Kent Jue, Artistic and Executive Director

Kent Jue is thrilled and honored to lead the administrative arm of Ragazzi. Having developed music programs in the San Francisco Bay Area for over 30 years, Kent is renowned for his leadership in developing and promoting student achievement and engagement, and for inspiring families and communities. During his tenure as Executive Director, Kent has guided Ragazzi’s growth plan as it became the largest boys chorus program in the Bay Area, created two satellite programs for entry-level families, increased grant and foundation support, and established Ragazzi’s first endowment. He is a member of Chorus America’s Leadership Development Forum, a Packard Foundation grantee, a participant in the Stanford Social Innovation Review’s Nonprofit Management Institute, and a recent panelist for the California Arts Council’s Arts Education Exposure grant. Kent is dedicated to developing Ragazzi’s extensive program to its fullest potential.

Joan Addicott, Chorus Manager, Volunteer & tour coordinator

Joan Addicott supports the general management, operations, and performance logistics of the concert season. She is a first point of contact for music directors needing logistical support. She is happy to facilitate direct communication for parents with any faculty or rehearsal concerns. Joan is responsible for Ragazzi’s volunteer program, identifying volunteer opportunities and finding good fits for volunteers. She is in charge of training and needed documentation, and supporting team leaders.  She also manages Honor Choir submissions, international and domestic tour planning services, calendarizes events and rehearsal schedules, produces call sheets, and arranges concert venues.  In addition, Joan creates and implements production programs, manages registration and roster database, develops outreach opportunities and collaborations, assists with auditions and rehearsals, coordinates summer camp, organizes SF Giants singing opportunities, and manages visiting choir homestays.

Joan was a long-time Ragazzi volunteer and is a proud parent of a Ragazzi alumni, who was a chorister for 11 years. During her years as a Ragazzi parent she filled many volunteer roles such as exit duty coordinator, concert ticket sales, concert chaperone, carpool coordinator, and helped with gala planning and office duties. Joan is excited to be part of this engaging and rewarding organization and has enjoyed seeing her own son and his Ragazzi peers mature and flourish into talented, kind and happy young adults. Joan is a classically trained pianist. She has also worked as a Program Manager for a small Palo Alto technology company, working closely with larger technology companies such as HP, Cisco, Juniper, Palo Alto Networks and Jabil.

Laura Graham, Music Librarian

Laura Graham is responsible for the purchase, maintenance, and accounting of Ragazzi music. She is also Head Theory Clerk, and recording choristers’ theory work, classroom participation, and homework.

Julie Mamis, Ragazzi Camp Director

Julie Mamis holds an MA in Education from Concordia University and has been a credentialed teacher since 1989. She was a lead teacher in a K–8 Montessori school and designed and led middle school outdoor education experiences. Julie works at Parkside Montessori in San Mateo. She is supporting the growing public school as it becomes a fully accredited Montessori Pre-K through grade 8 school. Julie has 30 years of camping experience as a Girl Scouts leader and has led many tours with middle school students. She has chaperoned Ragazzi tours and is the parent of 3 adult children, one of whom is a Ragazzi alumnus. She has been Ragazzi Camp Director since 2015.

Leslie Spaeth, Controller

Leslie Spaeth manages Ragazzi’s day-to-day finances, including processing payments for all tuitions, merchandise, donations, events and concert ticketing. She helps develop and manage Ragazzi’s annual budget. Leslie manages Ragazzi’s payroll and HR files, pays Ragazzi’s bills and oversees IT work. Come to Leslie if you need help with financial aid or expense reimbursements.

Leslie’s son sang with Ragazzi. She volunteered in the North Star Academy Parent Club, serving as its Treasurer and Vice President. Before becoming a mother, Leslie was a CPA and worked for Advanced Micro Devices as an SEC Reporting Analyst. At her last gig, she worked at PayPal as an Assistant Controller in the finance department. In her free time Leslie enjoys photography, video editing, and editing photos in Photoshop. She earned her Bachelor of Science in Accounting at Texas A&M.

Nancy Whitecar, Programs and Recruiting

Nancy Whitecar is a professional musician and music educator with over 25 years of experience. She teaches general music classes at The Music School at the Sunnyvale Presbyterian church, and accompanies for instrumentalists and choirs throughout the Bay Area. Nancy has directed children’s and youth choirs, and taught piano to students of all ages in her private piano studio. She served as accompanist and assistant director of the BeckRidge Chorale in Southeast Michigan for over 20 years, and as Associate Director of Music at the First United Methodist Church in Plymouth, Michigan. Nancy is a member of the Music Teachers National Association, and the California Association of Professional Music Teachers. She graduated from the University of Illinois, and holds a Piano Teacher Certificate from Schoolcraft College in Michigan.


Lauren Estes helps to coordinate performances and virtual choirs, serves as the liaison between artistic and office staff, and provides office support. On the development side, Lauren is involved with grant sourcing and writing, coordinating the Annual Fund, and maintaining donor records. Lauren updates Ragazzi’s website and social media accounts and assists with Ragazzi’s newsletters and other communications.

Lauren holds a Master of Music degree in choral conducting from Syracuse University and a double major Bachelor of Arts degree in music and psychology from the College of William and Mary. A Virginia native, Lauren directed the central Virginia choirs Bel Canto Vocal Ensemble and Madison Choral Society and sang with several Virginia choirs prior to moving to California. She currently sings with Masterworks Chorale and Serenade Chamber Choir and serves as the Education Program Coordinator for Music at Kohl Mansion.