Hi everyone, My name is Sean, and I’m a sophomore at UC Berkeley studying Molecular & Cell Biology. I tutor high school biology and chemistry, specializing in Honors/AP Biology, Honors/AP Chemistry, and Biology Olympiad (USABO) preparation. The most important lesson I’ve learned from my own studies is that biology and chemistry are content-heavy. They take time and dedication to master, but the benefits of having a strong foundation in these subjects are endless. My goal with tutoring is to help students master concepts and confidently apply their knowledge, whether that’s on tests and competitions, research projects, or schoolwork. I believe a strong theoretical foundation in any subject is crucial to success. To that end, I first help students improve their study skills so they can learn and remember new material in the long-term, which I call internalizing content. Equally important is practicing concepts. I guide students through practice problems and tests at a suitable pace, focusing on accuracy first and then speed. The goal is to help students work calmly and effectively on practice problems, so they can be accurate and manage time well on real exams. I work with all students, regardless of their background or skill level. With new students, we first discuss prior experience in the subject and future goals to make a personalized study plan. Students are encouraged to prepare questions about challenging or interesting concepts to discuss during meetings. I help students improve their understanding of these concepts through presentations, example problems, and guided practice. It has been very rewarding to share my advice and experiences and see students become more confident and enthusiastic about learning. I’ve personally been interested in biology since my freshman year of high school, when I self-studied AP Biology and USABO. I later realized that studying biology and chemistry encourages us to step back from our daily routines and inquire more about
If you have a specific tutor in mind, you're welcome to request them directly — we'll confirm whether they're available and the right fit for your student. Otherwise, Ryan writes a personal email to understand your student's needs, learning style, and goals — then handpicks a tutor from the roster. You're not filling out a form and getting assigned randomly. If the first tutor isn't the right fit after the first session, we'll find you a better match at no extra charge.
Yes. Many families start with a single session to see how the tutor and student connect before committing to a regular schedule. There's no pressure to book in advance — reach out and we'll set something up.
Yes. Many of our tutors are strong across several subjects, and sessions can cover more than one if that's what the student needs that week. Flexibility is built into how we work.
Most of our tutors continue working through breaks, either online or in-person at the college if the tutors remain on campus during that vacation. We'll let you know in advance if a tutor has a gap in availability and arrange coverage with one of our other tutors — in-person or online — in the required subject.
Occasionally, if the student lives very close to the tutor's campus. Most sessions take place on or near the college campus or online. This keeps sessions in an academically focused environment — which tends to produce better results.
The families who see the biggest results are the ones who commit to a regular cadence — typically once, twice, or three times a week. One-on-one tutoring with a student from an elite college, who genuinely understands the material, is a fundamentally different experience from a tutoring center or an app. Most of our clients stay with us for multiple semesters.
Email Ryan@ShiresTutoring.com and mention which tutor and college town you're interested in, or fill out our Request a Tutor form. We typically respond within one business day.
That depends on where your student is starting and how consistently they show up. Sean will identify the specific gaps, focus sessions on them, and adjust as the student progresses. Families who stick to a weekly schedule typically see meaningful progress within four to six weeks.
Email Ryan@ShiresTutoring.com and mention you'd like to work with Sean at University of California Berkeley, or fill out our Request a Tutor form — you can also click the Request a Tutor button at the bottom of this page. We'll follow up within one business day to confirm availability and schedule your first session.