Clinical Site Services

Chris established Clinical Site Services (CSS) in 2005 with a mission to address the pharmaceutical industry’s need for site-specific enrollment solutions. As President of CSS, Mr. Trizna provides clients with clinical trial consultation and directs the patient recruitment services for pharmaceutical companies, CROs, SMOs and investigative sites. He has more than 17 years of experience providing services in the “direct-to-consumer” marketing arena, with 11 years concentrated in the pharmaceutical clinical trial industry solving patient recruitment and retention challenges for clients. Mr. Trizna has implemented more than 200 large-scale recruitment initiatives, and has worked with many of the top pharmaceutical companies, CROs and SMOs, in addition to hundreds of investigative clinical sites.

Prior to founding CSS, Chris held the title of Vice President of Operations at Pharmaceutical Research Plus and also served on the executive management board, providing corporate strategic planning. While at PRP, his responsibilities as VP/Operations included strategic recruitment planning, media planning and placement, community awareness planning and execution management, overseeing creative development and production of advertising materials, call center management and clinical site communications.

Mr. Trizna received his Bachelor of Science in Business Administration from Virginia Commonwealth University. He is a member of ACRP, as well as a member of the Baltimore/Washington ACRP chapter.


Chris Trizna		Chris established Clinical Site Services (CSS) in 2005 with a mission to address the pharmaceutical industry’s need for site-specific enrollment solutions. As President of CSS, Mr. Trizna provides clients with clinical trial consultation and directs the patient recruitment services for pharmaceutical companies, CROs, SMOs and investigative sites. He has more than 17 years of experience providing services in the “direct-to-consumer” marketing arena, with 11 years concentrated in the pharmaceutical clinical trial industry solving patient recruitment and retention challenges for clients. Mr. Trizna has implemented more than 200 large-scale recruitment initiatives, and has worked with many of the top pharmaceutical companies, CROs and SMOs, in addition to hundreds of investigative clinical sites. Prior to founding CSS, Chris held the title of Vice President of Operations at Pharmaceutical Research Plus and also served on the executive management board, providing corporate strategic planning. While at PRP, his responsibilities as VP/Operations included strategic recruitment planning, media planning and placement, community awareness planning and execution management, overseeing creative development and production of advertising materials, call center management and clinical site communications. Mr. Trizna received his Bachelor of Science in Business Administration from Virginia Commonwealth University. He is a member of ACRP, as well as a member of the Baltimore/Washington ACRP chapter.