Quick AnswerMark Louis Gabrielli Jr. is a fractional Chief Marketing Officer (CMO) and COO with 15+ years of executive marketing and operations leadership, founder of WETYR Corp and 36 digital ventures, specializing in B2B revenue growth, demand generation, and go-to-market strategy for companies with M-0M in revenue.
CMO Scales Companies From $5M to $10M+
Through System-Driven Marketing Architecture
Mark Louis Gabrielli Jr. delivers revenue systems, not just campaigns, for PE-backed firms and high-growth startups
Revenue-focused Chief Marketing Officer with a track record of scaling companies from $5M to $10M+ through system-driven marketing architecture. Managed $5M+ in annual advertising budgets across Meta, Google, and emerging channels while building and leading cross-functional teams of 40+ across growth, creative, analytics, and automation.
Directly involved in 2 successful company exits (buy-side and sell-side), aligning marketing performance with enterprise valuation drivers. Known for architecting AI-powered marketing systems and scalable infrastructure that reduce CAC, accelerate pipeline, and compound revenue. Not just campaigns, but the operating systems behind them.
Chief Marketing Officer & Growth Advisor
MarkCMO - Executive Marketing Consultancy
2020 to Present
Fractional CMO practice serving PE-backed firms, high-growth startups, and enterprise organizations.
- Scaled multiple client companies from $5M to $10M+ in annual revenue by architecting full-funnel GTM strategies across paid, organic, and partnership channels
- Managed $5M+ in combined annual ad spend across Meta, Google, TikTok, and LinkedIn with consistent ROAS optimization and attribution modeling
- Built and led cross-functional teams of 40+ spanning growth marketing, creative production, analytics, and marketing automation
- Designed and deployed AI-driven marketing systems using Claude, ChatGPT, and custom automation pipelines that reduced CAC by 30%+ while increasing conversion rates
- Served as strategic marketing advisor during 2 successful company exits, aligning marketing KPIs with valuation multiples for both buy-side and sell-side transactions
- Engineered scalable marketing infrastructure including CRM architecture, lead scoring models, and automated nurture systems that compound pipeline velocity quarter over quarter
VP of Marketing & Growth
Multi-Vertical Operating Company
2017 to 2020
High-growth portfolio company spanning e-commerce, SaaS, and services verticals.
- Drove 120% revenue growth over 3 years by redesigning the company's demand generation engine and implementing performance marketing at scale
- Established the company's first RevOps function, unifying marketing, sales, and customer success data into a single attribution framework
- Led brand repositioning initiative that increased qualified lead volume by 45% and improved sales cycle velocity by 22%
- Recruited, trained, and scaled the marketing organization from 8 to 28 team members across 4 functional areas
- Managed martech stack consolidation that reduced operational costs by $380K annually while improving campaign throughput
Director of Digital Marketing
Growth-Stage Technology Company
2014 to 2017
Series B technology company focused on B2B SaaS solutions.
- Built the digital marketing function from the ground up, establishing paid media, SEO, content, and email as scalable acquisition channels
- Launched and optimized multi-channel paid campaigns that generated 60%+ of the company's qualified pipeline
- Implemented marketing automation platform (HubSpot) and designed lead scoring models that increased MQL-to-SQL conversion by 38%
- Developed data-driven content strategy that grew organic traffic by 4x within 18 months
Marketing Strategist & Consultant
Independent Consulting Practice
2011 to 2014
Strategic marketing consultancy serving SMBs and mid-market companies.
- Provided end-to-end marketing strategy and execution for 20+ clients across technology, professional services, and consumer verticals
- Developed go-to-market playbooks that reduced client time-to-revenue by an average of 40%
- Built repeatable frameworks for customer acquisition, retention, and brand positioning adopted across multiple engagements
Frontend Development & Web
HTML5CSS3JavaScriptReactResponsive Web DesignMJMLLiquid (Shopify/ESP)Schema MarkupSitemap Markup
Backend & Data Infrastructure
APIs & WebhooksSQLGoogle Tag ManagerSegmentmParticleAmperityMulti-Touch AttributionData Layer Management
CMS & Web Platforms
WordPressWebflowShopifyMagentoContentful
CRM & Marketing Automation
Salesforce (Sales + Marketing Cloud)HubSpotZoho CRMMarketoPardotActiveCampaignMake (Integromat)Zapiern8n
Advertising Platforms
Google AdsMeta Ads ManagerTikTok AdsLinkedIn Campaign ManagerThe Trade DeskStackAdapt
Analytics & Attribution
Google Analytics (GA4)LookerTableauPower BIMixpanelAmplitudeHeapNorthbeamTriple Whale
Email, SMS & Lifecycle
KlaviyoBrazeIterableMailchimpZoho CampaignsBrevoConstant ContactPostscript (SMS)Attentive (SMS)
SEO & Content Optimization
SEMrushAhrefsScreaming FrogClearscopeBrightlocalWhitespark
A/B Testing & CRO
OptimizelyVWOConvert.comDynamic YieldMutinyAdobe Target
Social, Influencer & Partnerships
Sprout SocialLaterBufferHootsuiteGRINAspireIQCreatorIQImpactRefersionPartnerStack
Design & Creative
FigmaCanvaAdobe PhotoshopAdobe IllustratorPremiere ProAfter EffectsMiro
Communication & Project Mgmt
SlackAsanaMondayTrelloNotionAirtableG SuiteMicrosoft 365ZoomLoom
AI, LLM & Next-Gen Tools
ChatGPTClaudeGemini (Google)JasperMidjourneyDALL-EDescriptCopy.aiWritesonicLumen5Perplexity
ABM, Intent & Data Enrichment
6senseDemandbaseClearbitZoomInfo
109 tools across 14 categories. Stack evolves quarterly.