Marta Maruri was born in Madrid, grew up in Santander (Northern Spain), and spent her senior year of high school in the United States. She attended university in Santander then transferred to the University of Ulster in Northern Ireland, earning an Honors B.A. in European Business Studies. While in Northern Ireland, Marta interned in the field of exports and later worked in marketing. Upon returning to Spain, she taught international and strategic marketing for Queen's University and the University of Humberside and Lincolnshire programs as well as ESL at different business schools. She has worked at SLU-Madrid since 2006.

During her time at SLU-Madrid, Marta Maruri has served on the SLU-Madrid Assessment Committee and is currently the director of student life and retention officer.  She formerly served as SLU-Madrid Title IX deputy coordinator. She has completed continued education in relevant fields, including student affairs, Spanish data protection policies, management, motivation, leadership, Title IX and the Clery Act.

César Rioja was born and raised in Madrid. He received a bachelor’s degree in physical education from the Universidad Complutense de Madrid. For six seasons, Rioja played guard for the Movistar Estudiantes, as a professional basketball team player in the Spanish Asociación de Clubes de Baloncesto League (“the Spanish NBA”). He also played in the Spanish National Team. Since 1999, Rioja has been the Sports Director at SLU-Madrid, where he is also the current academic advisor for all the athletes registered at SLU-Madrid. Rioja assists all SLU-Madrid students wishing to practice the more than 20 different sports offered at the University.

Margarita Casado was born in Madrid. She began her university studies at Fundación San Pablo CEU and earned a Bachelor of Science in Business Administration from Saint Louis University, attending both the Madrid and St. Louis campuses.

Casado has continued her education as well, completing courses and seminars in human resources management at Escuela de Mandos Intermedios (EMI), advertising technical workshops at ESCIVEN, and quality controls at Community of Madrid. She has also continued her training with courses in  first aid and occupational risk prevention. Casado ran her own business for 17 years before joining SLU-Madrid as the housing coordinator in January of 2010.

James O’Leary is a native of Chicago. He entered the Jesuits in 1981. After being ordained a Catholic priest in 1991, he lived in Peru, where he worked in popular education and jail ministry. He has been the campus chaplain and a professor of theology at SLU-Madrid since 2007.

Paloma Gómez de Salazar was born in southern Spain, but has always lived in Madrid. She graduated from the Pontifical University of Comillas with a bachelor's degree in psychology.

Gómez de Salazar has worked in many different areas, including as an instructor at the University Francisco de Vitoria and professor of Catholic religion pedagogy and didactic methods at the University Camilo José Cela. She also taught Catholic religion at Torrevilano School. She also has experience as a counselor in Covadonga Family Planning Centre.

Carlos Villar Moreu was born in Madrid and has lived most of his life here. Villar graduated from the Universidad Autónoma de Madrid with a bachelor's degree in history. Villar has worked in different fields throughout his career, from data recording in a financial and legal consulting firm to teaching English and coordinating English teachers for a private academy. He has developed a special interest in helping students achieve their goals and assisting with obtaining the NIE, TIE and other official documents students may need.