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Leadership Team

Strong leadership is critical to the success of any organization -- especially school districts.

Administrators at the Normandy Schools Collaborative are part of a committed team of educators and support staff focused on the success of all children.

Dr. Rosiline Floyd

Chief of Staff

Dr. Rosiline Floyd joins the Normandy Schools Collaborative as its new Chief of Staff. In her new role, Dr. Floyd will be responsible for overseeing large district-wide, cross-functional projects and initiatives. Dr. Floyd has an extensive background in education, but began her career as an electrical engineer, having received her bachelor’s degree in that field from Purdue University in Indiana.

She later returned to school to earn a master’s degree in business administration from Indiana Wesleyan University, and her doctorate in higher educational administration from Indiana State University in Terre Haute.

Dr. Floyd has over 20 years of experience as a consultant, researcher, education advocate, and school administrator, focusing on improving elementary, secondary and post-secondary educational outcomes of students. In this work, she developed systems, conducted research, and presented locally and nationally on reducing race and socio economics-based education disparities. Dr. Floyd managed the design and delivery of on-site and online professional development content. Her research and work are rooted in implementing culturally sustaining models to promote an increase in college preparation, retention, and graduation rates for students of color, and those from diverse socio-economic backgrounds.

Dr. Crystal Reiter

Associate Superintendent, Curriculum & Instruction

Dr. Crystal Reiter was selected to serve as Interim Superintendent of the Normandy Schools Collaborative (NSC) by the Joint Governing Executive Board in August 2022. She joined NSC as Director of Curriculum & Instruction in 2017 and was named Assistant Superintendent for the Curriculum & Instruction department in February 2021. Dr. Reiter led the district’s academic initiatives and professional development curriculum for teachers in this role. Before joining NSC, Dr. Reiter worked in the Hazelwood School District in various roles, including assistant superintendent, building principal, and classroom teacher. 

Dr. Reiter earned her doctorate degree in Educational Leadership from Maryville University. Her master’s degree is also in Educational Leadership, from Lindenwood University. She earned her bachelor’s degree in Elementary Education from the University of Missouri-Columbia.

Dr. Phil Pusateri

Associate Superintendent for School Operations/Chief Financial Officer

Dr. Pusateri is responsible for the district’s Business Office, Food Service, Maintenance/Facilities, Finance, Transportation, Safety/Security, and Payroll operations. He previously served as the Coordinator of Grants Management for Normandy.

In his previous role as Coordinator of Grants Management, Dr. Pusateri helped secure several substantial funding opportunities including the $20,000 Project Lead the Way/Toyota Foundation grant and the $1.7 million Project RESTORE grant. He was instrumental in streamlining the grants process for staff and administrators and ensuring the funds are properly managed.

Prior to joining Normandy, Dr. Pusateri served as the Head of School Operations for La Salle Middle School, a charter school in St. Louis. At La Salle (and its predecessor De La Salle Middle School), he served in a variety of capacities including school principal and Accreditation Chair/Director of After School Programs. Dr. Pusateri holds a bachelor’s degree in English Literature from Washington University and master’s degree in teaching from Webster University. He earned his doctorate degree in School Leadership from Saint Louis University.

Dr. Christopher Petty

Associate Superintendent for Organizational Effectiveness

Dr. Christopher Petty serves the Normandy Schools Collaborative as Associate Superintendent of Organizational Effectiveness. Prior to joining NSC, Petty worked as Dean of Students for the Hazelwood School District. Dr. Petty has a bachelor’s degree in Elementary and Middle School Education from Harris-Stowe State University, a master’s degree in Educational Administration from the University of Missouri-Saint Louis, and a doctorate degree in Education Leadership with an emphasis in Policy Studies from Maryville University. 

In 2016, Dr. Petty received the Distinguished Alumni Award, from Harris-Stowe State University. It was during this time that he also attended the Harvard Graduate School of Education National Institute for Urban School Leaders. In 2019, the school where Dr. Petty served as principal was bestowed the honor of being named a School of Recognition by the State University of New York.


Dr. Cheryl L. Harris

Assistant Superintendent for Support Services

Dr. Cheryl L. Harris joined Normandy Schools Collaborative in 2017. She served as the Director of Special Programs for the past three years. Her career in education spans a variety of experiences. Dr. Harris is a seasoned educator who has served as a principal, assistant principal, instructional coach, classroom teacher, and reading specialist. Dr. Harris has been in educational administrator roles since 2004 in Riverview Gardens School District, Hazelwood School District, and St. Louis Public Schools. Before entering the education realm, Dr. Harris joined the United States Army and later served in the Army Reserve for 12 years.

Dr. Harris earned her bachelor’s degree in Elementary Education at Harris Stowe State College, MAT in Curriculum and Instruction from Fontbonne University, and an Education Specialist degree from
Webster University. In 2011, she completed her doctorate at Maryville University in Educational Leadership. She is a proud member of Delta Sigma Theta Sorority, Incorporated and has served as the Worthy Matron for the Order of Eastern Stars, Guiding Light Chapter No. 148 at Scott Air Force Base.

Christopher Trahan

Director of Communications

Christopher Trahan joined NSC in 2022. An experienced public relations practitioner, Trahan most recently served as director of communications for Family Forward, a St. Louis non-profit. 

Trahan has prior experience in school public relations and communications, having served as the director of communications and community engagement with the East Baton Rough Parish School System in Louisiana. He also worked in the corporate sector as a communications consultant.

Trahan earned his bachelor’s degree from Louisiana State University and is a past president of the Public Relations Association of Louisiana - Baton Rouge chapter. He is currently working toward his Accreditation in Public Relations certification.

Dr. Tony O. Brooks

Assistant Superintendent of Human Resources

Dr. Tony O. Brooks has joined Normandy as its Assistant Superintendent of Human Resources. Dr. Brooks has more than 22 years of leadership experience, serving in administrative roles in the Hazelwood, Decatur, Illinois and Cahokia, Illinois districts. He’s served as an adjunct professor at Harris-Stowe State University and as a board member of St.Louis Association of Secondary Schools Principals.