Dempsey, Mike
Athletic and Activities Director, Assistant PrincipalMr. Mike Dempsey is currently the Athletic & Activities Director and the Assistant Principal. He is a 1975 Gross graduate. He received a bachelor’s degree from UNO in 1980 and a master’s degree in 1983. Mr. Dempsey began his career at Gross in 1980, teaching math as well as assisting coaching football and basketball. In 1986, he left Gross for five years to teach and coach at another Catholic high school in Omaha. Dempsey returned to Gross Catholic in 1992 to become the head basketball coach, teach math, work in the counseling department and assist coaching football. Mr. Dempsey finished another master’s degree in administration in the fall of 2008. Mr. and Mrs. Dempsey have four children that have graduated from Gross Catholic.
(402) 734-2000 ext: 104
Alumni and Communications Director
Nolte, MollyMolly (McGill) Nolte was born and raised in Omaha and is a 1999 graduate of Gross Catholic High School. She attended the University of Nebraska at Lincoln and earned her Bachelor of Arts Degree. Molly has more than 13 years experience working for an e-commerce company as a buyer and has developed skills including creating extensive business plans, marketing, vendor relations, and events management.
Molly and her husband Mike have been married for over 15 years and have two boys. Both boys currently attend Catholic schools. Molly enjoys running, Pilates and spends a lot of her time on the soccer field, cheering on both of her boys.
402-734-2000 ext 123
Jacobson, Michala
Admissions DirectorMichala (D’Ercole) Jacobson, ’90, is currently the Admissions Director.
She is a 1990 graduate of Gross Catholic High School. She received a bachelor’s degree from College of Saint Mary in elementary and Early Childhood Education and a Masters in Educational Leadership from Doane College. After being in the classroom teaching for 14 years, Michala became the Assistant Principal and then Principal at St. Gerald Catholic School.
Michala and her husband Chris have three daughters and one son.
(402) 734-2000 ext: 126
Ostrowski, Dorothy
President of Gross CatholicDr. Dorothy Ostrowski has been at Gross Catholic since 1981. She began as a classroom teacher in the English Department and moved to Assistant Principal in 1996. Dr. Ostrowski went on to become Principal in 2000 and school President in 2012. Dr. Ostrowski holds a bachelor’s degree and two master’s degrees from Creighton University and earned a Doctorate in Educational Administration from the University of Nebraska in 2005. She was born and raised in Omaha and attended St. Stanislaus Elementary School and Archbishop Ryan High School. She is a life-long member of St. Stanislaus parish.
(402) 734-2000 ext: 103
Dawn Sledge
Special Events and Marketing DirectorDawn is our Director of Special Events and Marketing.
(402) 734-2000 Ext 124
Stephen Driscoll
VP of AdvancementStephen Driscoll was born and raised in Omaha, Nebraska and graduated from Gross Catholic in 2010. As a student, he was involved in numerous activities including athletics, band, Marianist LIFE, and student council where he became president his senior year. Stephen went on to study at the University of Nebraska where he earned his bachelor’s degree in Emergency Management and Journalism. During his undergraduate, he joined Phi Kappa Theta, a men’s Catholic fraternity, and in 2013 worked as a journalist for Catholic News Agency and EWTN in Rome, Italy. After graduating, Stephen worked at the University of Nebraska Foundation as a Director of Development for UNO for nearly four years where he strategically planned, implemented and raised vital funds. Throughout the years he has remained active at Gross Catholic as a Marianist LIFE moderator and a member of both the Advancement and Alumni Committees. In 2019, Stephen became a member of the Gross Catholic Board of Directors and served on several committees before accepting the position of Vice President of Advancement in March 2020. Stephen is an active leader and member at St. Frances Cabrini parish.
(402) 734-2000 ext. 121
sdriscoll@gcgmail.org