It is with heavy hearts that we announce the sudden passing of Brian “Rat” Ratasiewicz, a beloved figure in the Wilmington, Delaware community and a dedicated baseball coach at St. Mark’s High School.
Brian’s unexpected departure has left a profound void in the hearts of many, especially among the students, faculty, and families he touched throughout his life.
Born and raised in Wilmington, Brian embodied the spirit of his hometown. He attended Delcastle Technical High School, where he honed not only his skills but also his passion for sports, particularly baseball.
His love for the game became a defining aspect of his life, influencing his career and the countless young athletes he mentored. Brian’s connection to St. Mark’s High School spanned many years, where he wore multiple hats.
He was the enthusiastic voice of the school, announcing at athletic events and bringing excitement to games, making every student athlete feel special. His infectious energy and unwavering support for the teams made him a cherished presence on campus.
As a member of the baseball coaching staff, he not only taught the fundamentals of the game but also instilled values of teamwork, dedication, and sportsmanship in his players.
This past week, Brian’s final day was a testament to his commitment to St. Mark’s. He spent the morning assisting at the school’s Open House, engaging with prospective students and their families, showcasing the welcoming spirit of the institution he loved.
Later that day, he joined his Saint Mark’s family to watch the Phillies play, sharing laughter and camaraderie that epitomized his character. In a recent career shift, Brian joined the Student Services team at St. Mark’s, a role he described as his dream job.
He often expressed feeling “truly home” in this capacity, where he could impact students’ lives beyond athletics. Brian’s infectious smile and supportive nature were constants, whether in the parking lot, the cafeteria, or study halls.
He had an extraordinary ability to make everyone feel seen and valued, and his presence brought joy to countless students and staff members. Brian’s love for his community extended beyond the classroom and baseball field.
He was a loyal friend and a devoted family man, cherished by those who knew him. His passion for life, unwavering support for his friends, and dedication to his work created a legacy that will continue to inspire others.
In addition to his role as a coach and mentor, Brian was known for his humorous spirit and genuine kindness. Whether sharing a joke in the hallway or offering words of encouragement to a struggling student, he had a knack for lifting spirits.
His contributions to St. Mark’s and the Wilmington community will be remembered fondly, with many students and colleagues carrying forward the lessons he imparted.
As we mourn the loss of Brian “Rat” Ratasiewicz, we also celebrate a life dedicated to service, mentorship, and love. His memory will live on in the hearts of those he touched, and his legacy will continue through the lives of the students he inspired.
