Our Staff

The staff at Mardan is committed to our mission of helping students find success at school. Click on each photo to read a brief bio.


Teaching & Resource Staff


Becca Lew

Primary Teacher

Anie Cooper

Elementary Teacher

Jordan Rudolph

Elementary Teacher

Zach Stein

Elementary Teacher

Nicholas Martin

Elementary Teaching Assistant

Shannon Bell

Elementary Teaching Assistant

Bernadette Bevins

Elementary Teaching Assistant

Julianna Monday

Elementary Teaching Assistant

Jon Farmer

Middle School Teacher

Carlene Dietz

Middle School Teacher

Kayla Lloyd

Middle School Teacher

Anne Anderson

Middle School Teaching Assistant

Milana Gates

Middle School Teaching Assistant

Troy Wolsleger

Middle School Teaching Assistant

Anastasia Burchette

High School Teacher

Robert Nguyen

High School Teacher


High School Teacher

Mona Salah

High School Teaching Assistant

Dimitra Tsibouris

High School Teaching Assistant

Eric Martiny

Physical Education Teacher

Sayuri Amaya

Physical Education Assistant


Floating Teacher

Sheila Tseng

Testing Coordinator

Dana Stein

Art Coordinator

Bonnie Erick

Librarian

Carolyn Delavan

Physical Education Assistant

Clinical Staff


Ashley Grampp

Speech & Language Pathologist

Lisa Hart

Speech & Language Pathologist

Peter Candela

Marriage & Family Therapist

Administrative & Support Staff


David Eisenman

Executive Director

Erin Rosenthal

Supervisor of Educational Services

Terrie Gero-Smead

Director of Finance & HR

Eunice Lee

Administrative Coordinator

Amy Trenchuk

Accountant

Daniel Ramirez

Maintenance

Kelsey McGee

Front Desk Support

Sunnye Salway

Front Desk Volunteer

Richard Schnetzer

Coordinator of Business Services

Jordan Rudolph
Jordan graduated from the University of Arizona with a B.S. in Special Education. She also obtained her M.A. in Special Education from Chapman University. She began working at Mardan in 2013 and her passion is working with children with special needs. She feels very lucky to do what she loves every day!

Becca Lew
Becca graduated from the University of Arizona with a B.S. in Special Education. She has been teaching at Mardan since 2015. She feels lucky to be a part of the tight-knit and supportive community at Mardan. In her spare time Becca enjoys spending time at the beach, getting out of town, and reading a good book.

Anie Cooper
Anie graduated from CSU Fullerton with a B.S. degree in Child and Adolescent Studies/Development and a Masters in the Art of Education. She holds Multiple Subject and Special Education credentials. She has worked at Mardan since 2005. Anie began working as a teaching assistant while she was going to school to earn her teaching credentials. Anie’s favorite thing about teaching at Mardan is the ability to teach children with different needs and figuring out the best and most effective ways to help them learn. She feels that the support that she receives from the staff and her students’ families is amazing. She is a wife and the mother of two energetic and loving little girls. Her family spends a lot of time doing things outdoors.

Kelsey McGee
Kelsey graduated from California State University, Chico with a degree in Recreation Administration. She is currently pursuing a multiple subject credential at Concordia University in Irvine. In her spare time, she likes to run, spend time with family and friends, and spend time outdoors.

Shannon Bell
Shannon graduated from CSU Fullerton in 2017 with a B.S. in Child and Adolescent Development with an option in Elementary School Settings. She currently attends Chapman University where she is studying to obtain her M.A. in Special Education, with Special Education Mild/Moderate and Moderate/Severe credentials. In her spare time, Shannon coaches volleyball and is a member of a foundation called Kids Affirmation through Mentoring and Sports (KAMS). Shannon is excited to be a part of the Mardan family and to have the opportunity to teach and work with our wonderful students.

Bernadette Bevins
Since graduating from UCSB in 2015, Bernadette has been working in Special Education in a variety of settings, with an emphasis in ABA and behavior intervention. Bernadette is passionate about helping children succeed in all aspects of life and is excited to bring her experience in behavior management into the COTA program that she is enrolled in.

Jon Farmer
Jon loves teaching middle school students and feels that he is custom built for the job. As a younger man, he faced many personal challenges and hurdles in his educational experiences, and these have helped to deepen his compassion and commitment to his students. He has earned degrees in a variety of fields (A.A. in Horticulture, B.A. in Sociology, M.S. & Clear Credential in Special Education), and tries to impart his love of learning and life, and his curiosity to all of his students.

Anne Anderson
Anne graduated from Chapman University in 2016 with a B.A. in Integrated Educational Studies. After spending two summers working at a center for children with special needs in Eastern Africa, she truly realized her passion for aiding students who may need a little extra help. She plans to continue her schooling to become a school psychologist. Anne feels very lucky to be working at Mardan because she learns something new every day from the other staff and amazing students. She really loves what she does!

Julianna Monday
Julianna recently graduated from Chapman University with a Masters degree in Special Education. Although her first year here at Mardan, she has worked with students for about 7 years. Julianna’s interests include learning about cultures and history, cooking, true crime shows, and spending time with her family and two dogs. She also enjoys country concerts and the beach.

Milana Gates
Milana has a B.A. degree from the University of Alabama. She has worked with students with special needs in Pre-K, elementary, and high school grades. Now she is excited to be part of the Mardan community and work with the amazing middle school students here. Milana is a native of Miami, FL and recently moved to Southern California from Fairfield, CT.

Anastasia Burchette
Anastasia is a retired Tustin Unified School District special education teacher. She possesses a Master of Science in Special Education degree from National University, a Multiple Subject Teaching Credential, and an Education Specialist Teaching Credential. She graduated Magna Cum Laude from the University of Southern California School of Business at age 19. She enjoys fashion, inspirational reading, and nonfiction writing.

Robert Nguyen
Robert spent most of his youth in Vietnam. He obtained a B.A. in Special Education from the University of Nebraska. He has worked at Mardan since 1987 and besides enjoying the dedication and wonderful team work of all the staff, Robert loves the satisfaction of working with students who need extra attention because of their disabilities. Robert has a wife and two grown sons. Outside of Mardan, he enjoys playing tennis, playing the keyboard and singing, and practicing martial arts.

Nicholas Martin
Nick graduated from San Diego State University with a B.S. degree in Kinesiology Physical Therapy. He has been at Mardan since summer 2012 and worked at various times as a P.E., high school and elementary assistant. Nick enjoys the family and team atmosphere within the Mardan community. In his spare time, Nick enjoys the beach, paddleboarding, and hiking. He plans to pursue his Doctorate degree in Physical Therapy and work for a professional sports team.

Eric Martiny
Eric has a B.S. in Physical Education, Health Education, and Coaching as well as an M.S. in Kinesiology with an emphasis in Curriculum Development and Adapted Physical Education. He has been a part of the Mardan family since 1995. He enjoys participating in a variety of physical activities and strives to maintain a healthy lifestyle. His favorite Vince Lombardi quote is: “The quality of a person’s life is in direct proportion to their commitment to excellence, regardless of their chosen field of endeavor.”

Sayuri Amaya
Sayuri graduated from CSU Long Beach in 2014 with a B.A. in Physical Education. A year later, she obtained a teaching credential in Physical Education from the same college. Through volunteer work and school assignments, she finds she enjoys observing psychomotor learning in children and teens. At the same time, she has learned from them and loves encouraging physical activity in children. She is excited to work at Mardan, and feels it is a great learning and professional experience.

Sheila Tseng
Sheila obtained her M.S. in Special Education at Indiana University – Bloomington and has worked at Mardan since 2001. She believes that working with students is very meaningful and rewarding as she sees them grow and improve! Her favorite hobbies include biking and going to bookstores on weekends with her family.

Dana Stein
Dana earned her B.F.A. in Graphic Design from San Diego State University in 1985 and began working at Mardan in 1987. She enjoys helping her students channel their inner artist! In her free time, she likes to take long walks and spend time with her family.

Bonnie Erick
Bonnie majored in English Literature at a small, liberal-arts college in the Los Angeles area. She and her husband are both second-generation native Californians: he bleeds Dodger blue, and she wishes she could spend more time at the beach. Mardan became an integral part of their lives in 1991 when they enrolled their son. A few years later, after Bonnie volunteered some hours in the library, David hired her! She feels it’s a joy to work with Mardan’s fabulous students, and if she were a speed-reader, she would devour all the books THEY recommend to HER!

Ashley Grampp
Ashley is excited to be a part of the Mardan School team. Prior to joining Mardan, she worked as a Speech-Language Pathologist at a private practice. Ashley received her Bachelor’s degree from California State University Fullerton, and Master’s degree from Chapman University. Outside of work, Ashley loves to spend time with her husband, new daughter, and two dogs. They enjoy watching sports, spending time with friends and family, and relaxing at home.

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David Eisenman
David is a native of Southern California and begins his 56th year at Mardan. He received his Master’s Degree in Educational Psychology from USC and is a member of the University Cardinal and Gold. He holds a Lifetime Teaching Credential from the state of California. He looks forward to challenges and opportunities ahead. Fight on!

Erin Rosenthal
Erin obtained her Bachelor’s degree in Elementary and Special Education as well as a Master’s degree in Special Education from Providence College in Providence, Rhode Island and received her Autism Authorization from Cal Poly Pomona. She joined the Mardan family as an elementary teacher in 2004. Erin loves working with the students and staff at Mardan who make every day an adventure and really keep her on her toes! When she is not at Mardan, Erin enjoys spending time with her family.

Terrie Gero-Smead
Terrie attended UC Santa Barbara and has a B.A. in Business Economics. She is a certified public accountant and, since 1991, has loved working with the staff at Mardan to make a difference in the lives of students and their families. She has a husband, and three adult children; a daughter and two sons. She also has two loveable rescue dogs and three cuddly rescue cats. When not working, she loves spending time with her family and friends, gardening, reading, playing with the animals, and spending time at the beach. She is also involved in special needs sports.

Eunice Lee
Eunice is an Orange County native who graduated from UCLA with a B.A. in English Literature (GO BRUINS!). Mardan was intended to be a temporary first post-college job but she loved the people and mission so much she ended up staying. She feels grateful to be able to work with such a wonderful community of students, families, and fellow staff. When not at Mardan, she enjoys spending time with family and friends, trying out new restaurants, and researching her next travel destination.

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Amy Trenchuk
Amy has a B.S. degree in Finance from Miami U. of Ohio. She started out with a career in branch banking before retiring to be a full-time Mom. Her daughter just graduated from college and her son will be starting college this year. She has two rescue cats. She and her husband enjoy going to the gym, hiking, reading and going on vacation.