• Photo of Bridget Redondo-Doan
    Bridget Redondo-Doan
    Lower School Counselor
    Appointed in 2021
    214-346-8327
    Vanderbilt University - B.A.
    University of Southern California - M.A.
    About
     
    Bridget Redondo-Doan earned a bachelor’s degree from Vanderbilt University and a M.F.T. from University of Southern California. She has been serving as Lower School counselor since joining the faculty in 2021 as a member of the Marksman Wellness Center team. Previously, Redondo-Doan was a clinical therapist at Children’s Medical Center Dallas and a therapist at Dallas Metrocare. She is a licensed marriage and family therapist supervisor and licensed professional counselor. She is a member of the American School Counselor Association, the American Psychological Association, the American Association of Marriage and Family Therapy and the Lonestar State School Counselor Association.
  • Photo of Gabriela Reed
    Gabby Reed
    Director of Marksman Wellness Center
    Appointed in 2014
    214-346-8310
    Texas A&M University - B.S.
    UT Southwestern Medical Center Dallas - Ph.D.
    About
     
    Dr. Gabriela Reed has been a member of the St. Mark’s community since 2014. She is a licensed clinical psychologist and currently serves as the director of the Marksman Wellness Center. She earned her B.S. from Texas A&M University and Ph.D. from the University of Texas Southwestern Medical Center, where she served as chief resident. Dr. Reed completed her post-doctoral fellowship at Children’s Health and was a psychologist in the Department of Gastroenterology. She developed the Middle School Health and Wellness curriculum and teaches the seventh and eighth grade health and wellness classes.
  • Photo of Joel Reemtsma
    Joel Reemtsma
    Head Varsity Soccer Coach
    Appointed in 2013
  • Photo of Brenda Reyes
    Brenda Reyes
    Food Services Staff
    Appointed in 2014
    214-346-8175
  • Photo of Rachel Richards
    Rachel Richards
    Student Store
    Appointed in 2024
  • Photo of Ryder Richards
    Ryder Richards
    3-D Design & Woodworking Teacher
    Appointed in 2025
    214-346-8178
    Texas Christian University - Masters
    Texas Tech University - Bachelors
    About
     
    A Texas native, Ryder grew up in Lubbock and earned a B.F.A. from Texas Tech and an M.F.A. from Texas Christian University. A talented artist, teacher, and gallery director, Ryder’s work has been featured in many exhibitions, including at the Dallas Museum of Art, the Nasher Sculpture Center, and the Roswell Museum. Beyond creating his own art, Ryder has been a visiting artist at St. Mark’s and taught at TCU, Eastfield College, and Richland College, in addition to serving as an adjudicator for the ISAS Fine Arts Festival.  
  • Photo of Raeann Robertson
    Raeann Robertson
    Development Assistant
    Appointed in 2021
    214-346-8807
    University of Alberta - B.S.
    About
     
    A native of Canada, Raeann Robertson became a member of the Office of Development and Alumni Relations in 2023 where she serves as development assistant. She earned a Bachelor of Science degree from the University of Alberta, Canada. Before coming to St. Mark’s, Robertson worked in early childhood education in the classroom and administration at Wesley Prep. Prior to that, she worked as a blood bank technologist at Carter Blood Care. She holds Childcare Development Associate certification, is a medical technologist, a blood bank technologist and is a member of the American Society of Clinical Pathology.
  • Photo of Eliza Rosenbloom
    Eliza Rosenbloom
    Academic and Wellness Specialist
    Appointed in 2023
    214-346-8167
    Texas A&M University - B.S.
    Washington University in St. Louis - Master of Social Work
  • Photo of William Roudabush
    Will Roudabush
    Humanities 8; English 9
    Appointed in 2025
    214-346-8193
    Rhodes College - B.A.
    University of Alabama - M.A.
    Southern Methodist University - Ph.D.
    About
     
    Dr. Will Roudabush earned a B.A. from Rhodes College (Phi Beta Kappa), an M.A. from the Hudson Strode Program in Renaissance Studies at the University of Alabama, and a Ph.D. from Southern Methodist University, where he taught First-Year Writing, Honors Humanities, Literary Studies, Drama, and British Literature. He has also taught in Bard College’s Language & Thinking Program and studied at Oxford, Venice International University, the California Rare Book School, and the Folger Shakespeare Institute. At St. Mark’s, he advises students in their freshman and sophomore years, coaches tennis, and teaches Humanities 8 and English 9. 
  • Photo of Maria Russo
    Maria Russo
    Lower School Spanish Teacher
    Appointed in 2023
    214-346-8159
  • Photo of Christopher Rutherford
    Christopher Rutherford
    Humanities Teacher
    Appointed in 2020
    214-346-8431
    Occidental College - B.A.
    Claremont Graduate University - M.A.
    About
     
    Christopher Rutherford arrived at St. Mark’s in 2020 after previously teaching at Harvard-Westlake School in Los Angeles and at Colegio Los Nogales in Bogota, Colombia. He earned his B.A. from Occidental College and an M.A. from Claremont Graduate University. Rutherford teaches humanities, coaches baseball, sponsors the Baseball Club and serves as an eighth grade adviser.

St. Mark’s School of Texas

10600 Preston Road
Dallas, TX 75230

Main School Number
(214) 346-8000

Upper School Office
(214) 346-8107

Middle School Office
(214) 346-8103

Lower School Office
(214) 346-8210

Admission Office
(214) 346-8700

Development Office
(214) 346-8800

Business Office
(214) 346-8117

St. Mark’s School of Texas

10600 Preston Road
Dallas, Texas 75230
214-346-8000

About Us

St. Mark’s School of Texas is a private, nonsectarian college-preparatory boys’ day school for students in grades 1 through 12, located in Dallas, Texas. St. Mark’s aims to prepare young men to assume leadership and responsibility in a competitive and changing world.

St. Mark’s does not discriminate in the administration of its admission and education policies on the basis of race, color, religion, sexual orientation, or national or ethnic origin.