Prior to joining Johnson & Johnson, Marene was Chief Security Officer and Vice President for Medco, the largest pharmacy benefit manager in the United States. Marene was responsible for all aspects of the company's security, regulatory compliance including physical and logical security, and executive protection as well as HIPAA, Payment Card Industry, Medicare, prescription fraud, and IT controls.

Prior to that, Marene was with Avaya as head of Global Security where she worked on securing the World Cup network in Korea and Japan in 2002. Before joining Avaya, she was Vice President of Loss Prevention and Safety for the Great Atlantic and Pacific Tea Company. Before joining the corporate world, she served as a Special Agent in the FBI working on undercover drug operations in Newark, NJ, and also working on terrorist bombings in San Diego, CA. She developed and participated in the nuclear terrorism exercise, Compass Rose ’88, the largest mock terrorism incident exercise by the federal government.

Marene has a Bachelor of Science degree from The United States Military Academy at West Point, in the first class to include women. She has served in the US Army in the Military Police at Ft Hood, TX, Ft Chaffee, AR and Ft McClellan, AL. She has served on the Defense Advisory Committee on Women in the Services appointed by the Secretary of Defense and the Overseas Security Advisory Committee appointed by the Secretary of State. Marene is a founding member of West Point Women and currently serves on their Board of Directors. She is also on the Board of Directors for H-ISAC (Health Information Sharing and Analysis Center) and ASIS International. Marene is married, has a son, a wonderful daughter-in-law and grandson, and lives in Bucks County, Pennsylvania.