Marguerite O’Brien is a member of the leadership team of the Congregation of St. Joseph. As Treasurer, Sister Marguerite has helped to merge the finances and develop new financial practices for seven religious communities that formed the new Congregation of St. Joseph in 2007.   Most of Marguerite’s life has been spent in West Virginia – growing up, studying and then entering the Wheeling congregation.  Her undergraduate degree is in chemistry, and after teaching high school science she became a licensed Medical Technologist.  She returned to the classroom as a faculty member at Fairmont State College and Wheeling Jesuit University where she taught Medical Technology and served as a Resident Counselor in a College dorm for 15 years.  During the 1980’s, Marguerite served as Vocation Director until she was called to leadership in the congregation of the Sisters of St. Joseph of Wheeling where she served as Vice President and later President.  Her  graduate degrees are in Clinical Chemistry from Ohio State University and Liturgy from the University of Notre Dame.