Captain Marie S. Senzig (b. 1957) of Baraboo, Wisconsin, served in the United States Navy Nurse Corps from 1980-2008. Marie Senzig was born and raised in south central Wisconsin. During college, she worked as a nursing assistant at a local hospital, and decided to join the United States Navy upon graduation.

Beginning in October 1980, Senzig spent six weeks at Officer Development School, Officer Training Command Newport, Rhode Island. Her first duty station was in Millington, Tennessee, where she worked in an obstetrics ward, before being transferred to Roosevelt Roads Naval Station in Puerto Rico, where she was assigned to the nursery and assisted with labor and delivery until 1985.

From 1985 until 1988, Senzig was stationed at the National Naval Medical Center in Bethesda, Maryland, and in 1990 she received her master's degree in obstetrics from Catholic University. She then began work in Charleston, South Carolina, as the Division Officer of Labor and Delivery, before transferring to La Maddalena, Sardinia, in 1993 to be the officer in charge of their clinic.In 1995, Senzig was assigned to Washington State and served at both Naval Submarine Base Bangor and Naval Hospital Bremerton.

From 1998 until 2000, Senzig was stationed in the Mariana Islands, Guam, and then spent 2000 until 2003 at the Naval Medical Center in San Diego, California.From 2003 until 2005, Senzig was stationed in Keflavík, Iceland, where she helped with infant deliveries and acted as the executive officer and commanding officer if needed.

Senzig's final duty station was Marine Corps Base Camp Lejeune, North Carolina, where she worked as the Deputy Director of the branch clinics, completed fitness reports and evaluations for the corpsmen, and eventually became the quality manager of Naval Hospital Camp Lejeune, before retiring in November 2008.