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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:

CenterDirectorChristopher Wood, Owner and Center Director 

Chris is the Owner and Center Director at Mathnasium of Alameda. Prior to opening his Mathnasium center, Chris was the Assistant Controller, Director for IACP Publishing (Ask.com, Dictionary.com, About.com) in Oakland.  With a Bachelors of Science in Finance from San Diego State University, he has worked for more than 14 years as an accountant for various private and public companies including four years as an auditor with KPMG in San Francisco. During this time, he has done extensive coaching, teaching, and problem solving.  Realizing the need for more individualized attention and targeted learning in math, Chris decided to bring Mathnasium to the Alameda area.  He is committed to bringing the Mathnasium Method to the children in the community.  Married and father of two boys, Chris also enjoys swimming and plays water polo for a team in the East Bay.

Krystopher Weeton, Assistant Director

Krystopher Weeton is a computer science major attending Unviersity of California San Diego.  After he graduates, Krystopher plans to pursue a M.S. in computer science.  Over the past 3 years Krystopher has worked as a private math tutor for college and high school students.  Helping his younger sisters with math homework is what originally inspired Krystopher to help students with mathematics and take a position at Mathnasium as an instructor.  In his free time, he enjoys board games and reading. 

Min Li, Assistant Director

Min has a degree in Sociology from the University of California, Santa Cruz. She is a recent graduate and loves working with children. She has more than five years of experience working with children as a tutor, camp counselor, and mentor. When she is not helping kids reach their potential at Mathnasium, she enjoys writing in her diary, knitting, reading, catching up with friends, and burning pancakes. She also enjoys seeing the smiles on the students' faces as they gain confidence and understanding of new math concepts. 

Jacob Stahl, Instructor

Jacob Stahl has worked the last 13 years as a Special Education Paraprofessional for an elementary school in Piedmont, CA.  When not helping out in the mainstream classrooms, he works in the Math Resource room, teaching number sense and strategies to groups large and small.  In his free time, he is currently developing a math card game that is adaptable and engaging for anyone who can add, subtract, multiply and divide.  Working title: "Submarine Burritos

Daniel Lovejoy, Instructor

Daniel has a degree in Music from Victor Valley College and a degree in Humanities from San Francisco State University.  Additionally, he has a teaching credential in Special Education and has spent the past 9 years teaching throughout the East Bay. Prior to that, Daniel worked as a custom art framer, a role that required him to develop his knowledge of geometry, fractions and mental math, and showed him the real world value of mathematics.  In his free time, he plays bass guitar in several local bands, reads pulp science fiction and listens to college lectures on medieval history. He dreams of one day owning a pet pig. 

Laura O'Brien, Instructor

Laura began a mechanical and aerospace engineering degree at the University of Florida, before switching her focus to physics and mathematics. She is currently completing a bachelor's degree in physics in California. She loved math from an early age, and she knew that she wanted to pursue a career in STEM. She has spent over a decade working and volunteering as an independent tutor, mostly in math and science. In addition to her job at Mathnasium, she works as a freelance writer for an ocean conservation page, which publishes articles about new developments in our oceans. She has also spent time on many STEM oriented extracurricular projects... for fun. In her free time, she likes to rock climb, hike, camp, and draw.

Israel Iniguez, Instructor

Israel is currently a 7th and 8th grade Math teacher at Greenleaf Elementary in Oakland. He received his B.A. in Music from San Francisco State University, during which he decided to pursue a career in math after becoming a Blueprint Schools Network math instructor under Americorps for United For Success Academy in Oakland. Israel has tutored and taught in the Bay Area since his junior year at Skyline High School in 2009. He has 6 younger siblings and enjoys playing classical, flamenco, and jazz guitar when he is taking a break from learning new mathematical concepts. 

Marissa Del Rosario, Instructor

Marissa has a Bachelor of Science in Public Health from the University of South Florida. Shortly after her graduation in 2017, she moved to California and began her career in teaching as a substitute teacher for various middle and high schools around the bay area. Marissa has a passion for math and loves seeing youth learn. Her aspiration is to earn her Masters in Public Health and become college professor to teach public health courses. When she has free time, she loves being in the sun, playing video games, laughing with friends, and seeking out new adventures.

Daniel Russo, Instructor

Daniel is an active duty Coast Guard Officer at Coast Guard Base Alameda, CA.  He received a BS in Marine Science from the University of South Carolina, Columbia and an MS in Marine Science from UNC-W as well as a Post-Baccalaureate Certificate in Environmental Education and Interpretation.  Before Joining the Coast Guard, Daniel worked for various non-profit educational organizations doing outdoor education, throughout the Carolina's and Alaska.  Through middle and high school, Daniel struggled with math and it wasn't until he pursued a career in Marine Science did he realize the value of a good foundation in mathematics.  He has several years of tutoring experience, tutoring high school and undergraduate students in math and science through UNCW and Huntington Learning Center while pursuing his graduate degree.  Now assigned to the Alameda area, Daniel is looking forward to leveraging his prior tutoring and education experience and teaching the Mathnasium way!  

Samantha Wang, Instructor

Samantha has a Bachelor of Science in Industrial and Systems Engineering from the Univerisity of Southern California.  After graduating, she spent five years working in various engineering roles around the country for Verizon.  Samantha has always enjoyed math and working with children.  She also volunteers as a tutor/mentor in West Oakland.  In her free time, she enjoys watching/playing sports, music and traveling.    

Megan Stiling, Instructor

Megan is a Junior at Encinal High School.  She is an honors student and a varsity athlete, playing both water polo and soccer.  She is currently taking Honors Precaclulus.  Megan has experience working with kids from babysitting and from helping out with her two younger siblings, whom she also helps with math.  Megan has always enjoyed math and using logic to understand difficult concepts.  She has lived in Alameda her entire life, playing for Alameda Soccer Club and volunteering at Alameda Education Foundation summer camps.  In her free time she enjoys painting, drawing, listening to music, and spending time with her family and friends.

Jake Calibach, Instructor

Jake is a current high school senior with an affinity for math and a love of teaching. He is an honors student who has finished taking all available math classes at his school as of last year. He has experience working with kids from teaching his younger sister and working at D20 Games on Park Street. Since moving to Alameda with his family he has started volunteering at Habitat for Humanity and Save the Bay to give back to the community. He enjoys working on his submission for the NASA Ames Space Settlement Contest, reading, and hanging out with his friends in his free time. 

Rebecca Stiling, Instructor

Rebecca is a Junior at Encinal High School and has gained experience working with children through internship programs around Alameda, as well as babysitting.  Math has always interested Rebecca, and she enjoys helping students learn new concepts.  When Rebecca isn't helping students with math, she enjoys playing soccer, running, and playing guitar. 

Griffin Calibach, Instructor

Griffin is a Junior at Alameda High School and since an early age, found math to be intersting and fun.  His initial teaching experience was from helping his younger sister with her elementary school math.  Outside of the classroom, he helps the community by volunteering for the Alameda Food Bank, and is also a varsity football player.  During his free time, he enjoys watching sports, listening to music, and reading.