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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:

Moriah Widener, Center Director

Moriah has been teaching since 2007 and holds a B.S. in K-8 Education and a M.S. in Mathematics Education. Throughout her time as a teacher she worked with students in Tulsa Public Schools and Jenks from 2nd-6th grade, as well as undergraduates from Oklahoma State University where she taught mathematics courses for the College of Education.


She has received multiple awards for her excellence in the classroom and leadership in math education. She was awarded the Presidential Award for Excellence in Mathematics Teaching in 2016 which is awarded by the White House and the National Science Foundation to the top 100 math teachers in the country and is the highest honor bestowed upon math teachers in the U.S. Other honors include Jenks West Intermediate Teacher of the Year, Jenks Vision of Excellence Award, OSU’s Rising Star Award.


Moriah was the first employee to join the South Tulsa Mathnasium team when we opened our doors in 2010 when she fell in love with the Mathnasium method and the work we do to help students succeed in their mathematics skills and confidence. She loves spending time helping students develop skills and break down barriers so that they can look to the future without perceiving math as a limitation. She is honored and excited to be back serving our students and parents as the Center Director for South Tulsa.


Her greatest point of pride however, is her family. She loves to spend time with her husband and daughter exploring nature and spending as much time as possible off the grid. Even on these adventures, she seeks the beauty of mathematics and can often be spotted taking pictures of objects with incredible patterns and symmetry or jotting down ideas for math problems.

Vane Lucas, Owner

 Vane holds a BSE in Mechanical and Aerospace Engineering from Princeton University and an MBA from the Wharton School of the University of Pennsylvania. During his career, he has worked as a heat transfer engineer for IBM, a strategy consultant to leading financial institutions and he spent 17 years as the head of consumer strategy for Bank of Oklahoma.

Vane has loved math since he was a child and always dreamed of teaching math sometime in his life. In addition, he’s always viewed mentoring and teaching as a key part of his job and his life. He has always mentored younger employees under his supervision, he has taught Sunday School for several years, he coached youth sports, and tutored middle school and high school math students.

Vane and his wife Ginger have a grown son, David, and a dachshund. Vane has traveled to all 50 states and 12 countries. He loves reading, movies, computers and woodworking. Vane serves on the Board of the Friends of the Tulsa City-County Library and he has been a contestant on Jeopardy!

Jerry Knoll, Assistant Center Director

Jerry earned a BS-Mechanical Engineering degree from Texas Tech University. His career includes 28 years with Halliburton Services in Halliburton’s Equipment Design Engineering Department in Duncan, Oklahoma, serving as Department Manager for the last 10 of those years. A downturn in the oil industry led to a 12 year career with Northrup Grumman in Washington, DC and Oklahoma City under contract to the US Government, performing specialty vehicle specification design work and project management of specialty vehicle acquisitions. He has been active in church as a youth and adult teacher, Deacon, and Elder. Now retired, Jerry enjoys sports and travel, his wife, son, daughter, and 7 grandchildren. He helped his children and grandchildren understand math throughout their public schooling and being a Mathnasium instructor allows Jerry to continue to interact with and help students to understand that math can be their friend and lead to greater confidence in school and in life.

Luke Schriewer, Assistant Center Director

Luke is the current Rotating Center Director for the Mathnasiums in the Tulsa area.  He divides his time (a bit unevenly) between the Broken Arrow, South Tulsa, and Owasso locations throughout the week.  Luke grew up in Washington, Missouri, a rural (and distant) suburb of St. Louis, before attending the University of Tulsa.  There he studied Physics, Math, and eventually Chemistry and Biology in desire to enter the medical field.  His Mathnasium career began at the Broken Arrow location in the summer of 2015.  He enjoys teaching and grew tremendously as a Mathnasium instructor to the point that, in the months leading up to his graduation in May of 2017, he decided to change his career focus from medicine to teaching.  Luke spends his days helping students bridge the gap from problem to solution and has long-term plans for being a teacher.

Gail Cobb, Instructor

Gail earned a B.S. in Chemical Engineering from the University of Michigan (Go Blue!).  Her first job was Quality Engineer for IBM in Tucson.  She then landed a position as a Research Engineer for Dowell, an oil well services company that was a division of Dow Chemical located here in Tulsa.  A downturn in the oil industry led to a move to Dallas where Gail again worked as a Certified Quality Engineer.  She and her team of engineers were responsible for implementing Statistical Process Control (SPC) in the manufacture of night vision equipment, and also designed and taught an SPC course to the Manufacturing department.   It was a very successful and rewarding experience.

 Gail took a 20-year break from engineering to be a stay-at-home mom.  Now that her two Holland Hall graduates are pursuing their college degrees, Gail is an empty-nester that has joined the Mathnasium team, and has found the teaching experience once again very satisfying and rewarding.  Gardening is a passion of hers, along with cooking.

Olga Dolberg, Instructor

Olga was born and educated in the Ukraine.  She graduated from the Kharkov University with a master’s degree in mathematics.  She worked for 30 years in the Ukraine as an educator at several schools and universities and she also worked as a programmer.  Olga likes to listen to music, read, travel, watch tennis and communicate with friends.



Ashley White, Instructor

Ashley is from the Tulsa area and moved back to teach after graduating from college.  She received her BA in elementary education from the University of Oklahoma.  She has taught elementary and middle school math and science.  For almost a decade now she has taught developmental mathematics at Tulsa Community College.  She loves to teach foundational math and beyond to all ages and help students re-examine their relationship with mathematics.

Steve Griffiths, Instructor

Steve grew up mostly in Missouri.  He graduated from the University of Tulsa with a BS in Math and a Masters of Teaching Arts and has a current Oklahoma Teaching Certificate for Math; grades 7-12.  Steve taught Math for 10 years at TPS, and then worked 22 years in the American Airlines computer department. As well as working at Mathnasium, he volunteers two days at Cancer Treatment Center of America in Tulsa.  Steve enjoys running 5K races, golf, and singing in his church choir.  He and his wife Jan enjoy attending TU football and basketball games, and spending time with their two grandchildren.

Marty Flusche, Instructor

Marty grew up in Muskogee, Oklahoma where he graduated from Muskogee High School.  He graduated from Princeton University with a BA in Economics and earned an MBA at Harvard Business School.  After working 22 years at The Williams Companies in Tulsa, Marty spent several years providing consulting and tax services.  He has just begun his seventh year as an instructional assistant in the four core subjects at Jenks Middle School and enjoys helping young people develop their understanding of mathematics.  Marty has a daughter in pharmacy school and another in college.  He enjoys reading, movies and golf.

Thomas Taggart, Instructor

Thomas is a Tulsa born native. He graduated from Cascia Hall in 2011 and from the University of Tulsa with a Bachelors of Science.  He has been tutoring students of all ages for over a year now.  He would like to eventually pursue a career as a physician’s assistant.  He loves music/concerts, martial arts, reading and working in the yard. 



Ben Troung, Instructor

Ben is a student at the University of Tulsa planning to major in Mechanical Engineering.  He is from Tulsa and graduated from Holland Hall High School in the top 10% of his class in 2017, completing calculus by his sophomore year.  He plays violin in the TU orchestra and is involved in the Sigma Chi fraternity.  His hobbies include playing guitar and tennis.  He has tutored students for around 3 years. 


Anthony Lopez, Instructor

Anthony is a junior computer science major at Northeastern University.  He moved to Tulsa in 2001 and graduated from Jenks High School in 2012.  He was involved in music, participating as a violinist in the All-State and Quartz Mountain symphony orchestras.  His hobbies include video game programming, playing guitar, traveling to see family and writing music with his friends.


Ella Luttbeg, Instructor

Ella is a sophomore at the University of Tulsa studying Mechanical Engineering with a minor in Mathematics.  She graduated from Stillwater High School in 2016 as a valedictorian and was involved in student council, athletics and National Honors Society. She has always loved mathematics and enjoys helping students gain confidence and knowledge in the subject.  She enjoys running, music and card games.


Connor McGraw, Instructor

Connor is currently a senior studying Mechanical Engineering at Oral Roberts University. He was home schooled until the last three years of high school when he attended Francis Tuttle Technical Center’s Pre-Engineering Academy in Oklahoma City.  He has participated in several robotics and aerospace engineering design challenges; winning both state and national competitions. Connors hobbies are designing/building drones, reading fiction novels and playing soccer, ultimate frisbee and tennis.


Beth Willoughby, Instructor

Beth has lived in Oklahoma all her life. She recently graduated from Jenks High School.  She was a participating member of her high school orchestra.  Beth is heading to Oklahoma State University in the Fall and plans on majoring in Electrical Engineering.  She excels in mathematics and is eager to teach.