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Sean De CastroSC
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Sean De Castro

@seandecastro

Business Operations, Business Management, Administration, Marketing, Social Media, etc.

Philippines
Message

I am an Executive Administrator & Business Manager with over 22 years of professional experience supporting business owners, entrepreneurs, executives, startups, and established organizations across diverse industries and international markets.

My expertise spans executive administration, business management, operations management, business development, project coordination, consulting, marketing, digital marketing, social media management, graphic design, CRM management, and administrative leadership.

I have extensive experience working across real estate, property management, construction, architecture, engineering, financial services, mortgage and loan administration, insurance, solar energy, renewable energy, electrical services, battery storage, EV charging, CCTV and security systems, LED lighting, refrigeration, HVAC, commercial maintenance, transport, logistics, delivery, haulage, health and fitness, wellness, travel, hospitality, e-commerce, media, education, marketing, consulting, and professional services.

With almost four years of consulting experience and approximately 14 years of professional graphic design experience, I bring a diverse combination of management, operational, administrative, business development, and creative capabilities.

I am experienced in managing business operations, coordinating projects and teams, developing workflows and SOPs, providing executive support, managing client relationships, conducting business research, generating leads, coordinating marketing activities, managing CRM systems, and improving business processes.

I am proficient in a wide range of business applications, including GoHighLevel, HubSpot, ActiveCampaign, Monday.com, Asana, ClickUp, Trello, Microsoft 365, Google Workspace, Canva, Figma, CapCut, Xero, WordPress, Wix, Squarespace, and various communication, marketing, and business management platforms.

I am a proactive, resourceful, adaptable, and results-oriented professional who understands the importance of organization, accountability, communication, efficiency, and continuous improvement.

My approach goes beyond administrative support. I aim to become a reliable business partner who understands organizational goals, takes ownership of responsibilities, supports leadership, improves operations, and contributes to sustainable business growth.

I am open to full-time and part-time remote opportunities, long-term professional partnerships, consulting engagements, and project-based work.

My goal is to help businesses operate more efficiently, improve productivity, strengthen their systems, and achieve sustainable growth.

Experience

Work history, roles, and key accomplishments

SD

Executive Assistant

Social Media Manager & Graphic Designer

Mar 2010 - Aug 2012 (2 years 5 months)

Provided comprehensive executive, administrative, operational, and technology support directly to the Founder/CEO. Managed projects, calendars, emails, appointments, events, invoices, purchasing, payroll, and day-to-day business administration.

Education

Degrees, certifications, and relevant coursework

University of Batangas logoUB

University of Batangas

Bachelor of Science, Business Administration

2004 - 2008

Bachelor of Science in Business Administration from the University of Batangas, completed from 2004 to 2008.

Tech stack

Software and tools used professionally

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