High School Faculty

Math & Sciences



Dr. Cat Russell — Science and Math, and In-Service Teacher Development

Dr. Russell was born in Austin, TX. She holds a BA from the University of Texas at Austin in the Plan II Honors Liberal Arts Program, with a Pre-Medical focus, and a BS in Electrical and Computer Engineering, with a minor in mathematics. At UT she was the valedictorian of the College of Engineering. Her earned her MS and PhD in Optoelectronics from UC Santa Barbara. After meeting Waldorf Education as a parent, she completed Waldorf High School teacher training at the Center for Anthroposophy in New Hampshire, with a focus on physics and biology. She has also a student of comparative religion, with an emphasis on “Art as Meditation.” Dr. Russell taught at the Austin Waldorf School for twelve years, where she served as math-science department head, as well as chair of the high school faculty. In addition to her ample professional achievements, Dr. Russell is the mother of four children, three of whom are still school age and attending PWS. In addition to a number of scientific papers as a research engineer, she recently contributed three chapters to Trailing Clouds of Glory: Essays on Human Sexuality and Education of Adolescents in Waldorf Schools, edited by Douglas Gerwin and published in January, 2015. Dr. Russell joined the PWS high school faculty in 2015 and serves as a co-class advisor to the class of 2018.


Gillian Gamboa — Math, Science & Student Support/Study Skills

Gillian Gamboa grew up in the Boston area. She graduated from State University of New York, Potsdam in 1986 with a Bachelor’s Degree and teaching credentials in Music and Special Education. She then entered the Graduate School of Eastman School of Music (University of Rochester) where she researched the use of music with deaf students until she joined the national touring company of CATS. She earned her B.M. in Business from Berkley College, interned for NAMM (National Association of Music Merchants), and started the non-profit organization, The Mr. Hollands Opus Foundation. While she was working to develop school music programs, she rediscovered her love of teaching. Gillian has a wide array of teaching experience, including math and computer science, special education for students in elementary through high school, math/science, and assisting with formalizing a district’s home schooling/independent study program. Mrs. Gamboa joined the PWS high school faculty in 2014 and serves as a co-class advisor for the class of 2017.


Mark Dinan — Science, Math and Applied Computer Technology

A native of the Northern Virginia suburbs outside Washington D.C., Mark Dinan holds a B.S. from California Institute of Technology and pursued graduate studies in Physics at UC Berkeley where he taught undergraduate Physics, as well as teaching high school Astronomy and Calculus at Caltech. After graduating from Caltech, Mr. Dinan continued to work on their SEED/CAPSI project, designing and implementing software to supplement the hands-on science kits used in the Pasadena Unified School District. This work led Mark to develop, design, and program Whyville, an online virtual world devoted to teaching math, science, and other subjects via multiplayer simulations and communal experiences. Mr. Dinan was a founding member of the PWS high school faculty.


Angela Ribeiro — Science and Math

Ms. Ribeiro grew up in western New York. She has a B.S. in Geological Sciences from Buffalo State and an M.S. in Geology from California State University Long Beach. In the summer of 2005, she spent five weeks in Mongolia doing geological field work for her thesis. She worked for ten years as a petroleum geologist and geotechnical consultant. Prior to teaching at the Pasadena Waldorf School, Ms. Ribeiro taught earth science and geology teacher at CSULB for twelve years. During her free time, she enjoys hiking and camping. Ms. Ribeiro joined the PWS high school faculty in 2015.

Humanities: English, History & Modern Languages


Arthur M. Pittis — Humanities & High School Pedagogical Chair

Arthur M. Pittis was born in the New Jersey suburbs of NYC. He has a BA in English from Lake Forest College, a Waldorf certificate from the Waldorf Institute of Mercy College, and a Master of Drama Studies from Johns Hopkins University. He has been a Waldorf teacher since 1981 having been a class teacher at the Waldorf School of Baltimore and the Austin Waldorf School, where he also taught high school humanities and theater for thirteen years. He is the author of “Pedagogical Theater: Dramaturgy and Performance Practice in the Lower, Middle and High School” and the “Waldorf Reader Series,” a story collection for class use in second through fourth grade. In addition to his classroom and writing work, he was a founding member of the Association of Waldorf School’s of North America Leadership Council. He is the father of two adult daughters who attended Waldorf schools from early childhood through high school years. Mr. Pittis joined the PWS high school faculty in 2014.

Corby Gallegos — Humanities & Drama

Born in Albuquerque, NM, Corby Gallegos trained in visual art and theatre at California Institute of the Arts before completing his B.A. at the California Institute of Integral Studies in San Francisco. Mr. Gallegos received his Waldorf teacher certification from the Waldorf Institute of Southern California in Northridge. Prior to his teaching drama and literature and serving as Chair of the Drama Department at Highland Hall Waldorf School, Mr. Gallegos served as Co-Director of the Theatre Festival in Asheville, North Carolina; taught acting and English at the Sho Kosugi Institute in Tokyo, Japan; and taught acting and art in municipal programs in Southern California. Mr. Gallegos was the founding teacher of the PWS high school. He joined the PWS faculty in 2012-13 and is a co-class advisor to the class of 2016.


Joshua Peters — Humanities & Fine Arts

Josh Peters was born in Boston, MA. He received his Bachelor of Fine Arts from the University of Massachusetts, Amherst and his Master of Fine Arts from the Mason Gross School of Art at Rutgers University in New Brunswick, NJ. He is a painter who has exhibited his artwork throughout the United States and abroad. His most recent solo exhibition was in 2013 at ACME in Los Angeles. His work has been selected for inclusion in the upcoming edition of New American Paintings by Aspara Di Quinzio, the curator of Contemporary Art at the University of California, Berkeley Art Museum and Pacific Film Archive. He joined the PWS faculty in the first year of the high school in 2012, as well as being a co-class advisor for the class of 2018.

Daniel Baker — Humanities

Daniel Baker grew in the Phoenix AZ area. He holds a BA from Azusa Pacific University in English with a concentration in literature, his focus being on 20th century and contemporary American literature. Mr. Baker joined the PWS faculty in 2011 as a middle school physical education teacher and classroom assistance, expanding his work to include teaching English skills in the middle school. A writer of short fiction in his spare time, he joined the high school faculty in 2014 as a creative writing instructor. With the 2015-16 academic year, Mr. Baker became a full time high school English and history teacher, as well as the 2019 class advisor.


Shiye Yang — Mandarin & East Asian modern history

Shiye Yang was born in Shanghai, China. She has a B.A. in Chinese language and Literature from Beijing Normal University, PRC. During her time at university, she worked at Guangdong Country Garden International School as an 11th and 12th grade Chinese instructor. Ms. Yang continued to deepen her educational experience during her time as a Class Counselor and 10th Grade Chinese teacher at the Shanghai Xinzhuang Public High School in Shanghai. In 2013, Shiye completed her Master of Arts degree in Bilingual Education from Loyola Marymount University. She joined Pasadena Waldorf School in 2011, and she is currently completing the high school program at Rudolf Steiner College in Fair Oaks, California.


Gisella Gatica — Spanish & Latin American history

Gisella Gatica was born in Lima, Peru. She has been involved in Waldorf Education as a parent and an educator for over 12 years. Señora Gatica has a B.A. in Graphic Arts from Cal State Long Beach and a B.A. in Spanish Language and Culture from Cal State University Northridge, where she graduated with honors. In 2005, she completed her Waldorf class teacher certification at the Waldorf Institute of Southern California. She was the recipient of several awards and scholarships throughout her university years that include The Barbara Ann Ward Scholarship in 2009, the Outstanding Academic Achievement Award in 2010 and was part of the McNair Scholar Program in 2012. She received her Master of Arts degree in Spanish Literature from California State University Northridge in 2012. Señora Gatica has worked at Highland Hall Waldorf School and the City Waldorf School as a Spanish teacher both in elementary and high school grades. She also has worked in public schools as a computer teacher, math and English tutor. She joined the PWS high school faculty in 2012 serves as a co-class advisor for the class of 2017.


Cesar Cazares — Advanced Spanish

César Cázares grew in the L.A. area. He holds a BS in Biology, and a minor in dance, from CalPoly Pomona. “Mr.C” began his career in education in 1997, working in various pedagogies for private /public middle and high schools before retiring from education in 2007. His interest was rekindled when he was introduced to Waldorf education that same year and was able to find a Waldorf school, and a mentor who trained him, in the town of San Miguel Allende, México. He came to PWS in 2010 to carry the rising second grade class –now the current seventh grade class. This year Mr. C expanded his role by teaching 10th grade Advanced Spanish.

Performing Arts


Ted Masur — Music Director

Ted Masur holds an undergraduate degree from Yale University, where he fell in love with the community experience of choral music. Inspired by the desire to create that sense of community for others, he worked as a choral director at Abington Friends School for three years. The desire to deepen his skills as a musician led him to a master’s degree at Indiana University, Bloomington. There he studied choral conducting and music composition while teaching music theory to undergraduates. In 2000, he moved to San Francisco to work as choral director at the Urban School of San Francisco; and five years later, after winning an ASCAP award, he moved to Los Angeles to pursue opportunities as a composer for film and television music. With colleagues at Idyllwild Arts Academy, he created a highly collaborative program in film scoring. He recently finished a two-year term as composer-in-residence at the VYMA Music Project in Pasadena. Mr. Masur joined the PWS high school faculty in 2012 and serves as a co-class advisor for the class of 2016.

Erin Barnes — Percussion Ensemble

Erin Barnes is a Grammy Award-winning percussionist based in Los Angeles. She holds a BFA in Percussion Performance from California Institute of the Arts, and is a passionate, active music educator. Ms. Barnes has taught percussion, choir, recorder, strings, and musicianship at schools in the Los Angeles area for over 20 years and also teaches West African music and dance at California State Summer School for the Arts. She has recorded for Mode Records and Innova, among other labels, and notable performances include concerts at REDCAT (Los Angeles), Davies Hall (San Francisco), Edinburgh Festival, and Territoria Festival (Moscow). She spends her spare time playing ragtime xylophone, learning Swedish fiddle tunes, teaching elderly people yoga, and hiking mountains near and far.

Nicholas Deyoe — Guitar Ensemble

Dr. Nicholas Deyoe is a Los Angeles based composer, conductor, and guitarist. He holds a Ph.D. in composition from UC San Diego is the Co–Founder and Artistic Director of the wasteLAnd concert series. As a guitarist, Nicholas is an experienced performer and teacher of styles ranging from Classical to Jazz to Rock with many styles in between. Dr. Deyoe’s music has been called “intriguingly complex and excitedly lush” by the LA Times, and has been performed throughout North America, Europe, and Japan. As a conductor, he has performed with The La Jolla Symphony Orchestra, Red Fish Blue Fish, Ensemble Ascolta, The Darmstadt Preisträgerensemble, Noise, The University of Northern Colorado Symphony Orchestra, and many ad-hoc ensembles in the United States and Germany. Deyoe’s compositions and improvisations can be heard on Sono Luminus, Populist, Spektral, Khajila, and Eh? Records. His enthusiasm for teaching comes from his desire to instill the same love for music in his students that changed his life when he was a teenager.

Andrew Tholl — Strings / Chamber Ensemble

Dr. Andrew Tholl holds degrees from Arizona State University, the University of Michigan, and the California Institute of the Arts, where he has taught composition, violin, music theory, and improvisation on and off since 2009. He is a violinist, composer, drummer, and improviser. Hailed by the Los Angeles Times as “vigorously virtuosic,” his performances and compositions have been heard throughout the United States, Europe, and Australia. As a soloist and chamber musician he is dedicated to the performance of new music and the collaborative process between composer and performer. He is a co-founder of the Formalist Quartet, and a member of wild Up, for which he serves as violinist, composer, and personnel manager. Additionally, he has worked extensively in scoring for film, dance, and theater as both a performer and composer. In addition to teaching at the Pasadena Waldorf School, he teaches violin and viola at Ventura College, Moorpark College, and Oakwood Elementary School.

Corby Gallegos — Drama See biography above

Fine & Applied Arts

Molly Cleator — Basketry, Weaving, & Tapestry

Molly Cleator holds an MFA in New Genres from UCLA. After three decades of painting, performance, installation, and new media work, as well as film actor, Ms. Cleator’s artistic work now focuses on the fiber arts. She has been a professional educator since 1999. He holds a Waldorf Certificate from the Waldorf Institute of Southern California and has been an art teacher at Pasadena Waldorf School in 2001, where she also took a class from grade four to grade eight. She has worked with students at all age levels, from K-12, as well as trained and supervised art teachers and class teachers how to work pedagogically with the arts. In addition to her high school art teaching, she runs her own independent arts education program. She joined the PWS high school faculty in 2012.


Jeremy Oversier — Photography & Year Book

Jeremy Oversier graduated from the Rochester Institute of Technology and Glasgow School of Art where he studied fine art photography and creative writing. Five years ago, he made the move to Los Angeles and began cutting his teeth assisting the luminary fashion and celebrity photographer Douglas Kirkland. Jeremy then branched out on his own and has worked for a range of high-end clients in the fields of fashion, interior and fine art photography. Jeremy’s personal interests and photographic projects combine his love for photography with his love for rock climbing and the outdoors. He is a photographic educator and teaches photography for the mountain guide company Saano Adventures; he also travels as a visiting artist and lecturer at various institutions around the globe. He joined the PWS faculty in 2014.


Sarah Rudd — Jewelry

Sarah Rudd grew up in the Los Angeles area. She earned a BFA from California College of the Arts in Jewelry/Metal Arts and a MFA from State University of New York at New Paltz in Metal. Her artistic work with metalworking began in 2001, and her work currently ranges from jewelry to mixed media sculpture. In addition to teaching at PWS, Ms. Rudd is an adjunct faculty member at Pasadena City College where she teaches Jewelry/Metal Fabrication as the Jewelry Making teacher. She joined the PWS faculty in 2015.

Adam Janes — Woodworking

Josh Peters — Painting, Ceramics, Aesthetics

See above

Corby Gallegos — Black & White Drawing, Theater

See above

Physical Education & Athletics

Evan Rosenblatt — Physical Education

Evan Rosenblatt comes to us with a wide range of experience: working as a professional dancer and choreographer, dance instructor, teacher, practicing kinesiology, and athlete. He received his B.S. and M.S. in Kinesiology from Cal State University, Northridge, where he also taught collegiate tennis, basketball, and baseball. Mr. Rosenblatt’s P.E. curriculum emphasizes social interaction, teamwork, cardiovascular endurance, healthy movement, strength, and agility. Mr. Rosenblatt joined the PWS high school faculty in 2012.

Blake Bailey — Athletic Director

Blake Bailey grew up in central Texas and graduated from the University of Texas: Austin with a BA in Marketing. He moved to Los Angeles and worked as an actor for 20 years, all the while staying involved as a part-time middle and high school football coach. Five years ago he began middle school coaching at Waldorf, and this year he took up the exciting new challenge of middle and high school Athletic Director. Over the course of his coaching career he has followed the philosophy that athletics back up academics and team sports must be fun.


Monique Quiles — Physical Education

Monique Quiles comes from diverse work experience in various educational settings. She has a BS in Kinesiology focusing on biomechanics, motor learning and dance from Cal State University, Northridge. Her teaching experiences range from being a teacher-assistant to being a boys and girls basketball coach to being, most recently, a service-learning teacher at a charter school for a 3rd grade class. Ms. Quiles’ years of experience in a variety of sports has allowed her to create a balanced P.E. curriculum that includes traditional recreational sports, dance, and yoga to help build a love for movement within our high school students.

High School Administration


Cynthia Martinez — High School Coordinator

Cynthia Martinez was born and raised in the Los Angeles area. She received her BA from California State University, Northridge in Child and Adolescent Development, and an MA in Organizational Leadership from Woodbury University. She has worked in various educational environments for over 10 years. Her work experience includes director and management level positions in several academic institutions, working with students from preschool to college age both domestic and international students. Her goal with every student is to help develop lifelong learners by promoting intrinsic motivation and providing them with the necessary tools to be successful. Mrs. Martinez joined the high school in 2014.

Julia Echevarria — High School Receptionist, Administrative Assistant, & Art Teacher

Julia Echevarria was born and raised in Los Angeles. In 2012 she received her BFA in stop motion and experimental animation from the Academy of Art in San Francisco. In 2014 she joined the Pasadena Waldorf School as the high school receptionist and administrative assistant. She immediately fell in love with the arts emphasis of Waldorf education. A few short months after beginning in the office she was fortunate enough to incorporate her artistic background into her daily work as a teaching assistant in the art program, and this year began teaching 11th grade sculpture and being faculty advisor to the Student Council. Outside of work, Julia is a practicing artist working primarily in painting and illustration. She is also an avid road-tripper, having driven cross-country for the year following college. In particular she loves the American South and considers New Orleans a second home. Ms. Echevarria joined the high school in 2014.

Arthur M. Pittis — High School Pedagogical Chair

see above in Humanities