Faculty / Staff Contacts

Mike Wisnor
Wisnor, Mike
Interim Head of School
Interim Head of School – Mr. Mike Wisnor
Mr. Wisnor joined St. Brendan School in June of 2022 as the Interim Head of School, and also serves as the President of Incarnate Word Academy in Parma Heights. Mr. Wisnor has a BBA from Tiffin University and an MBA from Case Western Reserve University, plus over 30 years of experience in teaching, administration, marketing, and consulting. He has a passion for Catholic education and, although he enjoyed working for 13 years at a Catholic high school, he relishes the opportunity to work with students, parents, and faculty at the Pre-K – Grade 8 level. Mr. Wisnor lives in Elyria with his wife of 32 years, Michelle, and has three daughters (Breanna, Lauren, and Sydney) and four grandchildren (Cavanaugh, Bo, Lottie, and Jack). In his spare time, Mr. Wisnor loves to read, cook, play sports, and ride motorcycles.  
Julie Onacila
Onacila, Julie

School Principal – Miss Julie Onacila

I have called Saint Brendan my home for 21 years and have been in Catholic education for 32 years. It is a true blessing to be part of a welcoming and nurturing Catholic school and parish family. Sharing this vocation with a team of dedicated faculty and staff, who firmly believe in the mission, is a gift. Our pastor actively supports the school and contributes to the overall warm and positive atmosphere.  Working with students and faculty, in various capacities, enables me to keep the root beliefs and values of SBS at the heart of being Anchored in Faith.
Tammy Dobrzeniecki
Dobrzeniecki, Tammy

School Secretary – Mrs. Tammy Dobrzeniecki

Hello from Tammy Dobrzeniecki, alias Mrs. D., school secretary. This name was chosen for me when I started working in Catholic education in 1999; it made it easy for students and parents to pronounce.  My career started at the school that my children attended and I have been in love with the experience ever since!!  Being able to incorporate prayer, learning and fun have stuck with me since I was in Catholic grade school and high school.  I am blessed that God’s direction led me to St. Brendan in 2014.  There is a true sense of unity, faith and togetherness that can be felt when you enter our doors.  

Danielle Macejko
Macejko, Danielle
Pre-Kindergarten Teacher
Pre-Kindergarten – Mrs. Danielle Macejko
Hello! My name is Danielle Macejko and I am the PreK teacher here at St. Brendan School. I graduated from The University of Toledo with a degree in Early Childhood Education. This is my first year at St. Brendan's, however; previously I have taught Title one for a year, Second grade for 6, and Preschool going on my 4th year.  I feel extremely blessed to be a part of this amazing school. Having had a Catholic Education beginning in Kindergarten and through 12th grade I understand the importance of living and teaching a life around God. I am passionate about teaching and consider it one of my greatest loves. I strive to create a classroom filled with love, learning,and  acceptance. When I am not teaching I enjoy spending time with my family, dog Bexley, friends, exercising and watching my daughter Annabelle play soccer. 
Libby Colborn
Colborn, Libby
Pre-Kindergarten Aide
Pre-Kindergarten Aide – Miss Libby Colborn
I have been lucky to be the PreK aide at St. Brendan School since 2016. I received my associate degree at Cuyahoga Community College and studied Early Childhood Education at Cleveland State University. I have had the great joy of watching many students grow up and feel incredibly blessed to be part of their SBS experience.
Kerry McGovern
McGovern, Kerry

Kindergarten Teacher – Miss Kerry McGovern

Hi! My name is Kerry McGovern and I have been the kindergarten teacher here at St. Brendan School since 2020. I received my Bachelor's degree in Early Childhood Education from Cleveland State University in 2018, and later obtained my K-12 reading endorsement in a graduate program at Bowling Green State University in 2019. Having attended Catholic school myself from Kindergarten through 8th grade, I have been encouraged to not only share my faith and the word of God with my students, but also strengthen and grow my own personal relationship with God. My passions in teaching include seeing how much my student’s grow and progress over time, and watching their faces light up when they learn something new and exciting. I love being able to grow personal relationships with my students as well by getting to know their interests, and incorporating those interests into our daily lessons. I enjoy engaging my students in a variety of multimodal activities and providing them with a foundation for lifelong learning. 

Ashley Cascio
Cascio, Ashley
Grade 1
First-Grade Teacher –  Miss Ashley Cascio
Hello! My name is Ashley Cascio and I am the 1st grade teacher at St. Brendan School. I graduated from the University of Mount Union in May of 2022. I graduated as a double major with degrees in Elementary Education and Elementary Intervention. I also minored in Psychology. This will be my first year as a teacher and first year at St. Brendan School. I chose Catholic education because I want to mentor and support students in their faith and academic journeys just as I did when I attended Catholic school. I aspire to create a classroom environment that fosters students' growth and allows them to be involved in their own learning through engaging lessons. My passion is working with children to help them become the best versions of themselves inside and outside of the classroom. In my free time, I enjoy spending time with my dog, family, and friends. I also enjoy exercising and playing sports when I am not in the classroom. 
Leanna Guelker
Guelker, Leanna
Grade 2

Second-Grade Teacher – Ms. Leanna Guelker

Hi! My name is Leanna Guelker. I am the second grade teacher at St. Brendan School. I have been a Catholic school teacher for 18 years. Being a teacher is one of my greatest joys! In my day to day lessons, I strive to find ways to incorporate activities that actively engage students in their learning that goes beyond the text book. When I am not in the classroom, I enjoy spending time with my three beautiful daughters Grace, Emma and Olivia. A year ago, I purchased a 128 year old house and in my spare time I enjoy working on renovation projects.

Rachel Lammers
Lammers, Rachel
Grade 3

Third-Grade Teacher – Mrs. Rachel Lammers

My name is Rachel Lammers, and I am the 3rd grade teacher here at St. Brendan! I am so excited to be in my sixth year of teaching, and my third year here at St. Brendan School! I received my bachelor’s degree from Ashland University in 2018 with a 4th and 5th grade endorsement.  I received my reading endorsement in the summer of 2020 and am working on finishing up my Masters of Curriculum and Instruction through Bowling Green State University.  Having attended Catholic grade school from K-8th grade, I understand the value of Catholic education and integrating that growth and development into the entire student experience. I look forward to bringing my passion of making learning engaging to the students of SBS.
Jessica Synder
Synder, Jessica
Forth and Fifth-Grade Teacher
Fourth-Grade Homeroom – Miss Jessica Snyder 
Hi! My name is Jessica Snyder. I am the 4th grade homeroom teacher at St. Brendan School. I graduated from Kent State University in May of 2023. At Kent State University, I majored in Early Childhood Education and minored in Mild to Moderate Special Education. This is my first year teaching and my first year at St. Brendan School. I enjoy watching my students grow in their academic and faith journeys. I am looking forward to a fun, faith filled year. 
Christina Kotsanis
Kotsanis, Christina
Forth and Fifth-Grade Teacher
Fifth-Grade Homeroom – Mrs. Christina Kotsanis
Hello! My name is Christina Kotsanis and I am the fifth grade homeroom teacher. I stayed home for several years to raise our four children and came back to teaching in the fall of 2021. I have 10 years of teaching experience and this is my first year at St. Brendan. I earned an undergraduate degree in Hearing and Speech Science from Ohio University, and a masters degree in Educational Administration from Franciscan University. My passion for teaching includes helping my students to grow academically and to grow in their faith journeys. I feel blessed to be at SBS, and look forward to creating a positive classroom culture filled with the joy of learning and founded in faith.
Madison Mostoller
Mostoller, Madison
Jr. High Science and Health/Grade 6 Homeroom
Sixth Grade Homeroom / Jr. High Science and Health – 
Miss Madison Mostoller
Hello! I am Miss Mostoller, 2023 was my first year teaching at St. Brendan. I graduated from Bowling Green State University in May of 2023 with a Bachelors in Middle Childhood Education with concentrations in math and science. I am an advocate for private education after attending Incarnate Word Academy and Magnificat High School. I look forward to seeing my students grow as scholars and as individuals throughout the years.
Emily Sinclair
Sinclair, Emily
Jr. High ELA Reading / Grade 7 Homeroom

Seventh-Grade Homeroom / Jr. High ELA – Mrs. Emily Sinclair

Mrs. Sinclair has been teaching at St. Brendan since 2018, and has taught for a total of eight years. She finds teaching in a Catholic school to be a delightful experience, and a familiar feeling since she attended St. Patrick West Park school and St. Joseph Academy. Mrs. Sinclair earned her Bachelor of the Arts from Cleveland State University and has completed some graduate courses. She loves St. Brendan’s small class sizes which allows her to learn more about her students on an individual level. Her favorite part of teaching is analyzing stories with students and bringing them to life in her classroom.

Frank O'Grady
O'Grady, Frank
Jr. High Religion and Social Studies / Grade 8 Homeroom
Eighth-Grade Homeroom / Jr. High Social Studies and Religion – Mr. Frank O'Grady
Mr. O’Grady is in his first year as a teacher at St. Brendan School as the Junior High History and Religion teacher. (12th year as an educator.) Mr. O’Grady is very excited to be teaching at a Catholic school after attending 12 years of Catholic school growing up, including being a graduate of St. Edward High School. Mr. O’Grady has a Master of Education (M.Ed.) degree (Curriculum & Instruction) from Cleveland State University, with an Integrated Social Studies teacher license (grades 7-12). He is also a graduate of Kent State, (BA, Political Science). Mr. O’Grady was awarded NHD Teacher of the Year for Ohio in 2016. He has been selected to many summer teacher programs, including to: Normandy France; Pearl Harbor; Gettysburg; and Ford’s Theatre (Washington, DC). Before becoming a teacher, he served in the U.S. Air Force in jet pilot training and as a U.S. Air Force Intelligence Officer, (1st Lieutenant, USAF). Mr. O’Grady has been married to Kim (also a teacher) for 33 years and they are the proud parents of three children and grandparents of three grandkids.
Ryan Schlitter
Schlitter, Ryan
Jr. High Math / PE Teacher

Jr. High Math / PE Teacher – Mr. Ryan Schlitter

Mr. Schlitter is the Junior High Math teacher, he has been a teacher at St. Brendan since the 2010-2011 School year. He also has experience at St. Brendan teaching multiple levels of math at each grade level along with Algebra for qualifying 8th graders. In the past he also has taught grades 6-8 Religion, 5th grade math, and K-8 Enrichment. Mr. Schlitter began teaching Physical Education in the 2023-24 school year for grades Pre K-8. He has experience coaching high school and middle school football, basketball, and track and field. He is also certified to teach Social Studies and has a marketing degree from Kent State University.
Mary Welch
Welch, Mary

Library / Maker Space – Mrs. Mary Welch

The 2023-24 school year marks my 6th year at St. Brendan School. I teach weekly library classes to all grades that focus on fostering a love for reading, reinforcing literary skills, and encouraging critical thinking. I also have the pleasure to teach Maker Space classes to grades Pre-K through 8. These classes are designed to give our students hands-on learning experience in a creative and collaborative setting. The classes introduce the design process, as well as a variety of technologies, ranging from robotics to circuitry. In both roles, one of the things I love most is watching and helping students discover new things – be it a book series that challenges them and lets their imagination take flight or the realization that they can successfully negotiate a complicated problem or a design challenge. As an added benefit, this all occurs within a supportive, faith filled environment in which kindness, respect, community, gratitude and a relationship with our Lord guides our students and faculty.

Katie Molseed
Molseed, Katie
Art Mrs. Katie Molseed
Hello. My name is Katie Molseed and I am excited to be teaching art this year at St. Brendan School. My husband, Dave, and I have 5 children. Four of them have graduated from St. Brendan School and our youngest is in 2nd grade this year. St. Brendan has been our parish and the heart of our home for the last 18 years.

I attended the University of Dayton for both my Bachelor's and a Master's degrees. My faith filled experiences throughout my life led me to pursue my Master's in Theology. I have been a volunteer leader at St. Brendan with many creative projects through Vacation Bible School, Girl Scouts and Cub Scouts. I look forward to helping the students learn about art, try new techniques, find their creative voice and help them discover the unique gifts and talents that God has given each one of them.
Vincent Longo
Longo, Vincent

Music – Mr. Vince Longo

Mr. Vincent Longo is a graduate of Baldwin Wallace University’s Conservatory of Music where he earned his bachelor’s degree in Music Education. The variety of musical experiences and the sense of community that was created in the process is something that he is passionate about sharing in the classroom. 

Outside of Saint Brendan, Vincent teaches PreK-8 music at Saint Bernadette and serves as an assistant marching band director at North Ridgeville High School. He maintains a private studio of trumpet and trombone students and directs a community jazz ensemble at Baldwin Wallace. Vincent is truly looking forward to meeting this community and working with the students in making music class a fun and memorable part of their education that will enrich their lives beyond the classroom.

Faith Manning
Manning, Faith
Educational Aide

Educational Aide – Mrs. Faith Manning

My name is Faith Manning and I am the Educational Aide at St. Brendan School.  I have been in this position since 2005.  You will find me all over the school – in the classroom, lunch/recess, and in the office.  St. Brendan School holds a special place in my heart since I am a graduate myself (Class of 1981), a parishioner, and my 2 children both graduated from SBS.  I feel so blessed to be able to share my faith with the students and staff every day and to grow in our faith journey together!  

Debbie Ryba
Ryba, Debbie
Auxiliary Clerk / Educational Aide
Educational Aide – Mrs. Debbie Ryba
Debbie Ryba grew up in North Olmsted and received her BA from John Carroll University. She has been the Auxiliary Clerk at St. Brendan’s since September 2012. In August 2020, Mrs. Ryba expanded her role, dedicating part of her day to the classroom as an aide. During her initial two years in the classroom, Mrs. Ryba contributed to the development of first-grade students. This academic year, she has transitioned to working with students in grades 5-8, further showcasing her versatility and dedication to fostering a positive learning environment. Mrs. Ryba is passionate about supporting students in their learning journey and finds joy in contributing to their educational experience.
Jacob Halusker
Halusker, Jacob
Jr. High Latin
Latin Mr. Jake Halusker
Salvete, omnes!  I am thrilled to be bringing the many benefits of studying the Latin language to Saint Brendan!  I am a graduate of St. Ignatius HS and Xavier University, with a degree in Latin, Ancient Greek, and philosophy. Having taught Latin at the junior high level since 2010, I have plenty of experience adapting the challenges of the classical language to the developing adolescent mindset.  In addition to Latin at SBS, I currently teach Etymology (PreK-4), World Cultures (5), and Latin (6-8) at Incarnate Word Academy in Parma Heights, and I also coach the highly successful IWA academic challenge team.  I am really looking forward to continuing to foster a love of Latin at SBS, and I know that the students and parents alike will see a lasting effect on the children's English grammar, vocabulary, organization, and critical thinking skills throughout this program!
Dr. Rose Mucci
Mucci, Dr. Rose
Etymology Dr. Rose Mucci 
Hello, I have spent over 40 years in the field of education. My most recent experience was serving as a principal at Incarnate Word Academy. My heart, however, is in the classroom. I started my teaching career at St. Anthony of Padua in Parma and continued as an instructor for 20 years before becoming an administrator. My faith has always been important to me, so teaching in a Christ-centered environment where I can share my faith with students is a gift. I feel blessed as I look forward to seeing my students and fellow staff members every time I enter the building. I’m excited to be at St. Brendan’s and in the classroom again.
Eileen Harrigan
Harrigan, Eileen
Speech Pathologist – Ms. Harrigan
Eileen Harrigan has been the Speech-Language Pathologist at St. Brendan School since 2003. She obtained her undergraduate degree from The Ohio State University and her graduate degree from Cleveland State University. She absolutely loves working with all of the children at her schools throughout the area and pridefully states how they make her love her job more and more everyday. Ms. Harrigan also enjoys watching Ohio sports teams, running, hiking, gardening, reading and spending time with my family and friends. 
Jason Lawrence
Lawrence, Jason
School Counselor
Counselor – Mr. Jason Lawrence
Mr. Lawrence has been the counselor at St. Brendan since the 2021-2022 school year. He received his undergraduate and graduate degrees in psychology from Cleveland State University. St Brendan is one of three schools serviced by Mr. Lawrence through PSI.
Elaine Denega
Denega, Elaine
Remedial Teacher
Remedial Teacher – Mrs. Elaine Denega 
I have been working at St. Brendan School since 1983.  I taught third grade for seven years and then resigned after having my first child.  I thought I was done with the Catholic school system but “Someone” had other plans.  A position (9 hours weekly) on the modular unit opened up, and I was hired as a remedial tutor.  My position has grown immensely since those early years.  While I work with children in a small group setting in the areas of math, reading and written expression, my favorite area of instruction is decoding.  My students and I unlock, the sometimes mysterious, rules and generalizations that govern our English language.  Watching my students apply their decoding knowledge to new and ever increasing complicated words to become accurate and fluent readers is why I got into the field of education.  I consider myself very fortunate to have spent the vast majority of my career at St. Brendan School.
Sue Caroscio
Caroscio, Sue
Website Administrator

Website Administrator – Mrs. Sue Caroscio

Mrs. Sue Caroscio has been administrator over the school and parish website since 2017. She has been at St. Brendan since 2005 as a substitute teacher and was a full time teacher here for 6 years before semi-retiring. She lives in Middleburg Heights, St. Bartholomew Parish, with her husband for over 35 years raising their three children. She, her husband, and children are all a product of the Catholic school system kindergarten through high school. She is deeply rooted in faith, community and Catholic education. 

St. Brendan School

4242 Brendan Lane
North Olmsted, Ohio 44070
P: 440-777-8433 | F: 440-779-7997
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