De La Salle North Catholic High School

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Meet Our Leadership Team

Oscar Leong, President

Oscar comes to DLSNC from Cathedral High School, a Lasallian Christian Brothers school in Los Angeles, which serves more than 700 young men, primarily from low-income, Latino families. In addition to being a graduate of Cathedral, he worked at the school for 26 years in various roles, including English teacher and director of development and admissions. Oscar attended the University of California, Berkeley where he majored in political science. He is bilingual, and has both Mexican and Chinese heritage. He and his wife of 25 years, Rosa, are the proud parents of four children, the youngest of whom is a recent high school graduate.

Tim J

Tim Joy, Principal
Tim Joy was born into a Catholic family in southeast Portland where he attended Holy Family Catholic Parish School and was in the sixth graduating class of La Salle High School. His college career includes stints at St. Mary’s College of California,  Portland State University, and University of Portland. A lifelong Lasallian Catholic educator, Tim Joy began his career in 1983 at La Salle High School where he was a teacher, coach, Campus Minister, and English Department Chair.  Additionally he served as Associate Director of the National Science Foundation curriculum program conducted in Portland. Joy was part of the planning committee to create De La Salle North Catholic High School and joined the staff in fall of 2002 as Vice Principal of Academics. He was appointed Principal in 2010. Tim and his wife Kim are members of Christ the King Catholic Parish in Milwaukie where their children attended grade school before entering and graduating from La Salle High School and then going off to college. Currently, their five grandchildren keep them smiling and agile.


Ashleigh de Villiers, Direct of Development - De La Salle North Catholic

Ashleigh de Villiers,  Vice President for Advancement
Raised in Portland, Ashleigh is a Lincoln High School graduate. She received her bachelor’s degree in history from Northwestern University. Ashleigh brings more than fifteen years of experience in management and resource development for educational and social change organizations, both locally and internationally. Ashleigh started her career in Cape Town, South Africa in 2000 as Project Manager of the Amy Biehl Foundation Trust. Overseeing a staff of 90 employees, Ashleigh led the Trust’s efforts to expand their programs to two additional cities in South Africa. Transitioning to the role of Managing Director and Trustee of the organization, Ashleigh was instrumental in stabilizing the Trust after the passing of one of its founders. Ashleigh then focused her efforts in the area of development as a consultant for the Treatment Action Campaign, South Africa’s largest HIV/AIDS advocacy organization, where she established their first Development Department. Ashleigh moved back to Portland in 2007. After serving as a grant writing consultant for multiple local organizations, Ashleigh found a home at De La Salle North Catholic High School. Starting in 2014, Ashleigh served as Manager of Foundation Relations at the school, where she was successful in growing the school’s grant portfolio by 49% and proved an integral member of the school community.  She was hired as Director of Development in July of 2016 and promoted to Vice President of Advancement in July of 2017.


Sarah M

Sarah Maher, Director of Lasallian Youth Ministry
Sarah was raised in White Bear Lake, Minnesota and received her bachelor’s degree in Theology and Music from Saint Mary’s University, a Lasallian University, in Winona, Minnesota. From there, she joined the Lasallian Volunteer program and worked as a Campus Minister at Bishop Loughlin Memorial High School in Brooklyn, New York. Desiring more theological understanding, she attended Villanova University where she studied Theology while working in the Office of Campus Ministry with the Augustinians. Sarah brought 5 years of ministerial experience with her to Portland, Oregon in 2012 where she joined our Lasallian community and has loved introducing our students to opportunities to expand their faith lives through means of service and prayer. Sarah has been the Director of Lasallian Youth Ministry at DLSNC since the fall of 2012. During her time here, she has run the office of LYM which handles Campus Ministry, Service Learning, and Student Activities. She has also taught in the Theology department.


Ni'Cole Sims, Director of Admissions - DLSNC 

Ni’Cole Sims, Director of Admissions
Born and raised in Portland, Ni’Cole attended Marshall High School. Her strong dedication and passion for the field of education was developed while an undergraduate student at Portland State University (PSU) where she earned not just one but four separate bachelor degrees.  After completing her advanced degree in Educational Leadership and Policy at PSU, Ni'Cole went on to work in the office of admissions at Washington State University Vancouver as an Admissions Counselor. She later transitioned to Pacific University as the Assistant Director of Graduate and Professional Admissions where she led the School of Physical Therapy and Athletic Training admissions process. To cultivate her dedication and passion for social justice, diversity, equity, and inclusion, Ni’Cole joined Northwest Regional Education Service District (NWRESD) as the Regional Achievement Collaborative Coordinator. In this role, she worked across the P-20 education spectrum and built partnerships to improve the educational opportunities, for all learners, across 20 school districts. Most recently, she has been supporting a Department of Education grant— the Opening Doors Project through Portland Community College which increases college and career opportunities for young women at Oak Creek, providing support pre and post release that empowers them to reach their goals. Ni’Cole was hired as the Director of Admissions in May of 2017. She is excited to join the De La Salle North Catholic High School community and looks forward to supporting students and their families.