Harold Guadiz
@haroldwinstonguadiz
Adaptable professional with experience in admin, operations, sales, and AI data support.
What I'm looking for
Harold Winston Guadiz is an adaptable and results-driven professional with a Bachelor’s degree in Secondary Education majoring in English RESUME. He began his career as an Administrative Assistant at LGU – LIGA, where he supported local governance by streamlining records, coordinating meetings, and assisting in the preparation of official documents across multiple barangays.
He later expanded his expertise in business operations at Park Vegetable Farm and Delivery, first as an Assistant Manager and then as Manager, where he supervised logistics, strengthened supplier and client relations, and optimized financial and inventory processes to ensure timely, high-quality delivery of fresh produce.
Seeking new challenges, Harold transitioned into the retail and sales industry as a Brand Specialist at CMA Commercial Trading Corporation, helping increase product visibility and sales through strategic in-store promotions and customer engagement RESUME. He continued to excel in public customer interaction as a Roving Sales Demo representative at AKS Industries, consistently improving brand trust and achieving sales targets through hands-on product demonstrations across multiple mall branches.
Most recently, Harold ventured into the tech sector as a Data Service Specialist – Generative AI & LLM, ensuring accuracy and quality in data labeling to support AI performance and ethical standards in both text and image generation projects.
Across every role, Harold brings strong communication, initiative, and a commitment to continuous learning. His diverse experience allows him to adapt and deliver results in various industries—from government work and business operations to sales and emerging technology.
Experience
Work history, roles, and key accomplishments
Supported generative AI development by evaluating outputs, ensuring ethical quality standards, and refining text and image model performance.
Remote Data Service Specialist
RWS
Sep 2025 - Oct 2025 (1 month)
Supported generative AI and LLM projects by performing accurate data labeling and evaluation, ensuring quality and ethical standards in outputs for text and image generation tasks.
Roving Sales Demo
AKS Industries Inc.
Dec 2024 - Jul 2025 (7 months)
Built product trust and improved brand presence through interactive demonstrations while consistently meeting or exceeding sales goals.
Roving Sales Demo
AKS Industries
Dec 2024 - Jul 2025 (7 months)
Increased brand sales and visibility through engaging product demonstrations across mall branches, delivered excellent customer service, and consistently met or exceeded sales targets.
Brand Specialist
CMA Commercial Trading Corporation
Oct 2022 - Nov 2024 (2 years 1 month)
Drove sales growth through strategic promotions, hands-on product education, and effective merchandising and inventory coordination.
Manager
Park Vegetable
Jul 2023 - Jun 2024 (11 months)
Directed daily operations and staff, handled budgeting and supplier relations, and ensured efficient, high-quality delivery services.
Manager
Park Vegetable Farm and Delivery
Jun 2023 - Jun 2024 (1 year)
Directed daily farm and delivery operations, managed staff, logistics and customer relations, and oversaw financial tracking, budgeting, and supplier coordination to improve delivery efficiency.
Assistant Manager
Park Vegetable
Feb 2021 - Jun 2023 (2 years 4 months)
Managed day-to-day farm logistics, ensured fresh product delivery, and built trusted relationships that helped expand the business.
Assistant Manager
Park Vegetable Farm and Delivery
Feb 2021 - Jun 2023 (2 years 4 months)
Helped streamline delivery routes and inventory tracking to reduce delays and waste, supervised daily operations, and built relationships with customers and suppliers to support business growth.
Administrative Assistant
LGU LIGA
Oct 2019 - Feb 2021 (1 year 4 months)
Handled records, correspondence, and official reports while ensuring smooth coordination between barangay leaders and LGUs.
Administrative Assistant
LGU - LIGA Bulan
Oct 2019 - Feb 2021 (1 year 4 months)
Streamlined record-keeping and correspondence across multiple barangays, coordinated official meetings and events, and prepared reports and resolutions supporting local governance programs.
Education
Degrees, certifications, and relevant coursework
Rafael G. De Castro College
Bachelor in Secondary Education, Secondary Education (Major in English)
Completed a Bachelor in Secondary Education with a major in English, graduating in April 2019.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
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