Melissa Guerrero
Tustin
Summary
Human Resources professional with strong focus on team collaboration and achieving results. Skilled in recruitment, employee relations, and benefits administration. Reliable and adaptable, capable of managing changing needs and priorities. Known for effective communication and problem-solving abilities, ensuring positive workplace environment and efficient HR operations.
Overview
10
10
years of professional experience
Work History
Executive Assistant
The Coalition of Orange County Community Health Centers
Orange, CA
10.2023 - Current
- Serve as primary liaison to the Board of Directors and Executive Committees, including scheduling meetings, preparing agendas and minutes, and ensuring timely distribution of board materials.
- Support CEO and executive leadership with complex scheduling, correspondence, presentations, and confidential communications.
- Managed confidential HR-related documentation and ensured compliance tracking to support executive leadership and governing board operations.
- Managed logistics for board member and leadership meetings, encompassing venue arrangements, catering logistics, and meticulous preparation of necessary materials.
- Maintain organizational records and compliance documentation for board governance.
- Provide office management support, including vendor relations, inventory, and operational needs.
- Manage special projects across departments to support Coalition initiatives and community health programs.
- Uphold strict confidentiality while handling sensitive organizational and personnel matters.
- Coordinate executive and all staff travel arrangements, including flights, lodging, transportation, and itineraries.
- Prepare and reconcile expense reports to ensure accurate tracking and policy compliance.
Senior Office Manager & Human Resources
HR Unlimited
Santa Ana, CA
08.2022 - 10.2023
- Directed daily office operations, workflow management, and staff scheduling to ensure smooth business functions.
- Oversaw HR responsibilities, ensuring effective recruitment, seamless onboarding, comprehensive benefits administration, and accurate employee record keeping.
- Developed and updated company policies and procedures to maintain compliance with labor regulations.
- Oversaw the organization and maintenance of confidential personnel files, safeguarding sensitive information.
- Managed payroll, AP/AR, and reconciliations to ensure accurate financial tracking.
- Partnered with leadership on performance management, training, and employee engagement initiatives.
- Coordinated vendor relationships, office inventory, and supply procurement to support operational efficiency.
- Maintained strong client relationships through proactive communication, issue resolution, and tailored service to improve client satisfaction and retention.
- Collaborated with leadership to identify client needs and implement strategies that supported long-term partnerships.
Office Manager and Human Resources
Flex Technology Group
Irvine, CA
08.2020 - 08.2022
- Improved office operations by automating client correspondence, record tracking, and data communications.
- Established efficient workflow processes, monitored daily productivity, and implemented modifications to improve the overall effectiveness of personnel and activities.
- Provided complete meeting support, including materials preparation and notes or minute taking.
- Optimized organizational systems for payment collections, AP/AR, deposits, and recordkeeping.
- Oversaw office inventory activities, including ordering and requisitions, stocking and shipment receiving.
- Compared to vendor prices to ensure optimal savings.
- Handled all incoming business and client requests for information.
- Performed billing, collection and reporting functions for the office.
- Received and answered emergency and non-emergency calls.
- Proactively addressed problems and suggested solutions.
- Assessed situations and prioritized calls.
- Oversaw the route of field units and tracked delivery status of products.
Office Manager and Human Resources
P5 Graphics and Displays
Fullerton, CA
10.2015 - 05.2020
- Facilitated staff management and coordinated recruitment efforts to align talent acquisition with organizational goals.
- Supported recruitment, onboarding, performance management, and personnel recordkeeping.
- Managed relationships and information flow among executives, employees, clients, and external partners to ensure seamless operations.
- Managed professional and personal scheduling for CFO, including agendas, mail, email, calls, travel arrangements, client management, and other company logistics
- Facilitated strategic succession planning to ensure leadership continuity and organizational stability.
- Organized and maintained the office filing system
- Assisted with the performance management and review process
- Oversaw and managed the general accounting functions, including, but not limited to accounts payable, accounts receivable, daily financial entries, and reconciliations.
- Oversaw office inventory activities, including ordering and requisitions, stocking and shipment receiving.
- Maintained professionalism and strict confidentiality with all materials, and exercise discretion when interfacing with the business
- Assessed current practices and procedures and made recommendations for improvements.
Education
MBA - Human Resources
Louisiana State University
Baton Rouge, LA05-2027
Bachelor of Arts - Business Administration and Management
California State University
Fullerton, CA05-2020
Skills
- Policy and procedure modification
- Strategic Planning
- Excellent multi-tasking ability
- Team Leadership
- Payroll & Benefits Coordination
- Customer & Employee Relations
- Data Entry
- Bookkeeping
- Organizational skills
- Customer Service
- Microsoft Excel, Word, PowerPoint
- Recruitment & Selection Support
- Benefits Administration & Onboarding
- Confidential Personnel Records
Languages
Spanish
Professional Working
Timeline
Executive Assistant
The Coalition of Orange County Community Health Centers
10.2023 - Current
Senior Office Manager & Human Resources
HR Unlimited
08.2022 - 10.2023
Office Manager and Human Resources
Flex Technology Group
08.2020 - 08.2022
Office Manager and Human Resources
P5 Graphics and Displays
10.2015 - 05.2020
MBA - Human Resources
Louisiana State University
Bachelor of Arts - Business Administration and Management
California State University