• Photo of Fletcher Carron
    Fletch Carron
    Stephen M. Seay ’68 Science Department Chair
    Appointed in 2006
    214-346-8292
    Rice University - B.S.
    About
     
    Appointed as the department chair in 2013, Fletcher Carron holds the Stephen M. Seay ‘68 Science Department chair position. He earned a bachelor’s degree in mechanical engineering from Rice University and teaches Upper School and eighth grade students in the field of physical science (physics and chemistry). He began his St. Mark’s career in 2002 and coaches seventh grade basketball, sponsors the Upper School Robotics Team and has served as Pecos Wilderness Trip group leader. A dad to Fletcher Carron ‘32, he is an advisor in the junior-senior advisory rotation. Carron received the John H. Murrell Excellence in Teaching Award in 2008 and was named the Texas Middle School Coach of the Year in 2019-2020.
  • Photo of Ryan Brewer
    Ryan Brewer
    Biology & Life Science Teacher
    Appointed in 2020
    214-346-8427
    Morehouse College - B.S.
    University of North Florida - M.Ed.
    About
     
    Ryan Brewer began his St. Mark’s career in 2020 and currently serves as biology and life science teacher as a member of the Science Department. Brewer earned his bachelor’s degree from Morehouse College and a master’s degree in education from the University of North Florida. Before joining St. Mark’s, he taught biology at The Bolles School in Jacksonville, FL and also served as a basketball coach and a member of the residential life staff. Brewer serves as an Upper School class sponsor and coaches JV basketball and Middle School football.
  • Photo of Wesley Irons
    Wes Irons
    Physics Teacher
    Appointed in 2021
    214-346-8180
    About
     
    A member of the Science Department faculty, Wesley Irons joined St. Mark’s in 2021 and currently teaches physics to Upper School students. He holds a bachelor’s degree from the University of Texas at Austin and is an avid movie buff and historian. He worked for six years at the Oakridge School in Arlington, where he taught all levels of physics and calculus. Irons is an adviser in the junior-senior class rotation and has participated as an AP reader three times.
  • Photo of Michael Lane
    Michael Lane
    Science Teacher and Director of the Planetarium
    Appointed in 2023
    214-346-8165
    About
     
    Dr. Michael Lane joined the St. Mark’s faculty in 2023 as holder of the Leonard N. “Doc” Nelson Alumni Master Teaching Chair. Lane earned his bachelor’s degree and Ph.D. from the University of California-Berkeley. Before joining St. Mark’s, Lane worked for 24 years at the College Preparatory School in Oakland, CA, teaching physics, chemistry, astronomy and neuroscience, and coaching a variety of sports. Besides teaching Middle School science classes, Lane is the director of the Winn Science Center Planetarium. In 1991, Lane was the winner of the American Chemical Society (Division of Nuclear Chemistry and Technology) Charles D. Coryell Award in nuclear chemistry.
  • Photo of Daniel Lipin
    Dan Lipin
    Biology Teacher
    Appointed in 2022
    214-346-8340
    University of Manchester - BEng/MEng
    University of Queensland - PhD
    About
     
    Dr. Daniel Lipin is a member of the Science Department where he teaches courses in biology to Upper School students. Lipin, who came to St. Mark’s in 2022, earned his bachelor’s degree and master’s degree from the University of Manchester and a doctorate from University of Australia, Brisbane. Before he arrived at St. Mark’s, Lipin taught chemistry, biology, earth science, physics and astronomy at the Hackley School in Tarrytown, N.Y. A dad to Marksman Ron Drori-Lipin ’31, he also has more than ten years of experience coaching Lego robotics. He co-directs the Lower and Middle School Robotics Program and also sponsors the Scientific Marksmen magazine and the Middle School Lego Club. Upon completion of his Ph.D., Lipin won the Dean’s Award for Outstanding Higher Degree by Research Theses (2010). While teaching at the Hackley School, he earned the Mary Lambos Award for excellence in teaching (2013) and the McLean Chair in Mathematics and Science (2020-2022).
  • Photo of Jonathan  Moody
    Jonathan Moody
    Chemistry Teacher
    Appointed in 2021
    214-346-8201
    UT Southwestern Medical Center - PhD
    Texas A&M University - BS
    About
     
    After 15 years at Ursuline Academy of Dallas, where he taught earth science, chemistry and physics, Dr. Jonathan Moody arrived at St. Mark’s as a chemistry teacher in 2021. Moody coaches Middle School cross-country and track & field, is a freshman adviser and participated as a group leader in the Wilderness Program. He earned his B.S. from Texas A&M University and Ph.D. from UT Southwestern Medical Center. Moody has twice received the Work of Heart award from the Catholic Foundation of Dallas, was named a Regional Coach of the Year in 2021 by the Positive Coaching Alliance and was named the 2017 Texas Cross-Country Coach of the Year by the Lone Star Christian Sports Network.
  • Photo of Kenneth Owens
    Ken Owens '89
    Chemistry Teacher
    Appointed in 1997
    214-346-8503
    Rice University - B.A.
    University of Michigan - M.S. (Chemistry)
    About
     
    Ken Owens is a 1989 graduate of St. Mark’s and now serves as a chemistry teacher. He earned a B.A. from Rice University and an M.S. from the University of Michigan. Owens previously taught at The Oakridge School in Arlington and worked for the Rice University Police Department, volunteered at Mount Rushmore and ran blood drives. He sponsors the U.S. Department of Energy Science Bowl competition for Upper School students. Owens received the John H. Murrell Excellence in Teaching Award in 2003 and belongs to the National Science Teaching Association, the Associated Chemistry Teachers of Texas, the Science Teachers Association of Texas and the American Geophysical Union.

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.