GHS Math Teachers
Mrs. Lourdes Ferrer
I am Ms. Ferrer. I am the Resource Teacher for the amazing Math Department at Gaithersburg High School. This year, I teach 2- year Algebra 2. There is no place I would rather be than here with my Trojan family. I am happy to be a part of the awesome Math department. I love teaching and I am always excited to see my students every single day. We love to explore math learning together like we are one big family. We support and encourage each other, and as we learn, we discover the talents of each student in a fun and engaging way. It seems like the limit of each student’s potential is approaching infinity, or should I say the sky is the limit when it comes to our learning journey. I believe that teaching math requires both the “art” and the “heart”. M- ath must be taught with an A- rt T- ogether with the H-eart. When I am not teaching, I am a happy mom and a wife . I love singing, cooking, and going to the beach.
Ms. Michelle Welch
Hi! I teach Geometry and Honors Pre-Calculus. Gaithersburg High School is where I was meant to be. I love math, and I enjoy helping students find the fun in it too! Other things in my life that I love are my dog, Bailey, my husband, Nick, and adventures to new places outdoors!
Mr. Rommel Villamor
Hello! I teach Financial Math and Calculus with Applications this year. I also coach Boys' Varsity Volleyball at GHS. As a teacher, I am with George Evans, who said, “Every child can learn. Just not on the same day or in the same way.”
I am married and with two boys, a Belgian Malinois, and a Goldendoodle, we enjoy traveling and outdoor activities.
Ms. Claudia Pagano
I teach Algebra 1 and Honors Algebra 2 with the best teachers at Gaithersburg High School. This is my 25th year of teaching. I love working with students to help them build a love for math and accomplish their goals for the future!
Ms. Carol Previti
I teach Quantitative Literacy and Geometry and I love being a part of the Gaithersburg Math Department! I have been teaching for about 15 years. When I'm not teaching, I spend time with my three sons, my two Scottish Terriers, or do some work with flowers and plants. I love driving my car and going to different places.
Ms. Eva Aguipo
I teach Algebra 1 and Honors Geometry. I was born in the Philippines and teaching is my passion. I am happily married and blessed with 3 children and I love to eat, sing, dance and travel to different places. I am very happy and grateful to be part of the awesome Math team in Gaithersburg High School.
Mr. Dennis Roos
I joined GHS in 2017 after teaching at Walter Johnson HS and Neelsville MS. I am an avid traveler who has enjoyed many of the great cities like Vienna, Berlin, Dresden and Munich. Another great love has been the incredible National Parks in California and Wyoming.
I am a father of three children and blessed with a grandson, I live in Montgomery County and enjoy all of its great public golf courses.
Mr. Charles Wang
Hello! I am teaching DP ESOL Algebra and ESOL Geometry this year. I have been teaching since 1997 and love working with school students and staff. I can communicate in Espanol and 中文. I love to travel with my family and try different foods from all over. It's going to be a great year!
Mr. Thomas Powell
Hello! I teach Algebra 1 and 2. This is going to be my eighth year @ GHS. As a teacher, I have good energy, am willing to try different strategies to help students' understanding, and enjoy getting to know all my students.
I am married with three kids. When I'm not thinking about math I love to cook, watch football, and plan our next vacation trip. I wish you all much success in your math class.
Mr. Jeremy Youngdale
Who am I?
Just your everyday run-of-the-mill College Test Prep and Stat teacher & Math enthusiast / GHS Pi Week Innovator / Football Coach and Fan who is looking forward to the start of my 23rd year at Gaithersburg.
Mr. Joel Mallillin
Hi everyone! I teach Algebra 1, Related Math, and Honors Precalculus class this year at Gaithersburg High School which I call home. I always put my heart into what I do and I love being around students, I feel more blessed.
My core value is anchored towards the golden rule.
Hiking or a trip to nature is an adventure that I always look forward doing when free or on break.
Ms. Ruth Newlin
Hi! I'm Ms. Newlin. This is my 14th year teaching at GHS. I currently teach Algebra 1, Algebra 2, and Pre-Calculus. I'm originally from San Bernardino, CA and I've lived in MoCo for 26 years. My degrees are in Biology and Public Health. I love, love, love my students, my family and friends, my dog, traveling, yoga, music, dance, and enjoying nature. Looking forward to learning and growing with you this year! Here I am in Machu Picchu, Peru before the pandemic!
Mr. Aaron Shakin
I joined Gaithersburg High School in 2017 and currently teach Pre-Calculus and AP Calculus AB. Prior to teaching, I worked as an engineer in the defense industry. I really enjoy being part of the community at GHS and inspiring students to work towards careers in STEM. Outside of the classroom, I enjoy biking and live music.
Mr. Andrew T. Duncan
I teach Honors Algebra II and AP BC Calculus. I have been at GHS for over 16 years and love this place! I am a giant math nerd/geek and I absolutely sharing my love of math with others.
Ms. Charleigh Sommer
This is my first year at Gaithersburg High School, and I am super excited! This is my 8th year teaching in MCPS, and I am teaching Algebra 1, Related Math, and Geometry. I am really excited to get to know all of you! Outside of the classroom, I try to spend as much time with my dog as possible! I also swim, play roller derby, and LOVE playing board games and video games.
Ms. Hannah Strelser
Hi! I teach Geometry and Algebra 2 at Gaithersburg. This is my second-year teaching, and I am so excited to be part of the GHS math department! When I am not teaching, I enjoy exploring new areas, hiking, and hanging out with my dog (Riley).
Mrs. Erin Gentzel
I will be teaching Algebra 1 and Geometry. I am originally from Gaithersburg, Maryland, graduating from GHS in 1993. I attended college at the University of New Orleans and have been teaching mathematics in Washington County for the last 21 years. I am very excited to return to my alma mater to work in the community where I grew up. I am passionate about teaching; I love my students and I am delighted to join the GHS Math team!
Outside of school, I am a wife to Dave Gentzel who teaches at Cabin John Middle School and mother to Cora and Luke. Cora plays soccer and runs cross-country and track while Luke plays lacrosse and runs cross-country and track. I also have two rescue dogs, Rigby and Blossom.
P.S. I LOVE seafood, especially Maryland Crabs!
Ms. Rose Cunningham
rosemary_j_cunningham@mcpsmd.org
I am a Geometry and Algebra 1 teacher at GHS, and incredibly excited to be a part of the Math Department! I graduated from Seneca Valley HS, and proud to continue my career in MCPS. I graduated from the University of Maryland with a Bachelors in Mathematics and Masters in Education.
Outside of school I love to try new restaurants, go skiing, hanging out with my family and my dog Attie!