Administration

Kathleen Winston, President
Ms. Winston brought more than 30 years of experience in both higher education and the healthcare industry when she was named President of National Polytechnic College of Science in November, 2008.

Before joining National Polytechnic, she served as Dean, Health Sciences and Human Services in the Emeritus Institute at Saddleback College, a position she held from 2003 to 2008. In her role as dean, she administered the operation of a 14,000-student division with five health sciences programs, seven human services certificates, and an American Sign Language/Interpreting program.

Previously, she served as Interim Dean, Health Sciences and Nursing Program Director at Pasadena City College from 2001-2003, and Lead District School Nurse for Corona-Norco Unified School District from 1995-2001. She also served as an associate professor of nursing at both Cypress College (1994-1995) and California State University, San Bernardino (1991-1994). Her professional career also includes stints with the County of Riverside; Azusa Pacific University; California State University, Fullerton; Chaffey Community College; Westminster College in Salt Lake City; Sunrise Hospital in Las Vegas; Hillcrest College in San Diego, Planned Parenthood; Queen of the Valley Hospital in West Covina; and Greater El Monte Community Hospital.

Ms. Winston earned an associate’s and a bachelor’s of science degree in nursing from the University of Nevada at Las Vegas. She earned master’s of science in nursing degrees from both California State University, Los Angeles (1977) and the University of San Diego (1979). She is currently pursuing a Ph.D. in nursing education and administration from the University of San Diego. She holds certificates in audiology and as a public health nurse. She also holds a health services credential (K-12) as well as a California community college lifetime teaching credential. She is a licensed registered nurse, also in California.

David Waller, Executive Vice President
Mr. Waller, who became the Executive Vice President of National Polytechnic College of Science on March 1, 2008, has been with the National University System since 1987. He has served in roles including Admissions Advisor and Director of Student Services for National University and as Associate Regional Dean since 1999, overseeing National University's Costa Mesa and Orange campuses. Mr. Waller holds a bachelor's in Business Administration and master's in Counseling Psychology, both from National University. As Executive Vice President, Mr. Waller oversees the academic and administrative areas of the College. He is responsible for the expansion of the programs and enrollments of the College and for increasing levels of quality across the institution. Mr. Waller is located at the College's Los Angeles campus and can be contacted at (310) 816-5705 or via email at DWaller@natpoly.edu.

Lida Castillo, Director of Financial Aid
Ms. Castillo has over 10 years of experience in the administration of Title IV Federal Financial Aid. She joined the private sector of postsecondary education after receiving a bachelor's in Public Policy and Administration from Cal State University, Bakersfield. She has since held positions as Financial Aid Administrator and Supervisor at the Campus and Corporate levels and is a member of Financial Aid Associations: National Association of Student Financial Aid Administrator (NASFAA) and California Association Student Financial Aid Administrator (CASFAA). Ms. Castillo may be contacted at (310) 816-5721 or via email at LCastillo@natpoly.edu.

Shelly Mitchell, Director of Admissions
Ms. Mitchell has over ten years of experience in higher education. She received a bachelor's of Business Administration and a master's in Educational Counseling from National University while working as an admissions advisor for over six years. Shelly came to National Polytechnic College in 2004 as an admissions advisor and later became the College's Registrar. In 2007, she supported the Honolulu campus as the Associate Regional Dean, and in 2008 she returned to California and is the College's Director of Admissions. Ms. Mitchell may be contacted at (858) 309-3509 or SMitchell@natpoly.edu.

Jonathon Osorio, Registrar
Mr. Osorio has valuable experience working in various administrative roles in higher education institutions. He began his tenure working at Stephen F. Austin State University while attending college towards his Bachelor's degree in Business Administration. Jon has been with the National University System for five years and spent four of those years in National University's Registrar's Office. He most recently held the role of supervisor in National University's Graduation Department before joining National Polytechnic College of Science as Registrar in the summer of 2007. Jon earned a Master of Science degree in Public Administration at National University and has always had an interest in working with non-profit institutions. Mr. Osorio may be contacted at (858) 309-3526 or via email at JOsorio@natpoly.edu.