Meet our San Francisco Tutoring Staff

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Great Teachers Inspire

Our tutors and staff in San Francisco consist of passionate educators who love inspiring children to succeed. Warm, caring and great at relating to kids, our tutors in San Francisco know how to engage and motivate each child in a personal way—building confidence and smiles, as well as skills and better scores. We selectively choose tutors who know local curriculum and can link Sylvan lessons to what’s being taught in school. Get to know our tutors and staff in San Francisco!

  • Ken Situ , Center Director

    Ken Situ

    Center Director

    Ken brings a passion for education to his role of Center Director, along with a heartfelt commitment to customer service. Ken started at Sylvan as our Instructional Manager and was subsequently promoted to Associate Director of Education and now Center Director. Ken manages our complex schedule, ensuring the best possible student-tutor matches, and oversees Center operations with a sharp focus on quality improvement. Ken has a BA in Philosophy and Religion from SFSU. When not at Sylvan, Ken enjoys reading, meditating, drinking tea, and playing with his cat. He also enjoys discussing the qualities of fine chocolate. Ken is fluent in both Cantonese and Mandarin. 
  • Dylan Drewry, Director of Education

    Dylan Drewry

    Director of Education

    Dylan brings a deep passion for educational access and support for all students, several years of classroom teaching experience, and a warm and outgoing personality to his role as our Director of Education. Before coming to Sylvan, Dylan was a high school English teacher for SFUSD. He draws upon his education expertise to ensure the best possible academic outcomes for our students. Dylan graduated cum laude from SFSU with a degree in English and went on to obtain his California teaching credential. He is currently working towards a Masters's of Library Science and Information at SJSU. In his “spare time,” Dylan enjoys biking, baking, and exploring the varied cuisines of SF.
  • Lori Livingston, Executive Director

    Lori Livingston

    Executive Director

    Lori brings a passion for education and a background in executive management to Sylvan Learning of SF.  She has held management positions at Apple Computer and Fidelity Investments, and has served two terms on her local public school board. Lori has raised four sons, each one benefiting from the individualized support they received to reach their academic potential. She loves helping Sylvan students reach their own academic goals. Lori is a Phi Beta Kappa graduate of Stanford University and a Harvard Business School alumna. She is an avid skier, golfer, hiker, biker and reader.
  • Donald Livingston , Director/Business Manager

    Donald Livingston

    Director/Business Manager

    Donald manages Center business functions and gets to know Sylvan students by conducting many of our assessments.  After graduating from Stanford with a degree in Communication, Donald worked in public relations and marketing. He enjoys using his marketing skills and service orientation to contribute to the successful operations of Sylvan Learning of SF. Donald is an avid SF Bay Area sports fan, an expert chess player and an identical twin. A Bay Area native, Donald resides in San Francisco.
  • Lance Santelices, Office Manager

    Lance Santelices

    Office Manager

    Lance oversees communications with families and keeps Center operations running smoothly. He grew up in LA and came to SF to complete his undergraduate studies in Communication and Marketing at SFSU. Before joining our team, Lance was a valued employee of AMC Theatres, where he developed a reputation for being a skilled team leader and creative problem solver. Lance takes pride in providing a very high level of customer service to Sylvan families. In his spare time, you can find Lance checking out new food spots, taking photographs, skating, or sneaker collecting.
  • Jacob Rubinstein, Assistant Director of Education and Tutor

    Jacob Rubinstein

    Assistant Director of Education and Tutor

    Jacob tutors math for students of all ages and ability levels, successfully making math concepts from fractions to calculus understandable for Sylvan students. He is also a talented SAT, ACT, and HSPT prep tutor. Jacob discovered his love of math while an undergraduate student at Roosevelt University, where he completed a BS in Mathematics with Honors. Jacob is also a member of our full-time team, supporting families as a Program Manager and handling key educational administration duties. 
  • Dana Sargenti, Lead Tutor and Instructional Manager

    Dana Sargenti

    Lead Tutor and Instructional Manager

    Dana comes to us as a teacher with the Bay Area Archdiocese Elementary Schools.  She graduated with a Physical Education Degree and completed credential coursework at SFSU.  She has also done everything from serving on Executive Boards for the Archdiocese to teaching gymnastics! Dana is a reading, writing, math and HSPT/SSAT tutor at Sylvan and also supports the team as Instructional Manager.  When not teaching at Sylvan or in her classroom, you may find her reading, playing tennis, or doing yoga.
  • Theodore “Teddy” Vollman , Tutor

    Theodore “Teddy” Vollman

    Tutor

    Teddy earned his BA in Physics from The University of Chicago. He is one of our versatile tutors who can tutor any level of math or physics. He also helps our students prepare for their SAT, ACT, SSAT and HSPT tests. Teddy has worked as a camp counselor for both the Lincoln Park Zoo and the SF Zoo and was an education intern at Yerkes Observatory. He brings to his work with our students a passion for making difficult concepts understandable.
  • Amanda Saeed, Tutor

    Amanda Saeed

    Tutor

    Amanda is an engaging reading and writing tutor who enjoys helping students of all ages. She earned both a BA and a Masters's in English from the University of Oregon. At Oregon, Amanda worked as a drop-in college writing tutor as well as a writing instructor for undergraduate students. She loves teaching. In her spare time, Amanda enjoys spending time with her friends and her pet cat, Tony.
  • Julie Wells, Tutor

    Julie Wells

    Tutor

    Julie has been a valued tutor at Sylvan of San Francisco for over 10 years!  With her bachelors in French, a minor in ESL and her teaching credential from San Jose State, Julie is a skilled tutor in reading, elementary math, writing and study skills.  Our students and team love her!  She works with special needs students at a high school in San Francisco and has experience teaching languages at schools in Brentwood and San Jose as well. When Julie is not teaching, you'll find her reading or listening to classic rock.
  • Sarah Joost, Tutor

    Sarah Joost

    Tutor

    Sarah is a warm and engaging literacy tutor who loves helping Sylvan students develop their writing and reading skills. She recently retired from UCSF where she was a Communications Analyst and won a “UCSF Great People Award” for her work with postdoctoral scholars. Sarah has worked alongside literacy specialists in local schools and has always enjoyed tutoring and coaching writing students. She has degrees in Psychology and Journalism from SFSU. In her leisure time, Sarah enjoys creating art and playing with her French Bulldog.  
  • Jessica Ornowski , Tutor

    Jessica Ornowski

    Tutor

    Jessica is one of our talented, personable math tutors who connects well with students of all ages. She graduated from UC Berkeley with a BS in Bioengineering and a minor in Data Science. A former summer camp director, Jessica really knows how to motivate K-12 students. She is an avid soccer player and was elected by her peers to be the President of her club soccer team at Berkeley. Jessica works as a staff research associate at UCSF and comes to Sylvan as often as her schedule allows.
  • Mariah Maninang , Tutor

    Mariah Maninang

    Tutor

    Mariah is a kind, patient and nurturing math, reading, and test prep tutor. She studied Computer Science at CCSF and went on to get her bachelor’s degree in Network and Digital Technology at UC Santa Cruz. A talented problem solver, Mariah loves helping her students overcome whatever academic challenges they are encountering. In addition to tutoring at Sylvan, Mariah is pursuing several start-up ideas! In her spare time, she enjoys cheering on the Golden State Warriors and learning new songs on her guitar. 
  • Warner Henson II, Tutor

    Warner Henson II

    Tutor

    Warner is one of our most versatile tutors with expertise in math, writing, and college test prep.   Warner is a professional teacher, a published academic writer and a Ph.D. candidate in Sociology at Stanford. He holds a B.S. in Sociology from Texas A & M. He has worked as a Teaching Assistant at both Stanford University and Texas A & M. Our students love him!
  • Rebecca Castillo , Tutor

    Rebecca Castillo

    Tutor

    Rebecca loves reading and writing and is an enthusiastic literacy tutor. To pursue her love of writing and literature, she obtained a BA in English Literature from SFSU. Before coming to Sylvan, Rebecca worked as an after-school teacher for Mission Graduates, creating lesson plans focused on literacy development as well as enrichment activities to spark students’ creativity. In her free time, Rebecca enjoys writing and taking long walks on San Francisco's beautiful beaches. She is fluent in Spanish as well as English!