Technology – Brady Gradowski
Brady Gradowski graduated in 2015 from Loyola University of Chicago with a Bachelor's degree in Philosophy and a minor in Theology. In 2017, Mr. Gradowski earned a Masters of Education degree in Instructional Technology before joining Holy Cross faculty in 2018.
Mr. Gradowski is the technology teacher for all students (PK4-8th Grade) and acts as on-site IT support for the school and rectory. Mr. Gradowski is thankful for the opportunity to share his love of technology with the students and is excited to prepare them for the digital age that they are growing up in.
Music and Performing Arts – Dr. Mariana Mihai-Zoeter
Dr. Mihai-Zoeter graduated from the Bucharest University of Music with a BM in Vocal Performance and Vocal Pedagogy. She received her Masters and Doctoral degrees in Vocal Performance from Shenandoah Conservatory. Dr. Mihai-Zoeter is also a certified voice teacher of the Institute for Contemporary Commercial Music, Vocal Pedagogy Somatic Voicework™, The LoVetri Method. (Musical Theater, Pop, Rock), and in 2014 she received a certification in A Practical Approach to Directing from the Yale University, School of Drama. In 2016 she won the Outstanding Faculty Award at the Leadership Awards Reception at Frostburg State University. In 2012, she received a Diploma and Medal of Excellence from her native city of Braila, Romania for artistic and pedagogic contributions to the vocal arts.
Dr. Mariana prepares her students not only to be good musicians but also teaches them to serve God in a way unique to them through music. Dr. Mariana believes that music can be a real force for love, communication, and a source of great pride for the school.
Physical Education – Thomas Treadwell
Mr. Thomas Treadwell joined the Holy Cross School team in 2019 as the Physical Education teacher. Mr. Treadwell earned a BA in Liberal Studies from American University in 1997. He was a member of American University’s basketball team and was recognized as a Second Team All-Time Award winner. Mr. Treadwell is a graduate of Good Counsel High School. He was inducted into Good Counsel’s Hall of Fame in 2013 for his exceptional contributions as a student athlete. Mr. Treadwell played professional basketball in the European League for Tarragona, Spain and Dublin, Ireland. Mr. Treadwell has an extensive background as a basketball coach, including serving as the JV Basketball Coach at The Heights School and as a coach at his high school alma mater.
Art – Patty Sergi
Patty Sergi earned a Bachelor in Science at University of Massachusetts, Dartmouth and a Master in Business Administration degree at Bentley College. Mrs. Sergi began working at Holy Cross as the First Grade Assistant in 2022. Mrs. Sergi became the Art Teacher in 2023 while still supporting First Grade three days per week. Previously, Mrs Sergi worked for Fidelity Investments in New Hampshire as a Director of Human Resources for 13 years. In 2011, Mrs. Sergi began her education career as the Art Teacher at Country Day School of the Holy Union, a small Catholic school in Massachusetts. In 2019, she transitioned to a Paraprofessional role in the Special Education department at Ayer Shirley Regional Middle School in Massachusetts.
Mrs.Sergi loves being with children every day and truly believes in educating the whole child. She enjoys the energy and excitement that the students bring to school each day.
Library – Jennifer Silva
Holy Cross Librarian, Jennifer Silva earned a Bachelor of Arts from the Catholic University. After working in sales and marketing for many years, she left the workforce to raise her two daughters. During that time, she spent many years volunteering and fundraising for the Holy Cross library, and with much excitement, joined the faculty in 2011. She works in combination with the teachers to increase school-wide literacy and encourage a love of reading among the students. She believes in introducing all reading genres and helping the students discover books that match their interests.
Spanish - Gail Zik