Hi, I'm Marie Castillo, a digital marketing consultant and SEO strategist with over five years of experience helping brands grow online. I specialize in technical SEO, keyword mapping, content optimization, and programmatic SEO, and I've worked with businesses across industries like hospitality, food, and education. Through my work at DiMarC Designs, I've helped agencies and small businesses improve their organic visibility, site speed, and user experience by turning complex SEO data into clear, actionable strategies. I also have a background in building and maintaining websites, which gives me a well-rounded view of how SEO, design, and development all work together. I enjoy collaborating with content creators, developers, and marketing teams to create strategies that actually move the needle. Alongside organic efforts, I’ve also managed paid search campaigns and worked on conversion rate optimization. I'm always looking to learn, grow, and help brands show up and stand out in the digital space.…

Marie Castillo

Hi, I'm Marie Castillo, a digital marketing consultant and SEO strategist with over five years of experience helping brands grow online. I specialize in technical SEO, keyword mapping, content optimization, and programmatic SEO, and I've worked with businesses across industries like hospitality, food, and education. Through my work at DiMarC Designs, I've helped agencies and small businesses improve their organic visibility, site speed, and user experience by turning complex SEO data into clear, actionable strategies. I also have a background in building and maintaining websites, which gives me a well-rounded view of how SEO, design, and development all work together. I enjoy collaborating with content creators, developers, and marketing teams to create strategies that actually move the needle. Alongside organic efforts, I’ve also managed paid search campaigns and worked on conversion rate optimization. I'm always looking to learn, grow, and help brands show up and stand out in the digital space.…

Available to hire

Hi, I’m Marie Castillo, a digital marketing consultant and SEO strategist with over five years of experience helping brands grow online. I specialize in technical SEO, keyword mapping, content optimization, and programmatic SEO, and I’ve worked with businesses across industries like hospitality, food, and education. Through my work at DiMarC Designs, I’ve helped agencies and small businesses improve their organic visibility, site speed, and user experience by turning complex SEO data into clear, actionable strategies.

I also have a background in building and maintaining websites, which gives me a well-rounded view of how SEO, design, and development all work together. I enjoy collaborating with content creators, developers, and marketing teams to create strategies that actually move the needle. Alongside organic efforts, I’ve also managed paid search campaigns and worked on conversion rate optimization. I’m always looking to learn, grow, and help brands show up and stand out in the digital space.

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Language

English
Fluent
Tagalog
Fluent

Work Experience

SEO Strategist at The AD Leaf Marketing Firm
December 10, 2023 - August 1, 2024
As an SEO Strategist, I conducted comprehensive SEO audits to identify technical issues, on-page opportunities, and performance gaps across client websites. I developed keyword maps aligned with user intent and business goals, and implemented optimization strategies that boosted visibility and search performance. I improved site speed and performance using tools like PageSpeed Insights, GTMetrix, and Core Web Vitals. I submitted XML sitemaps to Google and Bing Webmaster Tools and resolved indexing issues via Search Console. I also worked on Local SEO initiatives by refining and optimizing business profiles using Google My Business to improve map visibility and local search results. In addition, I led link-building initiatives and monitored off-page SEO effectiveness. Collaborating closely with developers, designers, and content writers, I ensured SEO best practices were integrated across site structures and campaigns. I regularly provided clients with performance insights and recommendations through reports created in Looker Studio and Google Analytics 4.
SEO & Digital Marketing Consultant at DiMarC Designs
January 1, 2008 - Present
As the Founder and Digital Marketing Consultant at DiMarC Designs, I provide tailored digital strategy and website solutions to small business clients in the food, hospitality, logistics, and tech industries. My work includes building SEO-optimized websites using WordPress and HTML/CSS, conducting in-depth keyword research and competitive analysis, and performing technical audits to shape comprehensive SEO strategies. I guide clients on content architecture and keyword integration to strengthen both blog and website performance. I also develop niche-specific link-building strategies to improve domain authority and visibility. In addition, I support local SEO by refining business profiles through platforms like Google Business. I communicate performance trends and evolving priorities through clear, data-driven reporting and strategy reviews.
Web Developer | Digital Marketing Specialist at Zovio (formerly Bridgepoint Education)
December 13, 2013 - May 25, 2018
At Zovio, I led SEO strategy and landing page development across multiple higher education brands. I conducted comprehensive SEO audits and optimized site structure and page performance using HTML, JavaScript, and CMS platforms. I developed tracking URLs and measured campaign effectiveness through Google Analytics. I also managed A/B testing for key landing pages, resulting in a 15% increase in user engagement and sign-ups. One of my standout accomplishments was the creation of SEO-optimized landing pages that generated over 50,000 visits within the first week.

Education

Bachelor of Science at San Diego State University
September 1, 1997 - May 31, 2001

Qualifications

Google Analytics Certification
April 1, 2024 - April 1, 2026
Google Ads Certification
April 1, 2024 - April 1, 2026
Hubspot Digital Marketing Certification
May 1, 2024 - May 1, 2026

Industry Experience

Transportation & Logistics, Travel & Hospitality, Real Estate & Construction, Media & Entertainment, Professional Services, Software & Internet, Retail, Education
    uniE621 Hy-Lang Electric – Ongoing SEO & Website Optimization
    Role: SEO Strategist & Site Manager I provide continuous search engine optimization and website maintenance for Hy-Lang Electric* *Active Users: 501 (+5% vs. previous period)* *New Users: 495 (+5.8%)* *Engaged Users: 46% engagement rate (+22%) with 38% more pageviews per user and nearly 50% longer session time.* *Search Visibility: 395 clicks (+18%) and 5.63K impressions (+14%) in Google Search Console; top service page clicks rose 12%, and employment page clicks climbed 75%.* By pairing ongoing SEO enhancements with proactive website upkeep, Hy-Lang Electric continues to see steady traffic growth, stronger engagement, and improved keyword positioning across core service offerings.…
    paper Platinum Roofing & Construction – SEO Strategy & Performance Optimization

    Role: SEO Strategist | Client: [Platinum Roofing & Construction](https://www.twine.net/signin

    I led the search engine optimization strategy for Platinum Roofing & Construction, a regional roofing and restoration company focused on residential and commercial projects. My responsibilities included:

    1.Comprehensive SEO Audit: Assessed site structure, Core Web Vitals, and crawlability to identify technical barriers affecting indexation and rankings.
    2. Keyword Research & On-Page Optimization: Mapped high-intent search terms to key service pages (roof repair, storm damage restoration, insurance claims), rewriting metadata, headings, and internal links to align with local search demand.
    3. Content Enhancements: Recommended service page copy updates and blog topics to improve topical authority for roofing-related queries across multiple counties.
    4. Technical Improvements: Implemented schema markup, optimized image sizes, and applied performance best practices via PageSpeed Insights and GTMetrix, reducing load time and improving mobile usability scores.
    5. Local SEO: Strengthened the Google Business Profile and citation consistency across directories, helping elevate the client’s visibility in Google Maps for “roofing contractor + city” searches.
    6. Analytics & Reporting: Built a custom Looker Studio dashboard pulling data from GA4 and Search Console to monitor keyword growth, traffic trends, and conversion metrics.

    Results: Within the first 90 days, the site recorded improved rankings for priority keywords (e.g., “roof repair [city]”), a measurable uptick in qualified organic leads, and higher engagement on mobile.