Sullivan, Justine
Strength & Conditioning Coach, PE TeacherMrs. Justine Sullivan is one of our PE teachers and is also our Certified Strength and Conditioning Specialist. She graduated from Gross in 2008. She has an undergraduate degree in exercise science, nutrition, and health from the University of Nebraska-Lincoln and has a masters degree in teaching from College of Saint Mary.
402-734-2000 Ext 158
Lyons, Danielle
Math TeacherDanielle Lyons is an alumnus of Gross Catholic High School, class of 1997. She earned her bachelors of science degree in secondary education with a math endorsement from the University of Nebraska at Omaha in 2003. She has taught mathematics in many schools across the country, and worked as a substitute teacher at Gross Catholic for the last 8 years, while raising her three children. She earned her Google Teacher Level 1 Certification in December 2016. She began teaching Algebra 2 and Geometry at Gross Catholic for the 2017-2018 school year in a part-time capacity.
402-734-2000 Ext 325
Kmiecik, Joe
Journalism TeacherJoe Kmiecik graduated from Creighton University with a degree in English in 2007, and from Emerson College (Boston) in 2009 with a Master of Fine Arts in Creative Writing. He has taught composition, rhetoric, creative writing, and other communications classes at Emerson College, Newbury College, and Southern New Hampshire University. He has also spent several years working as a copywriter and editor for an Atlanta-based home repair magazine. Joe is a proud graduate of St. Bernadette and South Omaha Boy. He and his wife have three children.
402-734-2000 Ext 323
Evans, Nicole
Advancement DirectorNicole Evans, an Omaha native, is the Advancement Director for Gross Catholic High School. After spending more than a decade in healthcare and public health program management, Nicole spent a year working as a first grade teacher assistant and certified substitute teacher at a Catholic elementary school to help transition her career from healthcare administration to Catholic education. Most recently, she served as the director of Development for the Omaha Catholic School Consortium from June 2015 – May 2017.
She has a bachelor’s in journalism/communications, a master’s in business administration/healthcare administration, and has a local substitute-teaching license from the Nebraska Department of Education.
Nicole and her husband, Shawn, have two boys. They are parishioners at St. Gerald Catholic Church and both children attend Catholic school. Nicole enjoys running, swimming, spending time with her family, and volunteering at her children’s school.
402-734-2000 ext. 121
Brandt, Josh
Computer TechnicianJosh Brandt is our computer technician. His office is located in the media center. If your computer needs to be fixed. Mr. Brandt is the man to see.
Mulligan, Chuck
Wrestling CoachChuck Mulligan is our wrestling coach. Coach Mulligan began coaching the wrestling team during the 2016-2017 school year.
Warden, Joy
School NurseJoy Warden is our school nurse.
402-734-2000 ext 116
Shanahan, Ryan
Building Maintenance SpecialistRyan Shanahan is our building maintenance specialist.
402-734-2000 ext 132
Rice, Debbie
Administrative AssistantDebbie Rice is our administrative assistant. She is an ’86 graduate of Gross Catholic. Deb is married to Bill, also an ’86 grad. They have 9 children (additionally, she has 400+ adopted Gross Catholic children). Debbie received a bachelors degree in Elementary and Special Education from UNL. After staying home for 19 years to raise her children, she began working at Gross Catholic in 2015. Once a Cougar always a Cougar!
402-734-2000 ext 101
Nelson, Danielle
French TeacherDanielle Nelson is our French teacher. She started teaching at Gross Catholic High in 2016.
402-734-2000 ext 320
Mimick, Colleen
School Receptionist and Spirit Store ManagerColleen Mimick has been employed at Gross Catholic High School since 2013. She works in the main school office part-time as receptionist. She also manages the school Cougar Spirit Store. Her husband, Jeff is a 1979 Gross graduate. They have two children that also graduated from Gross Catholic, Sarah ’12 and Nicole ’15.
402-734-2000 ext 100 or 119
Lienemann, Bob
Music TeacherBob Lienemann teaches band and instrumental music. Mr. Lienemann began teaching at Gross Catholic in the 2016-2017 school year.
402-734-2000 ext 160
Herek, Chris
Lunch Room and Vending ManagerChris Herek is in charge of our lunch room and vending.
402-734-2000 ext 129
Harris, Jaclyn
Media SpecialistMrs. Jaclyn Harris, Media Specialist, started at Gross during the 2016-2017 school year. She graduated in 2008 from Northwest Missouri State University with a bachelor’s in English. In 2012, Mrs. Harris worked toward her Master of Arts in Teaching from College of Saint Mary, then continued on to receive her endorsement in Library Science from the University of Nebraska at Omaha. Mrs. Harris runs the book club, the Teen Advisory Board, and teaches Contemporary Literature.
402-734-2000 ext 137
Harland, Shane
Social Studies TeacherShane Harland began teaching at Gross during the 2016-2017 school year. Mr. Harland teaches social studies.
402-734-2000 ext 324
Dworak, Carol
Math TeacherMrs. Dworak began teaching math at Gross in 2016. She received her B.A. in Mathematics from Drake University, with a minor in Actuarial Science. Her teaching certifications and Masters Degree in Education were earned at UNO. Carol has taught math at Boys Town High School, Educational Service Unit #3 and the Bellevue Public Schools. Mrs. Dworak and her husband are blessed with five grown children and are long time members of Christ the King Parish. Originally from the Chicago suburb of Glen Ellyn, IL, Carol enjoys spending free time visiting family, hiking, gardening, biking and reading historical non-fiction.
402-734-2000 ext 300Yanovich, Rick
Boys Soccer CoachRick is the head boys soccer coach. He graduated from Gross Catholic in 1991 and also is a youth soccer coach for Omaha Football Club.
Wilson, Wayne
Head Coach Girls GolfMr. Wilson is the current girls golf head coach.
Van Haute, Tom
Student Success Coordinator, PE Teacher, Head Football Coach.Mr. Tom Van Haute is our Study Skills Teacher, PE Teacher as well as our Head Football Coach. He graduated from Hastings College in 2015 with a Master’s in Special Education. His undergraduate degree is in Physical Education.
402-734-2000 Ext 309
Van Haute, Janet
Business ManagerMrs. Janet Van Haute has been the Business Manager at Gross Catholic since 2001. She received her bachelor’s degree in accounting at UNO in 1984, and her master’s degree in Business Administration at Creighton University in 1991. She also has passed the Certified Public Accounting (CPA) and Certified Management Accounting (CMA) tests. Mrs. Van Haute, her husband and three sons attend St. Bernadette Parish.
(402) 734-2000 ext: 106
Sweetmon, Shelby
Business Teacher, Assistant Coach Varsity FootballMr. Shelby Sweetmon grew up in California, attended and played football at El Toro High School in Orange County. After playing lacrosse and graduating with a bachelor’s degree in Business Administration from Loyola Marymount University in 1988, he moved to Omaha in 1992. He began his coaching career at Gross Catholic in 1996 and graduated with a second bachelor’s degree in education from UNO in 2000. After serving as the assistant business manager, bookstore manager, and recruiting director, Mr. Sweetmon moved to the classroom where he is a certified P.E. and business teacher. He has been a varsity football coach since 1998 and has also served as the girls tennis coach and head track coach. Mr. Sweetmon married his wife in 2002 and they have three children.
(402) 734-2000 ext: 342
Sweetmon, Michele
Moderator National Honor Society, Campus MinistryMrs. Michele Sweetmon has been teaching at Gross Catholic since 2000. She received her bachelor’s degree from Briar Cliff University and has continued her education in the area of on-line and distance learning through the University of South Georgia. Additionally, Sweetmon has Masters Degree from Concordia University as a Reading Specialist with an ESL endorsement. Mrs. Sweetmon’s moderates the National Honor Society and is the Assistant Campus Minister. Mrs. Sweetmon is a graduate of Gross Catholic, and she and her husband have three children.
(402) 734-2000 ext: 311
Sloup, Rick
Math teacher, ACT Prep, CADRick Sloup is a 1989 graduate of Daniel J. Gross Catholic High school and has taught mathematics at his alma mater since 1997.
(402) 734-2000 ext: 336
Sledge, Dawn
Director of Special EventsDawn is our Director of Special Events
(402) 734-2000 Ext 124
Schmitz, Randy
Science Teacher, Assistant Coach Varsity FootballMr. Randy Schmitz joined Gross Catholic in 2008, but has been teaching science in Catholic high schools for many years. He has a bachelor’s degree in chemistry from South Dakota State University, and a master’s degree in secondary education from Peru State College. He is a member of the varsity football coaching staff. He and his wife, Trixy, have lived in Bellevue for 10 years, and are members of St. Mary’s Parish in Bellevue. They have 6 children.
(402) 734-2000 ext: 341Rangel, Sarah
Head Volleyball CoachMrs. Sarah Rangel is our Head Volleyball Coach. She graduated from Gross in 1998.
Powers, Tim
Social Studies Teacher, Head Coach Boys Basketball, Head Coach Boys GolfFaculty member Mr. Tim Powers has been teaching at Gross since 2000, where he has enjoyed working in a family atmosphere. He currently teaches various Social Studies classes. Mr. Powers also coaches boys basketball, and boys golf. Mr. Powers is an alumnus of Gross and went to Appalachian State University. In his spare time, Mr. Powers likes to golf, travel, and spend time with his wife and kids.
(402) 734-2000 ext: 331
Peterson, Julie
Guidance OfficeJulie Peterson has been employed at Gross Catholic High School since 2001. She works in the Guidance Office as a Administrative Assistant. Julie and her husband Glenn both graduated from Gross Catholic in 1981. They have three children that graduated from Gross Catholic.
(402) 734-2000 ext: 115
Ostrowski, Dorothy
President and Principal 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
Nano, Suzanne
Physical Education Teacher, Sports Medicine, Athletic TrainingMrs. Suzanne Nano has been at Gross Catholic since 1990. She has a bachelor’s degree from Iowa State University and a master’s degreee and teaching endorsement from UNO. She grew up in Rockford, Illinois. She teachs PE classes and is also the Cerified Athletic Trainer at Gross Catholic.
(402) 734-2000 ext: 326
Novotny, Erin McGuan
Spanish TeacherAfter graduating from Indiana University in 2008 with her bachelor’s degree in Spanish and English, Ms. Erin McGuan Novotny moved to Omaha to obtain her master’s in Education from Creighton. Since moving, she has worked in the elementary, middle and high school levels teaching Spanish and Art. She currently teaches Spanish II and Spanish III. Ms. McGuan Novotny grew up in the Northwest Indiana and Chicago area and still travels back often to visit. Ms. McGuan Novotny joined the Cougar family in August of 2011 and is married to fellow Cougar Mr. Nate Novotny.
(402) 734-2000 ext: 340
McNamara, Julie
Guidance Counselor and College PlanningJulie McNamara (class of 1991) began her career at Gross in 2009. Prior to working at Gross she taught at Bryan High school from 1995 – 1999. She obtained her education degree from UNO in 1995 with an endorsement in math. She obtained her masters degree in Preventive Mental Health and High School Counseling from Creighton University in 2017 and currently works with the Cougar family as the junior/senior guidance counselor. She and Mark (class of 1990) were married in 1995 and they have been blessed with 4 children, Victoria (class of 2014), Casslyn (class of 2017), Jillian (Class of 2020), and Andrew (Class of 2022).
(402) 734-2000 ext: 112
Maxwell, Pam
Spanish TeacherPam Maxwell has a bachelor’s degree in Business Administration and a master’s degree in Deaf Education. She holds teaching certificates in Deaf Education and Spanish. After leaving a business career, Pam taught deaf and hard-of-hearing students in Minnesota. She volunteered in Guatemala for 2 years and was acting principal and development director for Our Lady of Guadalupe-Ines Mission School in South Omaha. She has taught high school Spanish for 9 years and college Spanish for 1 year. She has traveled through Central America, Spain, France, England, Puerto Rico, and Jamaica and has volunteered as a teacher of English to Spanish-speaking inmates at the county jail. Pam was raised in Omaha and is a member of St. Bernadette Parish. She and her husband, Chip, have seven adopted children from Guatemala.
402-734-2000 ext 337
Matzen, Kim
Theology Teacher, Social Studies Teacher, LIFE Moderator Assistant, Varsity Girls Soccer CoachMrs. Kim Matzen is a 1994 a graduate of Gross Catholic, and has been teaching at Gross Catholic since 2000. She has a bachelor’s and a master’s degree from the College of Saint Mary. Matzen teaches Theology and Social Studies, is a LIFE Moderator, the co-chair of the MIT team, and is an assistant coach for girls soccer. Mrs. Matzen and her husband have two children.
(402) 734-2000 ext: 311
Lewis, Fr. Ryan
School ChaplainFr. Ryan Lewis is our Chaplain.
402-734-2000 ext: 110
Krupa, Linda
Business Office AssistantMrs. Linda Krupa has worked in the business office at Gross Catholic since 2005. In 1986, she received a bachelor’s degree in Business Administration from the University of Nebraska at Omaha. In 1994, she received a teaching degree, also from UNO. Mrs. Krupa is married and has four children who all attend Catholic schools.
(402) 734-2000 ext: 107Kammandel, RJ
Girls Basketball TeamRJ Kammandel is the head coach of the Girls Basketball Team.
Johnson, CaSandra
Art Teacher, Art Club ModeratorMrs. CaSandra Johnson has been at Gross Catholic since August of 2000. She is visual arts teacher, as well as moderator of the Art Club and Knitting Club. Previously, Mrs. Johnson has taught art for The Boys and Girls Clubs of Omaha, Girls Inc., El Museo Latino, and currently at the Joslyn Art Museum. She is graduate of the University of Nebraska at Omaha with a B.S. in K-12 art education, and is an alumnus of The Art Institute of Chicago’s TICA program. She and her husband Doug are members of St. Bernadette Parish. They have 2 sons.
(402) 734-2000 ext: 318
Jackson York, Becca
Drama & Music Teacher, Drama ModeratorBecca Jackson York is the Director of Theatre Arts and Vocal Music. Ms. Jackson holds a Bachelor of Arts from Simpson College, where she studied theatre and music. In addition to her work with Gross, Becca has performed with Opera Omaha and has directed and performed in a multitude of productions in metro area.
402-734-2000 ext 327
Jacobson, Michala
Admissions and Marketing Director and Varsity Softball CoachMichala (D’Ercole) Jacobson is currently the Admissions and Marketing Director and Varsity Softball Coach.
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 has also coached softball for 20 years and is a certified presenter for the Champions of Character Program through the NAIA. She was the JV then Varsity coach at Gross Catholic from 1995 – 2003 and then moved on to College of Saint Mary, Omaha and coached softball at CSM from 2003 – 2006.
Michala and her husband Chris have three daughters and one son.
(402) 734-2000 ext: 126
Hughes, Tricia
Math TeacherMrs. Tricia Riha-Hughes has been a member of the Gross Catholic faculty since 1996. After her graduation from Gross Catholic in 1992, she earned her bachelor’s degree from the University of Nebraska at Omaha and her master’s degree from Peru State College. Currently, Mrs. Hughes teaches mathematics and is the Math Department Chair. In addition, Mrs. Hughes was the Cheerleading coach and the Girls Golf Coach. Tricia Riha-Hughes is married to a Gross Catholic grad (’83) and the mother of three children who attend a local Catholic grade school.
(402) 734-2000 ext: 313
Homan, Jim
IMS Specialist, Girls Varsity Soccer Head Coach, Student Council ModeratorMr. Jim Homan, at Gross Catholic since 1987, has both a bachelor’s and a master’s degree from Creighton University. He is in charge of the school’s Bring Your Own Device program, and coordinates PowerSchool, GCGmail, and social media. Homan’s other duties at Gross include coaching girls soccer and moderating student council. Mr. Homan has lived in Omaha for most of his life. He has been married to Darci Homan since 1990. They have 2 daughters.
(402) 734-2000 ext: 105Hartfield, Docker
Head Swimming CoachMr. Hartfield is the head swimming coach.
docker_hartfield@ralstonschools.org
Hamersky, Steve
Science Teacher, Technology Coordinator, Engineering Team Advisor, Chess Club Advisor, Robotics TeamMr. Stephen Hamersky holds bachelor’s and master’s degrees from the University of Nebraska at Lincoln with areas of specialization in mathematics, physics, and computer science, and holds a certification in network management from Cisco Systems. He has served on many advisory boards and writing teams including the Nebraska Association of Teachers of Mathematics, the Nebraska State Mathematics and Science Frameworks, the Nebraska Mathematics and Science Coalition, and the Education Council of the Nebraska Technology Commission. He has sponsored many academic teams including robotics team, chess, physics, computer programming, and engineering team. He is the technology director and has helped Catholic elementary schools develop their technology programs through teacher training workshops and consultation. He has taught on-campus and on-line courses in mathematics, science, education, and computer technology for Creighton University, University of Nebraska at Lincoln, University of Nebraska at Omaha, Metropolitan Community College, and Iowa Western Community College. He has been married to Kitt Hamersky since 1975 and they have three daughters.
(402) 734-2000 ext: 152
Groski, Conde
Building ManagerMr. Groski is the building manager.
402-734-2000 x131
Gilson, Marty
Guidance Counselor, Testing CoordinatorOver 30 years in education, Mr. Gilson has taught English, Physical Education, and Health and has been a Head Basketball Coach. Currently, Mr. Gilson is one of the guidance counselors working with Freshman and Sophomores. He also is available to help any student or parent as needed in the areas of personal, social, academic, and college/ career. Additionally, Mr. Gilson is the testing coordinator.
Gilson grew up in Los Angeles but has lived in Nebraska since the early 80’s. Mr. Gilson is married to his wife Lori and they have 4 children and 8 grandchildren.
402-734-2000 ext 113
Fuchser, Brian
Theology Teacher, Speech Teacher, Competitive Speech, Site Director Athletic EventsMr. Brian Fuchser, at Gross Catholic since 2005, has both a bachelor’s degree in journalism and a master’s degree in secondary education from Creighton University. Fuchser has many duties at Gross, including theology, speech, and serving as a site manager and public address announcer for various sports. Mr. Fuchser grew up in O’Neill, Nebraska and has lived in the Omaha area since 1998, except for a two-year stint teaching theology and coaching at Scotus Central Catholic in Columbus, Nebraska. Mr. Fuchser also spent a year working as a reporter, photographer, and advertising specialist for the Catholic Voice before coming to Gross Catholic.
(402) 734-2000 ext: 305Filipowicz, Mike
Head Coach Varsity BaseballMr. Filipowicz is the head baseball coach.
Nolte, Molly
Alumni DirectorMolly (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.
Dostal, Kris
Head Cheerleading CoachMrs. Dostal is the head cheerleading coach.
Dorwart, Teresa
English Teacher, Academic DecathlonMrs. Teresa Dorwart is a long-time Gross Catholic teacher, having arrived in 1982 from a teaching job in the Omaha Public Schools. Mrs. Dorwart has both a bachelor’s degree in English and French with a minor in secondary education and a master’s degree in English from Creighton University. She has taken additional classes at Georgetown University, University of Nebraska – Lincoln, University of Nebraska – Omaha, and Peru State. Her main teaching responsibility at Gross Catholic is senior English, including AP classes. Additionally, she is the coach of the Academic Decathlon team. Mrs. Dorwart, her husband and four children attend St. Bernadette Parish. All four children have attended Gross Catholic.
(402) 734-2000 ext: 308
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
Connelly, Dan
Theology Teacher, Assistant Football Coach, Assistant Baseball CoachMr. Dan Connelly started teaching at Gross Catholic in 1996. He went to high school at Cathedral and attended college at UNO & Wayne State. Mr. Connelly also attended the University of St. Mary of the Lake, Mundelein Seminary. He now puts that Seminary training to use teaching theology classes. Mr. Connelly helps coach football and baseball. He is married and a member of Our Lady of Lourdes Parish.
(402) 734-2000 ext: 306
Carson, Yvonne
English TeacherYvonne Carson has been at Gross Catholic since 1994. She has a degree in English and physical education from Doane College. She has also been a part of the “Bearing Witness” program, a highly recognized program on how to teach the Holocaust within a Catholic teaching environment. She attended special classes on the Holocaust in addition to studying for two weeks in Israel and has taken these experiences back into her classrooms to help the students better understand the Holocaust. Mrs. Carson lives in Omaha and her husband, Scott, works for Mutual of Omaha has a system analyst. They have two children who attended Gross Catholic. Mrs. Carson is also the Gross Catholic High School head volleyball coach.
(402) 734-2000 ext: 304
Carey, Rich
Head Coach Cross Country, Geo Garden DirectorMr. Rich Carey began teaching in 1971 and taught at Gross Catholic from 1976 to 2010. He obtained his bachelor’s degree in science and physical education at UNO and also ran cross country and track during his time there. His duties at Gross Catholic include teaching biology, anatomy and coaching cross country. He also has coached track and basketball (state championship in ‘91.) Mr. Carey started the Geo-Garden in 1998 and maintains it still today. He has received several awards over the years for coaching and his garden work. Mr. Carey retired from teaching in 2010. He has been married to Marybeth, since 1970, and their three children graduated from Gross Catholic. They now have three grandchildren.
(402) 734-2000 Ext 304
Brousek, Tracey
Theology TeacherMrs. Brousek is one of our outstanding Theology teachers. Her husband, Bob, is a Gross graduate.
402-734-2000 ext 302
Boro, Chris Johanek
English TeacherChris Johanek Boro has been at Gross Catholic since 1980, but she likes to tell her students she was here “when the earth was cooling.” A proud graduate of Gross Catholic class of ’76, she earned her bachelor’s degree from UNL with majors in English and reading, and her master’s degree from UNO, with a graduate endorsement in Teaching the Gifted and Talented. She has taught all levels of English, most recently sophomores and seniors, as well as creative writing; she and three other teachers form the team that teaches the ACT Prep class to juniors and seniors. During the 2007 – 2008 school year, she was a member of the Nebraska Department of Education Reading and Writing Standards Revision Committee. Prior to that, she served the Archdiocese of Omaha in a similar capacity, writing and revising Language Arts Standards and Assessments for grades K – 12. Ms. Johanek Boro has lived in Omaha her entire life, and has been married to Craig Boro since 1998. They are parishioners of Sts. Peter & Paul Parish, where both she and Craig are choir members, lectors, and volunteers for parish activities. They are also active in Global Catholic Outreach, an exchange student program that sponsors students from former Communist countries.
(402) 734-2000 ext: 317
Antoniak, Sandy
School ReceptionistSandy Antoniak is the school receptionist in the main office. She has been at Gross Catholic since 1996. She has 2 adult sons and three grandchildren.
(402) 734-2000 ext: 101