Faculty & Staff

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Abbott, Hana

Principal

habbott@gcgmail.org

Started at GCHS in 2023

Hana Abbott is a creative leader who has experience in Catholic education, public school education, and in the nonprofit sector. Hana (pronounced Hawn-ah) earned a Bachelor’s Degree [TC1] in Education from Wayne State College, a Master’s Degree in Curriculum and Instruction from Doane College, and a Master’s Degree in Education Administration from Midland University. She has taught in Millard Public Schools, Omaha Home for Boys, and Jesuit Academy. She comes to Gross Catholic from the CUES School System where she directed the STEAM program and worked as an academic manager at NorthStar Foundation. Hana was previously Assistant Principal and was promoted to Principal in March of 2024.

Sandy Antoniak
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Antoniak, Sandy

School Receptionist

antoniak@gcgmail.org

Started at GCHS in 1996

Sandy 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.

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Brousek, Tracey

Theology Department, Dean of Middleton House

brousek@gcgmail.org

Started at GCHS in 2014

Mrs. Brousek is one of our outstanding Theology teachers. Her husband, Bob, is a Gross graduate.

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Cervantes, Sabori

Spanish Department and Theatre Director

scervantes@gcgmail.org

Started at GCHS in 2024

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Clark, Joy

Library/Technology

clark@gcgmail.org

Started at GCHS in 2019

Mrs. Joy Clark is our Media Specialist. She also teaches a technology course entitled, “Introduction to Technology.”

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Cortinas, Julie

Advancement, Head Volleyball Coach

cortinas@gcgmail.org

Started at GCHS in 2021

Julie is an Advancement team member as the liaison between Advancement, the Business office, and the Board of Directors. She also is the Varsity Volleyball Coach.

Freddie Cougar loves Gross Catholic
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Cougar, Freddie

Mascot Extraordinaire

Started at GCHS in 1968

Freddie Cougar, our beloved mascot, was magically born out of an abundance of school spirit the day the first student entered our hallowed halls on September the 3rd, 1968. Freddie is the embodiment of our mission and our spirit. Freddie IS the Cougar Family.

 

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Dorcey, Emily

Theology Department

dorcey@gcgmail.org

Started at GCHS in 2021

Mrs. Emily Dorcey was born and raised in Tampa, FL and moved to Omaha in 2019, where her husband is originally from. She and her husband have a daughter. Mrs. Dorcey has previously taught high school Theology and middle school religion.

 

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Eckery, Chara

Math Department

ceckery@gcgmail.org

Started at GCHS in 2025

Ms. Eckery has been a Math teacher since 2009. She is a dog owner who is very involved in various dog sports, particularly scent work.

Steve Eubanks, Principal
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Eubanks, Steve

Head of School

seubanks@gcgmail.org

Class of 1984

Started at GCHS in 2023

Mr. Steve Eubanks is our Head of School. Eubanks earned a Bachelor of Science in biology education with a minor in physical science and coaching from the University of South Dakota, a Master of Arts in educational administration and supervision from the University of Nebraska at Omaha, and is a certified athletic administrator. He has spent most of his educational career in the Omaha Public Schools District, having served as a science teacher, coach, student assistance team coordinator, assistant principal, director of athletics, principal and director of curriculum instruction and support. He previously was principal at GC and was elevated to Head of School in March of 2024.

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Ewing, Kristen

English Department/Yearbook/Cheer/Education Academy

ewing@gcgmail.org

Started at GCHS in 2023

Kristen Ewing is one of our English teachers. She also coordinates the yearbook program and coaches the Cheer Squad.

New AD Nate Frankman
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Frankman, Nate

Athletic Director

nfrankman@gcgmail.org

Started at GCHS in 2025

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Ginn, Michelle

Business Office

ginn@gcgmail.org

Class of 1991

Started at GCHS in 2021

Michelle (Kokotajlo) Ginn, who graduated from Gross Catholic in 1991, is the school receptionist in the front office. She has been working at Gross Catholic since 2022. She is married and her children have attended Catholic schools.

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Groski, Conde

Buildings and Grounds

groski@gcgmail.org

Started at GCHS in 2014

Mr. Conde Groski is our Facilities Manager. He was born and raised in South O and graduated from Bryan High School. Groski has two daughters who both are graduates of Gross Catholic. The oldest graduated from Doane University with a degree in graphic design and currently resides in California. The youngest daughter currently attends Northwest Missouri State. Mr. Groski is a parishioner of St. Bernadette parish and an active member of both the Men’s Club and KOC. He loves to golf, go to Polka dances, travel, and attend Husker football games. GBR! He is engaged to be married at the end of 2023.

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Hamersky, Steve

Science Department/STEM, Robotics/Engineering Club/Esports

hamersky@gcgmail.org

Started at GCHS in 1978

Mr. 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 assistant technology director and has helped Catholic elementary schools develop their technology programs through teacher training workshops and consultation. He has taught on-campus and online 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.

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Herek, Cris

Commons Manager/Bookstore

herek@gcgmail.org

Class of 1983

Started at GCHS in 2010

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Hughes, Tricia

Math Department/Faculty Support Specialist

thughes@gcgmail.org

Class of 1992

Started at GCHS in 1996

Mrs. 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. Mrs. Hughes is married to a Gross Catholic grad (Mark ’83) and they are the parents of three children who have attended Catholic school.

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Johanek-Boro, Chris

English Department

cjohanek@gcgmail.org

Class of 1976

Started at GCHS in 1980

Chris 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. 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.

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Johnson, CaSandra

Art Department/Photography/Art Club

johnson@gcgmail.org

Started at GCHS in 1999

Mrs. 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.

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Kalamaja, Lisa

Guidance Department

kalamaja@gcgmail.org

Class of 1991

Started at GCHS in 2020

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Kmiecik, Joe

English Department/Creating Writing/Creative Writing Club

kmiecik@gcgmail.org

Started at GCHS in 2016

Joe 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.

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Larson, Ryan

Admissions Director

larson@gcgmail.org

Started at GCHS in 2022

Mr. Ryan Larson comes to us from more than a decade of recruitment experience at the college level. Most recently, he was Assistant Registrar for the University of Nebraska Medical Center in Omaha. He has served in admissions leadership roles at Buena Vista University, Iowa Western Community College, and the University of South Dakota – where he recruited primarily from the Omaha metro area.

Mr. Larson and wife Samantha reside in Council Bluffs with their dog Molly. In his free time, he enjoys woodworking, watching sports, traveling, photography and spending time with family.

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Mason, Lizzie

Social Studies Department/Criminal Justice, Student Council Moderator/Dean of McMenamy House

mason@gcgmail.org

Started at GCHS in 2021

Mrs. Lizzie Mason attended Mercy High school and then Wayne State College where she graduated in 2019 with a degree in Social Studies Education.

Mrs. Mason spends her free time listening to podcasts, crafting, and traveling with her husband. She is also an avid board gamer player and collector.

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Matzen, Kim

LIFE Team Moderator, Theology Department, Social Studies Department

matzen@gcgmail.org

Class of 1994

Started at GCHS in 1998

Mrs. 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, is a LIFE Moderator, the chair of the MIT team, is a Social Sciences teacher, a site supervisor, and is an assistant coach for girls soccer. Mrs. Matzen and her husband have two children.

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McNamara, Mark

Director of Advancement

mmcnamara@gcgmail.org

Class of 1990

Started at GCHS in 2024

Mark McNamara, proud member of the class of 1990, is married to Julie Reed McNamara, class of 1991 and current school counselor here at Gross. Their four children are also proud Gross Catholic alums, Victoria (2014), Casslyn, (2017), Jillian (2020), and Andrew (2022). The Cougar Family is truly something special.

He received a finance degree from Creighton University in 1994 and an MBA from UNO in 1999. After graduating from Creighton, he worked in commercial real estate originating mortgage loans and analyzing acquisition targets.

His career took a turn eight years ago when he began working in development as a campaign manager for Steier Group raising money for parishes and schools. This led to his most recent position as the Director of Development at Saint Cecilia Cathedral. Through his efforts, he’s secured several foundation grants, established legacy gifts, and grown annual giving.

Quote from Mark McNamara: “I am excited to join the team at Gross Catholic. It’s an honor to invite others to join in our mission to educate in the Marianist tradition as we create more positive outcomes for our students.”

Gross Catholic Head of School, Mr. Steve Eubanks, expressed their enthusiasm about the new hire: “Mark McNamara knows and understands the Gross Catholic community and has a wealth of experience in Development. We are excited to welcome Mark ’90 back to the Cougar family.”

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McNamara, Julie

Guidance Department, Student Council Moderator

jmcnamara@gcgmail.org

Class of 1991

Started at GCHS in 2008

Julie 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) married in 1995 and they have been blessed with 4 children.

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Mimick, Colleen

Spirit Shop Director

cmimick@gcgmail.org

Started at GCHS in 2013

Colleen Mimick has been employed at Gross Catholic High School since 2013. She manages the Cougar On Site Spirit Store as well as the online Sideline Spirit Store. Her husband, Jeff is a 1979 Gross graduate. They have two children that also graduated from Gross Catholic.

 

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Moore, Ben

Science Department

moore@gcgmail.org

Started at GCHS in 2015

Mr. Moore began teaching at Gross Catholic in 2016 after working in biomedical research labs at Creighton and UNMC for more than a decade. He holds a Master of Science degree in Biomedical Sciences and a Master of Education degree in Secondary Teaching from Creighton. He and his wife, Dalia, have two daughters.

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Nano, Suzanne

Physical Education Department/Nursing Academy/Athletic Training

snano@gcgmail.org

Started at GCHS in 1990

Mrs. 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.

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Nickerson, Sydney

Athletic Trainer

snickerson@gcgmail.org

Class of 2018

Started at GCHS in 2025

Sydney Nickerson is the school’s Athletic Trainer. She also graduated from Gross Catholic in  2018.

Erin Novotny
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Novotny, Erin

Spanish Department, NHS Sponsor/LIFE Team Moderator

emnovotny@gcgmail.org

Started at GCHS in 2010

After graduating from Indiana University in 2008 with her bachelor’s degree in Spanish and English, Ms. 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. Novotny joined the Cougar family in August of 2011 and is married to Nate Novotny, who is a Gross Catholic graduate and also taught at Gross for a number of years. They have two children.

Terry O'Donnell
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O'Donnell, Terrence

Junior Cougar Athletic Director, Head Boys Basketball Coach

odonnell@gcgmail.org

Class of 1998

Started at GCHS in 2021

Terry O’Donnell, our Athletic Director and Varsity Boys Basketball Coach, attended St. Joan of Arc Elementary and Middle School in Westgate and attended Gross Cath0lic. While at Gross, he was a multi-sport athlete: football, basketball, baseball, and track. After high school, he entered Bellevue University to study business and play basketball. After deciding to become a teacher, he transferred to the University of Nebraska, Omaha to earn a Bachelor of Science in Education. While at UNO, he helped coach Bellevue University’s basketball team.

Terrence has held several positions in his professional career. He spent a year in South America teaching middle and high school English in Cali, Colombia. He returned stateside to teach social studies at Omaha South High School. There he coached Freshman and JV boys’ basketball. Subsequently, O’Donnell moved to Bryan High School where for nine years he taught history and sociology and was the Varsity boys’ basketball coach.

Terrence has deep ties to the South Omaha community and has been influential in athletic communities throughout the city. He was the co-founder and Director of Basketball Development for the girls’ basketball team Mid-City Mambas. Also, O’Donnell has volunteered with Completely Kids and Police Athletics for Community Engagement (PACE). Finally, he is active with the Dual Language Home and School Association and serves on the school board at St. Joan of Arc.

Terrence is married to Gross alumna, Rosa Valencia ’00, and they have three children. They are parishioners at St. Joan of Arc. Notably, Terrence enjoys triathlon training and mountain biking, practices mindfulness and yoga, and is an avid adventure traveler.

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OMann, Jenni

Science Department

jomann@gcgmail.org

Started at GCHS in 2024

Cathie Pajnigar
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Pajnigar, Cathie

School Nurse

cpajnigar@gcgmail.org

Class of 1995

Started at GCHS in 2016

Mrs. Cathie Pajnigar is the school nurse at Gross Catholic. She is a 1995 Gross gradaute. She received a Bachelor of Science in Nursing degree from Creighton University in 1999. After getting married, Cathie and her husband moved to Cedar Falls, Iowa where she was a school nurse for five years. They chose to move back to Omaha in 2007 to be closer to family. She is also currently a registered nurse with CHI Health Bergan Mercy in the Hematology/Oncology Clinic. Dr. and Mrs. Pajnigar have four children who all attend Catholic school.

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Petersen, Corey

Assistant Principal/Technology

cpetersen@gcgmail.org

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Placek, Matthew

Math Department, Dean of Willett House

placek@gcgmail.org

Started at GCHS in 2018

Mr. Matt Placek has been at Gross Catholic since 2019. He has two bachelor’s degrees – one from Peru State College and the other from Western Governors University. While Matt has been involved in education for a long time, this is his first full-time teaching assignment! He had been a substitute teacher for many public schools in the Omaha metropolitan area. He also managed Sylvan Learning Center in Papillion. Matt lives in Council Bluffs, IA with his wife Courtney. They have two children – a boy and a girl.

Kelly Povondra
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Povondra, Kelly

Advancement

kpovondra@gcgmail.org

Class of 2000

Started at GCHS in 2022

Kelly (Waring) Povondra graduated from Gross Catholic in 2000. She earned a Bachelor’s Degree in Advertising and Journalism from the University of Nebraska at Omaha. Kelly previously worked for the Lincoln Journal Star in their advertising department. Kelly and Dan ’00 have three children. 

Lexi Privitera
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Privitera, Lexi

Advancement

lprivitera@gcgmail.org

Started at GCHS in 2022

Lexi is our Donor Relations Specialist. Previously, Lexi worked at Midland University where she was Assistant Director of Admissions for their graduate school programs.

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Rice, Debbie

Administrative Assistant

rice@gcgmail.org

Class of 1986

Started at GCHS in 2014

Debbie Rice is our office manager. 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.

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Romero, Nick

Vocal/Instrumental Music, Band Director

romero@gcgmail.org

Started at GCHS in 2014

Nick Romero began his teaching career at Gross Catholic in 2010. He then went to teach at La Vista Middle School in 2016, and returned to Gross a few years ago. Mr. Romero performs often around the metro area and especially enjoys playing in the pit orchestra at the Omaha Community Playhouse. He and his wife Carrie have 4 kids.

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Schmitz, Randy

Science Department, Football Coach/FACTS Coordinator

schmitz@gcgmail.org

Started at GCHS in 2007

Mr. 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.

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Schwartz, Leah

Science Department, Cross Country Head Coach/Track Coach/LIFE Team Moderator

schwartz@gcgmail.org

Started at GCHS in 2020

Ms. Schwartz is a science teacher and cross country/track and field coach. She came to Omaha as a part of the Magis Catholic Teacher Corps program at Creighton University, where she is currently pursuing her masters in education. Ms. Schwartz grew up in Wisconsin and graduated from the University of Wisconsin – La Crosse with a degree in Biology in December of 2020. Outside of school, she enjoys running, biking, and hiking the National Parks with her family.

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Shanahan, Ryan

Maintenance

shanahan@gcgmail.org

Started at GCHS in 2009

Ryan Shanahan is our building maintenance specialist.

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Sloup, Rick

Math Department

sloup@gcgmail.org

Class of 1989

Started at GCHS in 1996

Rick Sloup is a 1989 graduate of Daniel J. Gross Catholic High school and has taught mathematics at his alma mater since 1997.

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Stanesick, Ben

Strength and Conditioning, Football Coach/Power Lifting Head Coach

stanesick@gcgmail.org

Started at GCHS in 2017

Mr. Stanesick started at Gross in 2018 teaching Biology, Environmental science, and Earth Science. He graduated from the University of Nebraska at Omaha with a bachelor’s of Science in Education with an endorsement in Biology. Prior to teaching Mr. Stanesick served six years in the United States Air Force Security Forces most of which as a Training Instructor; he also deployed to Kandahar, Afghanistan in 2013. Mr. Stanesick is married and has a son.

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Stewart, Leah

Special Education

lstewart@gcgmail.org

Started at GCHS in 2023

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Sweetmon, Michele

Campus Ministry, House System Coordinator

msweetmon@gcgmail.org

Class of 1996

Started at GCHS in 2000

Mrs. 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 is the Assistant Campus Minister. Mrs. Sweetmon is a graduate of Gross Catholic, and she and her husband have three children.

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Sweetmon, Shelby

Business Department/Business Academy/Physical Education Department

sweetmon@gcgmail.org

Started at GCHS in 1996

Mr. 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 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.

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Trecek, Rebecca

Social Studies Department

rtrecek@gcgmail.org

Started at GCHS in 2024

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Van Haute , Kayla

Guidance Department

kvanhaute@gcgmail.org

Class of 2018

Started at GCHS in 2025

Ms. Van Haute is a 2018 Gross Catholic Alum who is excited to be part of the Guidance Department.

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Van Haute, Tom

Special Education/Physical Education, Head Football Coach/Barrett House Dean

tvanhaute@gcgmail.org

Class of 2008

Started at GCHS in 2014

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.

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Vargas, Ana

Front Desk Receptionist/Latino Liaison

vargas@gcgmail.org

Started at GCHS in 2025

Mrs. Vargas works at the front desk and is also the Latino Liason here at Gross Catholic.

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Wees, Dan

Theology Department, Social Studies Department, Football Coach

dwees@gcgmail.org

Class of 2005

Started at GCHS in 2024

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Wellwood, Amy

Engish Department

awellwood@gcgmail.org

Started at GCHS in 2025

Mrs. Wellwood has been teaching since 2009 and has served at four different Catholic schools. She is married with three children who are involved in basketball, baseball, and cheer.

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Williams, Nancy

Business Office

nancywilliams@gcgmail.org

Started at GCHS in 2023

Nancy Williams began working at Gross Catholic in 2023. She is the Senior Accountant in the Business Office.