Ariel Li Detlefsen
Gunnison,CO
Summary
Accomplished Mathematics Educator with a proven track record at Colegio Nueva Granada, enhancing the AP Statistics program and doubling its size. Expert in statistical analysis and curriculum development, I excel in fostering collaborative environments and leveraging data to drive student success. Fluent in conversational Spanish and proficient in Excel, R, and Python.
Overview
18
18
years of professional experience
1
1
Certification
Work History
Mathematics Educator
Crested Butte Community School
Crested Butte, CO
08.2022 - Current
- Designed and taught AP Statistics and Probability & Statistics, as well as Algebra II, emphasizing real-world data applications
- Incorporated models and simulations to illustrate statistical concepts and decision-making processes
- Collaborated with colleagues to implement positive changes in curriculum and teaching strategies
Mathematics Educator
Cheyenne Mountain High School
Colorado Springs, CO
08.2007 - 06.2022
- Taught a variety of high school courses ranging from Pre-Algebra to Honors Algebra II
- Designed curriculum and assessments.
- Participated in Textbook and Curriculum Adoption Process
Mathematics Educator
Colegio Nueva Granada
Bogotá, Colombia
08.2020 - 06.2022
- Established a rigorous AP Statistics program with project-based learning and standards-based grading as the focus for assessment
- Developed and grew the AP program at the school
- Taught AP BC Calculus, AP Statistics, and Non-AP Statistics to high school students
- Designed and implemented engaging lesson plans that incorporated real-world applications of statistical and calculus concepts
- Fostered a collaborative learning environment and supported students in developing critical thinking skills
Secondary Mathematics Teacher
American School Dhahran
Dhahran, Saudi Arabia
08.2018 - 06.2020
- Integral to development and redesign of vertical and horizontal alignment for mathematical curricula in grades 9-12 while collaborating with middle school teachers
- Doubled the size of the AP Statistics program at the school
- Taught AP Statistics, Honors Algebra II, and Algebra I to high school students
- Led the mathematics department, analyzing student performance data to enhance curriculum effectiveness
- Implemented data-driven decision-making strategies to improve student engagement and outcomes
- Developed and optimized assessment models to track progress and identify areas for targeted intervention
- Promoted collaboration among faculty to improve teaching methodologies and student support structures
Substitute & Private Tutor
Saudi Aramco Expatriate Schools
, KSA
10.2014 - 06.2018
- Provided tailored instruction in mathematics, incorporating statistical reasoning and data analysis
- Assisted students in understanding complex quantitative concepts and real-world applications
Education
Master of Quantitative Informatics -
Emporia State University
KS05.2023
Bachelor of Arts - Mathematics
The Colorado College
COSkills
- Skilled in making informed decisions
- Identifying problems & Brainstorming solutions
- Capturing and gaining insight from holistic data
- Statistical Analysis & Data Interpretation
- Quantitative Reasoning
- Curriculum Development & Training
- Leadership and Team Management
- Effective Communication & Collaboration
- Conversational Spanish
- Excel, R, Python, (Basic)
Certification
- Advanced Placement Statistics Certification
- Steven Barkley Peer Coaching
- Design Thinking Workshop
- Multiple StatsMedic and Skew the Script Workshops
Additional Experience And Interests
Experience leading Student Council, National Honor Society, Experience Coaching Middle and High School Volleyball Teams both for public schools and private club teams, Experience directing, acting, and designing theater productions for schools and in community theaters., Data-driven consulting, Predictive modeling, Visualization, Application of data analysis
References
References available upon request.
Timeline
Mathematics Educator
Crested Butte Community School
08.2022 - Current
Mathematics Educator
Colegio Nueva Granada
08.2020 - 06.2022
Secondary Mathematics Teacher
American School Dhahran
08.2018 - 06.2020
Substitute & Private Tutor
Saudi Aramco Expatriate Schools
10.2014 - 06.2018
Mathematics Educator
Cheyenne Mountain High School
08.2007 - 06.2022
Master of Quantitative Informatics -
Emporia State University
Bachelor of Arts - Mathematics
The Colorado College
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