Marie Byrne

Work history

Sitecore

12.2020 - 03.2025

Built & led Sitecore’s global growth marketing function, accountable for 33% of marketing-sourced pipeline
Directed the integration of Boxever post-acquisition, evolving GTM messaging & enabling 120+ marketers to execute new portfolio campaigns effectively.
Shifted campaign strategy from horizontal to persona & vertical GTM motions - fintech, retail, media, & technology
Delivered marquee moments (e.g., Sitecore AI in Times Square), blending storytelling with demand performance.
Owned campaign strategy across the entire lifecycle — from new logo acquisition to retention & upsell — in close partnership with Sales, Product, & Customer Success.
Scaled the martech stack with 6sense, Wrike, & performance analytics to drive ABM precision, funnel visibility, & agile execution.
Represented marketing in board & investor forums, translating performance insights into business impact.
Key Outcomes: MQLs ↑ 38% | Opps ↑ 41% | Pipeline ↑ 33% | Industry opps ↑ 52% | Campaign time-to-market ↓ 30% | CVR ↑ from 2.1% to 3.8% | Paid media ROI ↑ 26% | Tier 1 ABM engagement doubled

Boxever

03.2018 - 12.2020

Recruited by ELT to establish & scale Boxever’s marketing function from the ground up, building brand & pipeline readiness to support growth & acquisition.
Defined company GTM strategy, aligning positioning, demand generation, & brand narrative with investor milestones & commercial KPIs.
Designed & led integrated marketing across digital, content, PR, AR, field, & ABM — enabling both inbound velocity & strategic account penetration.
Built & led a high-performing team of 8 across demand generation, ops, content, & communications. Introduced agile campaign planning & sprint-based delivery.
Transformed the company’s digital presence, launching a new website & deploying full-funnel strategies across paid, organic, email, & social channels.
Strengthened Boxever’s influence in the martech ecosystem through analyst relations, partnership programs, & media engagement.
Owned & optimized the marketing tech stack (HubSpot, Salesforce, 6sense), delivering performance measurement & continuous ROI improvement.
Key Outcomes: MQLs ↑ 40% | MALs ↑ 32% | Opps ↑ 45% | Pipeline ↑ $18M | Industry opps ↑ 47% | Boxever acquired by Sitecore in 2020

IBM Fiberlink

04.2014 - 12.2017

Built IBM’s EMEA demand generation capability post-acquisition of Fiberlink, owning GTM strategy across 7 countries.
Developed locally tailored demand generation programs to reflect market maturity, compliance, & buyer behaviour — driving pipeline velocity & quality.
Designed & implemented BDR supported demand engine for a transactional SaaS model
Led full-funnel digital execution: SEM, display, social, SEO, regional websites, email, webinars, & retargeting.
Reduced CPL via channel optimization, content localization, SEO improvements, & A/B testing.
Introduced scalable nurture programs, lead scoring in Eloqua/SFDC, & sales-aligned hand off processes to drive funnel velocity & qualification.
Partnered directly with sales leadership & reported to the EMEA executive team, holding shared pipeline targets & accountability.
Key Outcomes: MQLs ↑ 40% | MALs ↑ 32% | Opps ↑ 45% | Pipeline ↑ $18M | CPL ↓ 32%

Salesforce

02.2012 - 03.2014

Led EMEA marketing strategy for launch of Service Cloud, Salesforce’s customer experience solution, driving awareness & pipeline across install base & target accounts.
Built messaging & positioning to enable upsell within existing accounts & establish credibility in new markets through vertical storytelling & thought leadership.
Designed & executed award-winning ABM campaigns using dynamic content & video-in-print, achieving 72% open rates & high engagement from CX decision-makers.
Developed 'Customer Experience Leaders Roadshow,' attracting CXOs from 20% of Fortune 500 & establishing Salesforce’s presence in executive CX conversations.
Founded & grew the largest Salesforce LinkedIn community (5K+ members), enabling peer-to-peer CX engagement
Partnered with sales & field teams to deliver high-touch, multi-channel programs across events, webinars, & executive roundtables.
Contributed to pipeline strategy, aligning marketing tactics to revenue goals across verticals & enterprise segments.
Key Outcomes: MQLs ↑ 40% | MALs ↑ 32% | Opps ↑ 45% | Pipeline ↑ $18M | Campaign open rate ↑ 72% | Marketing contribution ↑ 70% | Industry opps ↑ 47%