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Highlands Ranch

9579 South University Blvd , #140
Highlands Ranch, CO 80126

Meet the Team at Mathnasium of Highlands Ranch

Our staff is built to teach each student individually, to develop the skills they need to thrive in mathematics, and to foster a love of learning.

Our staff is built to teach each student individually, to develop the skills they need to thrive in mathematics, and to foster a love of learning.

Math Centers / Highlands Ranch / Our Team
Liesl Roberts

Liesl Roberts

Center Director
I have taken all of the math classes up to Calc 3. Two of my favorite classes were College Algebra and Statistics for Math and Engineering Students. Both classes made me realize how much math is used in the "real world". I also was the president of my college newspaper. I grew up playing sports and still love to play volleyball. Recently, I've been learning pickleball and really enjoy it. A recent accomplishment of mine was reading 100 books before the end of the calendar year. I have 10 years of math teaching experience. In college I was a TA for the math department and spent most of my time in math labs for Math 950-1010. I also was a student athlete tutor for math and science. A couple of students that I tutored ended up playing for the Broncos! I also participated in student teaching a high school math class and taught math and science in a 5th/6th grade special education classroom. I have an 8 year old dog and we like to hike and go for long walks. In the summer, I like to go boating and spend time with family at Lake Powell. I also enjoy reading and traveling to concerts around the country.

Fun Fact: I unironically like the song Old Town Road.

Favorite Number: 72. It was the number on the end of my first email address ever.

Education: I moved around a lot in college for work so I attended several different colleges and universities. Most recently, I attended Utah State University with a mathematics emphasis. Go Aggies!

Why I love Mathnasium: I like helping people feel more confident in their math skills. Math is FUN. I promise.

Kassidy Shumway

Regional Operations Director / Owner
Kassidy Shumway grew up in Bountiful, Utah, and graduated from Brigham Young University in 2011. While at BYU, Kassidy earned a Bachelor's of Science degree in Civil Engineering, was a TA in the math department, and also found time to be an All-American and a team captain and member of the BYU Women's Soccer Team. Kassidy has many years of experience coaching children of all ages in soccer. She has been helping students at Mathnasium since January 2013. Kassidy and her husband have two kids and two active dogs.

Fun Fact: I was in a video on YouTube with over 6 million views.

Education: Bachelor of Science in Civil and Environmental Engineering from BYU

Why I love Mathnasium: I love helping kids realize that math can be fun. My favorite part of my job is going into elementary schools and putting on Math Nights. Laughing and having fun with kids while we do math is so rewarding!

Parker Hoggan

Assistant Center Director
Hi, I’m Parker Hoggan. I grew up in the area and love Colorado. Ever since I was a young kid I’ve been fascinated by math. I love understanding the connections between all the different ideas, formulas, and methods and then being able to apply it in real life. I remember being in school and hearing the question, “When am I going to ever use this?” All the time, thankfully. As I always say, math only matters if you can apply it! When I’m not doing math, you’ll likely find me enjoying computers, listening to music, or enjoying a good story.

Fun Fact: I can raise either one of my eyebrows by itself

Favorite Number: e, because e^x is the only function that is its own derivative and integral

Why I love Mathnasium: The students who come in always have some great questions. It's a lot of fun hearing what they're thinking about. It keeps me on my toes!

Maddie Sackett

Assistant Center Director
I have taken numerous math courses within my educational career. Starting in high school, I took algebra one and two followed by geometry, trigonometry, and discrete mathematics. Within my college education, I have chosen to stay on a business math based path as I get my accounting and marketing degree. I have had the opportunity to take college algebra, calculus, income tax, finance, and business analytics. I am currently obtaining a double major at Metropolitan State University of Denver: Accounting and Marketing. I have also been a Lead teacher within ECE for over 3 years. I enjoy hiking with my dog and traveling with my boyfriend. I am a big lover of live music and am often going to local concerts.

Fun Fact: I have 4 pets: one dog named Kevin, one large bearded dragon named Rezz, one ball python named Willow, and one african sideneck turtle named Ralph.

Favorite Number: I like the number 11. I have always liked this number growing up; it was my mom's favorite number as well.

Education: Graduated from Chatfield Senior high in 2020. I will be graduating from Metropolitan school of business within 2 years.

Why I love Mathnasium: I love working in an environment designed to support the specific needs of each student. At Mathnasium, tutors do their best to individualize their teaching to best support their student.

Kaitlyn Holmberg

Lead Instructor
Hi, I'm Kaitlyn, and in high school, I have taken Geometry Honors, Algebra 2 Honors, and Trigonometry/Calculus A, and I am currently enrolled in AP Calculus AB as a senior. I have played on the varsity girls soccer team since freshman year and I also play club soccer in my free time. I also participate in lots of volunteering opportunities throughout the community, National Honors Society, National Spanish Honors Society, DECA, FBLA, Link Crew, and FCCLA. I volunteered at Camp Intervention for 40 hours where I helped elementary school students work through STEM-related concepts during a summer camp. I also worked at Aqua-Tots where I helped kids of all ages learn how to swim and understand their individual needs and how to best help them to be successful. Both activities were related to helping students grow and I learned important skills to help me be successful in addressing student's needs at Mathnasium. Some of my hobbies include playing soccer, spending time with my two younger sisters and friends, hiking, being outdoors, volunteering, and watching sports.

Fun Fact: A fun fact about myself is that I love to travel and explore new places!

Favorite Number: My favorite number is 2 because it is the smallest even prime number and I like how it is used in math.

Education: I attend Thunderridge High School and I am a senior this year.

Why I love Mathnasium: I like working at Mathnasium because it is the best feeling when a student who is frustrated and struggling with a math problem or concept begins to understand why they were getting the problem wrong and starts correcting themselves on future problems. I enjoy building connections with each student and making sure I am able to best meet each student's individual needs so they walk out of their session feeling accomplished and confident in their mathematical abilities.

Geneva Hessee

Lead Instructor
In the past school year, I worked on Geometry and Algebra II. This year, though, I am working on College Trigonometry and I will be taking College Calculus in the spring. I am an honor roll student who really enjoys school. A recent accomplishment was being nominated for student of the year! One of my hobbies is dancing. It is my favorite way to spend free time. I also love web design and cooking.

Fun Fact: One fun fact about me is that I have a 90 pound golden doodle who loves to give giant hugs!

Favorite Number: My favorite number is 51. You would never expect it to be divisible by anything other than one or itself, but it is divisible by 17 and 3.

Education: I go to CEC Inverness and Arapahoe Community College. I am a sophomore and I am working towards a degree in mathematics.

Why I love Mathnasium: I love working at Mathnasium because of our wonderful and smart students! They are always so fun to work with and to watch them grow in math.

Erica Popp

Instructor
In high school I have taken Algebra ll Honors, Trigonometry Honors, Calculus A, and AP Calculus BC and I am currently taking AP Statistics. I am involved in many extracurriculars including ice hockey, unified club and sports, National Honor Society, Spanish National Honor Society, Peace Jam, varsity sport managing, orchestra, TRI-M, and soccer. I have also earned over 500 community service hours and have received three letters for my work in the community. Mathnasium is my first job but I have extensive experience working with kids. I enjoy being a camp counselor at outdoor ed and summer camp several times each year! I love working with kids and helping teach them valuable lessons, even outside of math. Outside of work, school, and extracurricular activities, I enjoy reading, baking, and spending time with family and friends. I also love playing with my dogs!

Fun Fact: A fun fact about myself is that I broke my leg when I was 6 months old!

Favorite Number: 20 is my favorite number as it was the number of my favorite soccer player growing up, Abby Wamback. I have always worn number 20 in soccer and hockey so it has a special meaning to me.

Education: I am currently a Senior at ThunderRidge High School and will be graduating in 2024!

Why I love Mathnasium: I like working at Mathnasium as it is a fun and welcoming environment for kids to learn and grow. Mathnasiuim fosters a love and curiosity surrounding math and teaches lessons about life in general. The people who work at Mathnasium are very kind and supportive which makes everyday fun!

Maahir Shaik

Instructor
In 9th grade, I took Honors Geometry. In 10th grade, I took Honors Algebra II/Trigonometry. In 11th Grade, I took Trigonometry and Calculus A. In my senior year I am taking AP Calculus AB. I have received academic lettering in 10th grade, I am among the top 10 in my graduating class in towards of GPA. I have more than 150 volunteering hours through hospital volunteering and volunteering at my local library. I volunteered at Swedish hospital and Sky Ridge Hospital, helping me to be calm in times of stress as well as learn how to appease people and help people to the best of my abilities using the knowledge I have. My favorite hobbies are playing basketball, playing tennis, going on hikes, and hanging out in general.

Fun Fact: A Fun Fact about me is that I frequently play the piano and I have played at many recitals

Favorite Number: My favorite number is 16 as I was born on May 16, 2006.

Education: I currently go to ThunderRidge High School and I am in my senior year.

Why I love Mathnasium: I love working at Mathnasium because with this job, I make a direct impact on my community. I help these students to build tools that will help them to thrive and live the best life they possibly can as they get older. I also help students with my favorite subject in school which is a personal joy to me.

Ellie Roadifer

Instructor
I have taken AB Calc BC, AP Calc AB, DC Pre-Calculus, and Algebra II/Trig. I have been involved in DECA, Suture Club, Biotech Club, Pre-Health Sciences Club, and Competitive Dance Company. I have also tutored kids at my school in math in partnership with our community service program. I love to read, play pickleball with my family, travel, and hang out with my friends!

Fun Fact: I have been to over 10 countries!

Favorite Number: My favorite number is 27 because there are many different ways to get 27 with just the number 3, which I think is pretty cool. My birthday is also the 27th of February!

Education: I am a senior at Valor Christian High School.

Why I love Mathnasium: I like working at Mathnasium because I love working with kids and getting to do something I am passionate about!

Ava Cary

Instructor
She has taken Algebra II/Trigonometry, Trigonometry/Calculus A, and AP Calculus AB in high school so far, and is currently taking AP Statistics. She is the Treasurer of her school's chapter of the National Honor Society, participates in theater tech, specifically costumes, for school plays, and plays viola in her school's chamber orchestra. She enjoys embroidery, drawing, crossword puzzles, and soduku puzzles.

Fun Fact: Her favorite movie is Pride and Prejudice from 2005 because she loves modern interpretations of classic works.

Favorite Number: Her favorite number is -7 because it is the opposite of her least favorite number, 7.

Education: She's a senior at ThunderRidge High School. She is currently applying for college, where she plans to major in Political Science.

Why I love Mathnasium: She likes working at Mathnasium because math is one of her favorite subjects and it is very gratifying to be able to see her work make math more understandable and enjoyable for other students.

Kaylee Holmberg

Instructor
The math class I am currently taking as a Freshman is Geometry Honors. Clubs and activities I have participated in for high school are Unified club, Unified sports, and soccer. My previous jobs and volunteer experiences are babysitting and helping my younger sibling with math. My favorite hobbies are soccer, dance, pom’s, and many more.

Fun Fact: My favorite vacation spot is Disneyland

Favorite Number: 47 because it has always been my favorite and it also my soccer number!

Education: I am a Freshman at ThunderRidge High School.

Why I love Mathnasium: I like working and am excited to be at Mathnasium because I have a passion for math and I also love working with kids!

Megan Rucker

Instructor
So far in college I have taken differential calculus, integral calculus, vector calculus, and applied differential equations. In High School I was the president of the Society of Women Engineers Club (SWE) and have continued to be a member of the SWE chapter at my college. I love spending time outdoors, especially hiking.

Fun Fact: I Irish Danced competitively for over 10 years.

Favorite Number: 19, not sure why but it's always been my answer.

Education: I currently go to Oregon State University and graduated from Highlands Ranch High School in 2022.

Why I love Mathnasium: I've always enjoyed math and teaching others the tricks I have taught myself to help remember hard concepts.

Riley Smith

Instructor
I took Honors Geometry freshman year and am currently enrolled in Honors Algebra II/Trigonometry. I play volleyball and have been a team captain twice. I've received several awards, such as always being on the Honor Roll, lettering academically due to high GPA, as a freshman I received the Outstanding Freshman Business/Technology Student Award of Excellence. I'm a former National Junior Honor Society member, current National French Honor Society member, and I am certified in First Aid and CPR. I've also been babysitting for 2 1/2 years and I am a junior camp counselor and Outdoor Ed High School Lead. I enjoy reading, volleyball, skiing, having fun outdoors (camping, hiking, biking, etc.), and being creative and making collages.

Fun Fact: I've been out of the country 6 times and been to 8 countries.

Favorite Number: My favorite number is 7 because it's my normal jersey number.

Education: I'm a sophomore at Highlands Ranch High School.

Why I love Mathnasium: I look forward to having the opportunity to help kids learn and be more successful in school.

Cadin Dinneen

Instructor
I have taken pre-calc, Calc 1 and 2, and I am currently in Multivariable Calculus. In high school, I've been a public forum debater, a guitarist in the jazz band, a peer tutor, and an 800-meter runner on the track team. I've tutored other students at my high school for the last three years in Algebra, Geometry, and pre-calc. I love spending time with friends and family, doing research, skiing, and lifting weights.

Fun Fact: I've never broken a bone.

Favorite Number: 3, because it seems to be an extremely significant number in many areas.

Education: Valor Christian High School, Senior

Why I love Mathnasium: I love helping people learn new things, especially mathematics, because it is so fundamental to success.

Reed Brown

Owner

Elena Vaughn

Instructor
In high school, I have taken Honors Geometry and Honors Algebra II/Trig. I am currently taking Honors Trig/Pre-Calc, and I plan on taking AP Calc BC next year as a senior. I am a member of Nationals Honors Society and HOSA at my school. I will be on the Varsity Poms team for my fourth year this upcoming season. I am very involved at my school through events such as Link Crew, and Wish Week activities. I have academically lettered each year for my great GPA. I worked at Peak Athletics as a recreational gymnastics coach where I helped kids learn and grow their skills. I have over 100 community service hours with many of those including tutoring underclassmen. My hobbies include walking my dogs, or any other activities outside! I also love shopping and any time spent with my family or friends.

Fun Fact: A fun fact about me is that I won a state title with my poms team this past season.

Favorite Number: My favorite number is 13 because it is Taylor Swift's lucky number!

Education: I am currently a junior at Mountain Vista High School.

Why I love Mathnasium: I love working at Mathnasium because it combines my interests of doing math and working with others. I understand how difficult math can be, so I want to help anyone feel more confident in their abilities.

Our Mathnasium Mission

Teach children math so they understand it, master it, and love it. Math can change their lives, and they can change the world.

What I love about Mathnasium is the ability to teach problem-solving skills and make math make sense, while also making a student smile.
Amber W., Mathnasium Instructor

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