Mariah Fonseca

Results-driven People Operations and Events Manager with extensive experience managing large-scale employee engagement initiatives, vendor relations, and administrative operations in fast-paced environments. Adept at onboarding, HRIS data management, event organization, and compliance. Skilled in Microsoft Office Suite (Excel, PowerPoint, SharePoint, Forms), Canva, and Dayforce. Recognized for refining processes, improving team engagement, and fostering a collaborative and high-performing workplace culture.

Sephora - Los Angeles, CA
Operations Manager
· Manage employee onboarding and personnel records, ensuring compliance with company policies.
· Serve as a key point of contact for employment verification and HRIS data management (Dayforce).
· Support new hire orientation sessions and coordinate all required documentation.
· Oversee employee engagement programs, incentive distribution, and internal communications.
· Lead event planning and execution, including vendor coordination, venue booking, and logistics.
· Utilize Microsoft SharePoint, PowerPoint, and Forms to track and report on employee initiatives.
· Supervise store marketing and social media campaigns, increasing engagement by 3%.
· Ensure accurate inventory and vendor certification compliance for store operations.
· Collaborate with cross-functional teams to enhance workplace culture and employee morale.

California State University Northridge Northridge, CA Bachelor of Science: Sociology