee and is President-Elect of the Gloucester County Bar Association.

Mr. Sierzega lives in West Deptford with his wife Beth and daughters Alexa and Taylor.