What departments does Justin-Siena High School have?

Justin-Siena High School has employees across 7 departments including Finance, Sales, Real Estate, Human Resources, Education.

What is the largest department at Justin-Siena High School?

The largest department at Justin-Siena High School is Education with 15 employees.

Where are Justin-Siena High School employees located globally?

Justin-Siena High School has employees across 2 continents and 2 countries including United Kingdom Of Great Britain And Northern Ireland, United States Of America.

How has Justin-Siena High School's team size changed over time?

Justin-Siena High School's team has grown from approximately 74 to 75 employees based on available data.

Justin-Siena High School Employee Directory

Education Administration ProgramsCalifornia, United States51-200 Employees

Justin-Siena High School is a Catholic, college-preparatory secondary school rooted in the Lasallian tradition. It occupies a 40-acre campus in Napa, California, and serves about 635 students in grades 9 through 12, drawing families from Napa, Sonoma, and Solano Counties. The institution holds accreditation from the Western Association of Schools and Colleges and the Western Catholic Education Association, and its leadership comprises a President and Principal supported by De La Salle Christian Brothers, Dominican Sisters of San Rafael, and lay staff. Justin-Siena traces its origins to 1966, when Justin High School and Siena High School opened on adjacent campuses and merged in 1972; sponsorship was transferred to the De La Salle Christian Brothers in 2005-06. It is part of a global Lasallian network spanning 84 countries. In 2023, Joe Welling was named principal.

Justin-Siena High School Global Highlights

North America
206

United States Of America
206

Europe
1

United Kingdom Of Great Britain And Northern Ireland
1

Justin-Siena High School's Leadership

N. R.
Chief Financial Officer
Mobile Phone
Email
M. P.
President
Mobile Phone
Email
E. B.
Head Coach Girls Soccer
Mobile Phone
Email
J. R.
Head Tennis Coach
Mobile Phone
Email
J. E.
Head Girls Lacrosse Coach
Mobile Phone
Email
J. O.
Founding Partner And Managing
Mobile Phone
Email
J. W.
Founding Partner And Managing
Mobile Phone
Email
T. M.
Partner
Mobile Phone
Email

Justin-Siena High School Employee Metrics

100%

50%

0%

2026

2025

Education
Administrative
Information Technology
Business
Community & Social Services
Other

Contact profiles from Justin-Siena High School

Name

Title

Contact

Location

Last Update

M. S.
Teacher
Mobile Phone
Email
Oct 22, 2024
M. K.
Teacher
Mobile Phone
Email
Oct 16, 2024
M. J.
Other
Mobile Phone
Email
Oct 17, 2024
P. M.
Teacher
Mobile Phone
Email
Oct 21, 2024
R. G.
Personnel
Mobile Phone
Email
Oct 21, 2024
S. M.
Teacher
Mobile Phone
Email
Oct 22, 2024
S. R.
Teacher
Mobile Phone
Email
Oct 16, 2024
S. K.
School Secretary
Mobile Phone
Email
Oct 22, 2024
T. B.
Bookkeeper
Mobile Phone
Email
Oct 23, 2024
T. B.
Bookkeeper
Mobile Phone
Email
Oct 23, 2024

Frequently Asked Questions

What is Justin-Siena High School known for?

Justin-Siena High School was founded in 1966 and operates in the Education Administration Programs industry. You can contact Justin-Siena High School's main corporate office by phone at

+1-707-255-****

. Explore Justin-Siena High School's company overview page for more information.

What is Justin-Siena High School's most common email format?

Justin-Siena High School employees' email format typically follows the pattern of FLast@justin-siena.org. Trying to find reliable and up-to-date employee contact data? Find more Justin-Siena High School email formats with LeadIQ.

How many employees does Justin-Siena High School have currently?

Justin-Siena High School has approximately 112 employees as of August 2026. These team members are located across 2 continents, including North America and Europe.

Who are Justin-Siena High School's key employees and leadership?

As of August 2026, Justin-Siena High School's key employees include:

Chief Financial Officer: N. R.
President: M. P.
Head Coach Girls Soccer: E. B.
Head Tennis Coach: J. R.
Head Girls Lacrosse Coach: J. E.

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Justin-Siena High School Employee Directory

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