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Our Team

Our specially trained math instructors will teach your child how to understand math in an individual setting; our unique approach enables us to explain concepts really well and lend a helping hand to every student. Our tutors foster a caring, encouraging environment that helps kids thrive and learn! Read below to learn more about our talented team:

Owner/CenterDirectorDawn Sheriff, Owner & Center Director 

Dawn Sheriff is the Owner & Center Director at Mathnasium of Greenville Five Forks. With 20 years in education, Dawn has teaching experience ranging from high school through preschool and most recently directed a very successful private preschool program in Powdersville. Dawn is passionate about helping children and believes early intervention can help every child succeed. She has an MLIS from University of South Carolina and a BA in Secondary Education from Clemson University. Watching her own children struggle in both private and public programs has shaped her feelings about education. Dawn is excited about the opportunity to help every child in the Greenville community to truly understand math by teaching it in the way that makes sense to them. She has taught and tutored children of all ages, and she is committed to bringing the Mathnasium Method to the children in the community. Married with 3 girls, Dawn also enjoys working in the preschool department at her church.


Laura Lorentzen, Administrative Assistant

Laura Lorentzen has an Associate of Applied Science in Marketing from Greenville Technical College. She worked as an After School Program Teacher at Simpsonville Elementary School for two years and loved it! She loves to get involved in the community and make a difference. An interesting fact about Laura is that she loves photography. 





Collin Angell, Instructor

Collin is a senior at Brasier Middle College. I haven't seen a math problem stump him yet!  He is an amazing mathematician and hopes to major in actuary science in college. In his free time, Collin enjoys gaming and hanging out with friends.  Fun Fact: He can  solve a Rubix cube in less than 30 seconds!






Marston Copeland, Instructor

Marston is a senior at Mauldin High School who plays the mellophone in the marching and the french horn in the wind ensemble. In addition to being a Math Rock Star at Mathnasium, he is also a member of the National Honor Society where he has spent many of his service hours tutoring at Mauldin Elementary School and the Frazee Center. 




Cate Garcia, Instructor

Cate is a senior at Wade Hampton High School where she is both the captain of the Academic Team and president of the National Honor Society.  In her spare time outside of work and school, she is a competitive tap dancer. She will be going to USC Honors in the fall and majoring in anthropology. 
Fun Fact: Cate loves to bake, especially cupcakes!




Kinley Anderson, Instructor

Kinley is currently a junior at Brashier Middle College. She is vice president of the National Honors Society at her school, and treasurer of student council. 
Fun Fact: Kinley has been ballet for 13 years and perfoms with the Dance Theatre of Greenville. 





Min-Seo Song, Instructor

Min-Seo Song is a senior at Mauldin High School where he is involved in clubs ranging from bowling to key club. He will be attending CBU in Memphis, TN in the fall where he is considering majoring in either engineering or nursing. 





Renee Brewer, Instructor

Tyler Bruce, Instructor

Manuel Feigl, Instructor