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  • The Sacramento County Deputy Sheriffs' Association has utilized the services of Mastagni Holstedt, A Professional Corporation for over 30 years. During my tenure as Association President there has not been one situation that the firm could not handle... Read more >

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Mastagni Holstedt, A Professional Corporation
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Northern California Location
1912 I Street
Sacramento, CA 95811
916-446-4692 Phone
916-447-4614 Fax
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Southern California Location
9327 Fairway View Place, Suite 304
Rancho Cucamonga, CA 91730
909-477-8920 Phone
Other Locations in Whittier, Chico, Stockton and San Jose

Shaun Du Fosee

(916) 446-4692 | VCard

Shaun Du Fosee joins the firm with over 30 years of law enforcement experience and 20 years in association leadership, and an extensive list of expertise tailored to labor and employment management issues.

His professional accomplishments include:

  • Served nearly 20 years as a member of PORAC Board of Directors, including Executive and Insurance and Benefits Committees
  • A former representative for Central Democratic Committee of Sonoma
  • Resided as a member of the Board of Trustees for Grange Credit Union
  • Co-founder of SCCOLO-Sonoma County Coalition of Labor Organizations

Before choosing to dedicate to a second career in the private sector, Shaun retired as Sergeant from the Sonoma County Sheriff’s Office after 32 years of service. During his career as a law enforcement and serving in the capacity of a leadership role in SCSOEA/SCLEA, Shaun has negotiated ten (10) MOU’s with his County, resolved countless grievance/discipline issues, participated in PERB and OSHA complaint processes, and co-chaired a joint labor/management committee devoted to health care issues.