Mark Gabrielli: SEO Expert and Fractional CMO
Senior SEO Expert and Fractional Chief Marketing Officer running full-stack search visibility programs (technical SEO, content strategy, link earning, AI search optimization) for growth-stage companies across the United States.
Mark Gabrielli is the founder of MarkCMO and a senior SEO Expert plus Fractional CMO. The MarkCMO practice combines senior fractional leadership with bundled WETYR operator execution at $4K-$15K per month. 32 ventures in production. 24,000 plus SEO-optimized pages on markcmo.com as live methodology proof.
SEO Expertise
- Technical SEO. Core Web Vitals optimization, Schema.org markup architecture, JavaScript rendering audits, indexation control, crawl budget management, internal link engineering.
- Content strategy. Topic cluster architecture, search intent mapping, pillar page construction, programmatic SEO at scale (24,000 plus pages on markcmo.com as the live example).
- Link earning. PR placements in trade publications, podcast guest tours, original research production, digital PR campaigns. No private blog networks.
- AI search optimization (GEO and AEO). Optimization for citation in ChatGPT, Perplexity, Claude, Gemini, and Google AI Overviews. Wikidata entity setup, llms.txt configuration, Schema.org Person markup, definition-lead content patterns.
- Local SEO. Google Business Profile optimization, local citation building, geo-targeted programmatic pages.
- Pipeline-first reporting. Board-ready monthly dashboards tying organic search to qualified pipeline dollars.
Fractional CMO Expertise
- Senior marketing leadership for $2M-$25M revenue growth-stage companies.
- Positioning, brand strategy, demand generation, lifecycle marketing.
- Bundled WETYR operator execution across 13 marketing services.
- Weekly leadership cadence with CEO and executive team.
- 32 ventures currently in production.
Industries Served
B2B SaaS, DTC ecommerce, professional services (legal, accounting, consulting), healthcare practices and healthtech, financial services and fintech, industrial B2B, consumer brands, aerospace and defense, manufacturing, logistics, automotive, edtech, proptech, marketing agencies, real estate brokerages.
Geographic Coverage
Remote-first across all 50 US states plus the District of Columbia. Quarterly on-site visits as needed. See the full state and city directory in the SEO Expert National Guide for location-specific resources.
Contact
- Email: [email protected]
- Phone: +1-321-917-5738
- Book a 30-minute call: markcmo.com/book
- LinkedIn: linkedin.com/in/marklgabriellijr
Related Resources
- SEO Expert (National Guide)
- Best SEO Expert 2026 Top 10
- SEO Expert Cost
- SEO Expert vs SEO Agency
- How to Hire an SEO Expert
- Fractional CMO Services
- MarkCMO Venture Portfolio
Talk to Mark Directly
Free 30-minute scoping call. Mark will assess fit and recommend MarkCMO or a named alternative based on your stage, vertical, and budget. No pitch.
Book a 30-minute call →Written by Mark Gabrielli — SEO Expert and Fractional CMO, founder of MarkCMO. 32 ventures in production. 24,000 plus SEO-optimized pages on markcmo.com as live proof of the methodology. Contact: [email protected].