Mr. DavisSarah Ashley (Voskuhl) has been an educator for 13 years. Ms. Ashley began her career at North Harford High School teaching mathematics. After three years, she came to the Science and Mathematics Academy as a mathematics teacher. Ms. Ashley is now the Program Specialist for the SMA, and is responsible for admissions, curriculum, capstone project logistics, and student achievement. Ms. Ashley earned an undergraduate degree in Mathematics from McDaniel College in 2004. Ms. Ashley was the recipient of the Charles J. Miller Award for Excellence in Mathematics Education in 2003 and was designated a Meritorious New Teacher Candidate in 2004. Ms. Ashley earned a Master’s Degree in Mathematics Education from Towson University in 2009. While teaching, Ms. Ashley earned her Administrative I License from Towson University.  She is the co-advisor of the Academic Team and Senior Class advisor. Ms. Ashley was the 2013 recipient of the MCTM Outstanding Mathematics Educator Award, 2015 William J. Sacco Mathematics Educator Awardee, and 2015 MD State Advisory Council on Gifted and Talented Education Teacher Leader Awardee. Ms. Ashley was also a 2016 Northeastern Maryland Technology Council STEM Innovator Awardee.

Mr. DavisA Harford County native, Gareth A. Davis Jr. attended C. Milton Wright high school before being accepted at Cornell University.  There he spent time in the Engineering school, before realizing a greater passion for horticulture.  After graduating from Cornell with a BS in Horticulture, he continued his studies at the University of Delaware. There he worked on improving the propagation of native plants through the use of tissue culture.  Once his Master of Science degree was completed, Mr. Davis began working for the United States Department of Agriculture at the Beltsville Area Research Center. There he worked on removing foreign pathogens from plant material being imported into the United States for breeding purposes.  After almost a decade in the research lab, Mr. Davis was ready for a chance to share his research skills with upcoming generations of scientists and engineers.  The Science and Mathematics Academy is that perfect opportunity, and he looks forward to helping many future classes become top-notch researchers. His primary courses are SRT 1, 2, and 4, but he also offers electives in Technical Writing, Materials Science, and Plant Physiology.

Mr. EvansMark Evans has been teaching mathematics for 16 years. He earned his undergraduate degree in Mathematics and Secondary Education and his Master’s in Applied and Industrial Mathematics, both from Towson University. Mr. Evans served on the steering committee for the Science and Mathematics Academy from 2001 until it opened in 2004. He helped develop the curriculum for the four Science, Research, and Technology (SRT) courses at the SMA. In addition he wrote the curriculum for the Robotics, Cryptology, and Microcontrollers electives. In 2008 Mr. Evans was a teacher of the year finalist. He helped start and run the FIRST robotics team at Aberdeen in 2006.

Ms. GabrielYvonne Gabriel came to the SMA in 2006, after 10 years of teaching in Baltimore City and County. She has earned a variety of certifications during her teaching career, including Earth Sciences, Health Sciences, Administrative Leadership I, Special Ed, and Reading. Additionally, she has earned certification by the National Board for Professional Science Teachers, from ESRI in Geospatial Technology and from ACE in Personal Training. Her recent teaching assignments have included Earth Science, AP Environmental Science, SRT 3 and 4, Health, and elective classes in Kinesiology and Sports Physiology. She has also contributed to the development of various county science curricula and the new HCPS Teacher Evaluation tool. Ms. Gabriel was selected to be the graduation speaker for AHS in 2012, for her role as STEM Coordinator and was also a 2008 Teacher of the Year finalist. She has attended West Chester, Saint Joseph’s, and Towson Universities and continues to participate in post graduate studies as a perpetual enthusiast of learning. She loves working and learning with the students and teachers of the SMA!

Mr. BlytheKevin Blythe has been teaching in Harford County for 24 years, the past 14 at Aberdeen High School.  He earned his bachelor degree in mathematics and history at Elon College (now Elon University) and his Master’s in Education from Wake Forest University.  He has taught computer science the past 12 years and AP Statistics for 8 years.  He looks forward to expanding his teaching through his involvement with the SMA.



Ms. LibertoDiana Liberto has taught Mathematics for nine years. She earned her undergraduate degree in Mathematics from Elon University in 2005 and her graduate degree in Mathematics Education from Wake Forest University. While teaching, Diana earned her Administrative I License from Towson University. In 2012, she became Nationally Board Certified in Adolescent and Young Adult Mathematics. While at North Harford High School, Ms. Liberto created a school-based student study period and coordinated the Master Tutor program. She was the AHS/SMA site coordinator for the National Math and Science Initiative. She has coached Tennis, led the Academic Team and participated on the school improvement team. Ms. Liberto was a teacher of the year nominee in 2013. Ms. Liberto was the 2013 Raytheon Math Hero Awardee and 2014 recipient of the William J. Sacco Mathematics Educator Award.

Ms. McDonoughLinda McDonough is a 22 year veteran of teaching, with the past seven years teaching and advising at the SMA.  A former Research Biologist with MRICD, she helped to develop and implement the curriculum for SRT III and SRT IV. She also designed elective classes in Genetics, Ecology, Bacteriology, and Biotechnology, and teaches AP Biology. She received her Master’s in Biology from Towson University, and a Master’s equivalency in Supervision from the College of Notre Dame. While at AHS, Mrs. McDonough has served as the faculty advisor for the Green Team. This group has helped AHS earn Green School status. In her spare time she is the recycling coordinator for AHS, Coach of the AHS Swim Team, serves on the committee for the Earth Day Festival in Harford County, is the summer GEMS program coordinator for MRICD, and volunteers for MERR in Delaware.

Mr. SimmonsAaron Simmons has been teaching Chemistry at Aberdeen High School for twelve years.  He received a Bachelor of Science degree in Chemistry from Bethany College in 2000.  He then worked as a chemist for Matco Associates, Inc. in Pittsburgh, PA followed by Thomas Steel Strip Corporation in Warren, OH.  Upon receiving a Master of Arts degree in Secondary Science Education  from West Virginia University in 2005, Mr. Simmons moved to Maryland to join Harford County Public Schools.  Some of the topics that he brings to the classroom from his professional experience prior to teaching include electroplating, wastewater analysis, aqueous geochemistry, metallurgy, and industrial corrosion/failure analysis.   He has previously taught Chemistry, Honors Chemistry, and AP Chemistry, and next year he will be adding Organic Chemistry and Biochemistry to his schedule.  Mr. Simmons has also been on the HCPS Chemistry curriculum writing team for the past two years and continues to prepare for the upcoming shifts required for the Next Generation Science Standards.  When he is out of the classroom, he loves spending time with his family, traveling, enjoying the outdoors, and playing music with his bandmates at various venues in the Harford County Area.

Mr. WerpsNico Werps is joining the SMA after teaching Physics and Earth Science for five years at Aberdeen.  He attended Towson University where he earned his undergraduate degree in Psychology and Secondary Education, with certifications in Physics, Earth Science, and Environmental Science.  He currently attends Goucher College where he is pursuing a Master’s degree in School Improvement Leadership with an Administrator 1 certification.  Mr. Werps’ passions include Physics and Astronomy, and he looks forward to teaching AP Physics 1, AP Physics 2, and SRT IV in the SMA.  In addition to teaching, Mr. Werps has coached soccer at Aberdeen for four years and enjoys coaching and playing the beautiful game.


Mr. WebsterAndrew Webster has been teaching math at Aberdeen for 5 years.  In the past few years he has also taken on teaching Engineering courses in the PLTW program.  In addition to have taught AVID students he is also an AVID Coordinator.  He went to University of Delaware to earn a degree in Economics, then pursued a Mathematics degree from Millersville University.  Mr. Webster is planning on attending Towson for a Masters in Math Education.  He is also working on a welding certification.  Mr. Webster loves working with metal in the automotive world as well in the bicycle world.  Before becoming a teacher he worked as a professional bicycle mechanic and avid racer. Mr. Webster is extremely excited to be involved with the SMA to expand his love for teaching engineering. He currently teaches CAD, Engineering Design, SRT III, and Principles of Engineering for the Science and Mathematics Academy.