Alessandra Pantano
Director of UC Irvine Math CEO
Alessandra Pantano is an Associate Professor of Teaching in the Mathematics Department at UC Irvine. Her research interests are in representation theory and in math education. She enjoys teaching and doing community outreach. She is also very committed to promoting equity, diversity and inclusion in academia, and beyond.
Li-Sheng Tseng
Co-Director of UC Irvine Math CEO
Li-Sheng Tseng is an Asscciate Professor in Mathematics at UC Irvine and does research in geometry/topology and physics.
Andres Forero
Academic Coordinator
Andres Forero is a Academic Coordinator of Math CEO. He is a passionate and creative teacher and loves to use different resources to guide students to learning. His hometown is Bogota, Colombia. He obtained his PhD in UC Irvine in 2015. His research area is Inner Model Theory, a branch of Set Theory in which models of set are built in a very specific way.
Shoo Seto
Coordinator of High School Program
Shoo Seto is an Assistant Professor of Mathematics at California State University, Fullerton. He obtained his PhD in Mathematics at UC Irvine in 2015. His research interests lie in differential geometry and geometric analysis. He is also the Co-Coordinator of the Fullerton Math Circle.
German Enciso
College Workshops Coordinator
German Encisco is an Professor and Vice-Chair of Graduate Studies at the UCI Mathematics Department. He is originally from Colombia and a native Spanish speaker. He is interested in mathematical biology research.


Leticia Fernandez
Executive Director
Leticia Fernandez is a third year undergraduate Mathematics and Spanish student. Besides working at Math CEO she is an employee at the Anteater Recreation Center. She also serves as the Executive Director of the AAUW Ontario-Upland-Rancho Tech Trek Alumni Chapter. Additionally, she founded Faces In Mathematics at UC Irvine, plays in the UCI Women’s Club Soccer team and loves to explore the outdoors in her free time.
Hannah Styer
Assistant Executive Director
Hannah Styer is a second year undergraduate Mathematics and Data Science student. In addition to her work with Math CEO, she is the Director of Finance for the UCI chapter of Superposition, an organization aiming to bridge the gender gap in STEM. Additionally, she serves as the Family Relations Chairwoman for the Delta Eta chapter of Gamma Phi Beta. Outside of her involvements, she enjoys spending time with loved ones and taking her dog to the beach.
Asef Beg
Director of Data Management
Asef Ali Beg is a senior undergraduate student at UC Irvine with a focus on a variety of fields such as International Relations, Economics, And Political Science. He is an Outreach Assistance at UCI Math CEO. Besides working at UCI Math CEO, he has been employed at the U.S. Department of Commerce as an International Trade Assistant at Irvine and also a Global Connect Intern at the University of California, Irvine. He is a former Bresee Media Intern at Bresee Foundation in Los Angeles. Additionally, he plays under the UCI Men’s Cricket Club. During his leisure time, he loves to travel and spend time with his family.
Tausif Beg
Director of Data Analysis and Communications
Tausif Ali Beg is a senior undergraduate student at UC Irvine. He is studying Mathematics and Economics with a focus on Data Science and Analysis. He is an Outreach Assistant at UCI Math CEO. Besides that, he keeps an interest in doing Independent Research under the Department of Economics at UC Irvine. He was formerly involved with the ASCE Bridge Building Competition. Moreover, he enjoys traveling, hiking, and exploring new places around the world.
Erin Mahan
Room Leader, Webmaster
Erin is a senior at UC Irvine majoring in Mechanical Engineering. She is a part of the Anteater Formula Racing team, where they design, build, and compete with a racecar. She also likes to do yoga, hike, and play with her pets in her free time. Erin has been involved with Math CEO since Winter 2019. She loves math and science, and especially promoting young women to be in STEM.
Destiny Macias
Room Leader
Destiny Macias is a Senior undergraduate student at UC Irvine studying Education with a minor in Spanish/English Bilingual Education. Aside from being a Room Leader at MathCEO, she works at a cookie shop and is also involved in MPNA-GREEN youth education programs, she is a mentor to students in Santa Ana and she helps to promote the importance of STEM education! She enjoys hiking, exploring new restaurants, and spending time with her friends and family.
Alejandro Rodriguez
Room Leader
Alejandro Rodriguez is a third-year mathematics/education major. He currently is the co-director of middle school education for Math CEO. Alejandro is also an upward bound tutor for UCI. In his free time, Alejandro enjoys exercising, hanging out with friends and family, playing video games, and cooking. His interest in education is promoting STEM-related fields to underrepresented communities. He hopes to become a K-12 educator after exiting university.


Jinseok Sung
Special Adviser in Teaching and Mentoring
Jinseok Sung graduated from UC Irvine in 2020 with his BA in Education Sciences. In his free time, he likes to cook and bake, and he also loves to watch dog and cat videos.
Amylene Cabrera
Special Adviser in Planning
Amylene (Amy) Cabrera is a Mathematics teacher at Fallbrook High School in San Diego. She got her Bachelors of Science in Mathematics and a Secondary Teaching Credential with the UCI Calteach program. She worked with Math CEO as a mentor and a room leader from 2017-2019. She also is former president of the UCI Swing club and loves to swing dance.
Jasmina Matasovic
Special Adviser in Planning
Jasmina Matasovic is the Coordinator of the UCI STEMath Club at Carr Intermediate School in Santa Ana. She teaches Math at Carr and holds graduate degree from UCLA and Teaching Credential from UCI.
Nikolina Petrova
Special Adviser in Teaching with Technology
Randie Levine-Williams
Randie Levine-Williams is a retired math teacher. She received her BA in Mathematics from UCLA and her MA in Education from University of Redlands. She also spent twelve years in computer sales and marketing. Her goal as a teacher has always been to create a fun, cooperative-learning environment utilizing hands-on activities.


Fernando Gutierrez
Lathrop Intermediate

Fernando Gutierrez is a Math teacher at Lathrop Intermediate. He was born in Guadalajara, Mexico and attended SAUSD as a student and graduated from Saddleback High School in 2000. He majored in Mathematics at UCR has been teaching for 15 years and loves it!!!

Ruth Karr
Villa Fundamental Intermediate
Ruth Karr is a UCLA, USC, and UCI alumna. She has been a K-12 teacher for 17 years, whilst also being a coordinator of Math CEO for 5 years, coaching for the math pentathlon competition for 12 years, directing the pentathlon for 10, and residing on the AVID site counsel for 5 years. Her tenure as an educator also includes teaching accounting for 8 years in the University of Hawaii System. Her teaching ability is built on her 20 years of experience in the accounting industry, as well as being a liaison between accounting and IT departments for various businesses
Jasmina Matasovic
Carr Intermediate
Jasmina Matasovic is the Coordinator of the UCI STEMath Club at Carr Intermediate School in Santa Ana. She teaches Math at Carr and holds graduate degree from UCLA and Teaching Credential from UCI.
Shelley Fox
Fallbrook High School

Shelley Fox teaches Integrated Math 1 and is passionate about connecting math to the world outside of school. Outside of school she loves to ride e-bikes with friends, read at the beach, cook international foods, and learn to code in Python.