Sean Finnegan

Services & Success Leader · E-Commerce SaaS · AI-Enabled Operations · Value Realization
Professional Summary

E-commerce SaaS and managed services leader with 20+ years building and scaling customer-facing delivery models for brands, retailers, and marketplace sellers. Specializes in turning complex customer environments into repeatable operating systems — with a consistent track record of driving retention, expansion revenue, and team efficiency at scale. Known for cross-functional execution, AI-enabled workflow automation, and translating operational complexity into measurable business outcomes.

Career Highlights
  • Led a 12-person customer-facing team at ChannelAdvisor accountable for 75 enterprise and mid-market customers, $12M ARR, and hundreds of millions in GMV across Amazon, eBay, Walmart, Target, and 25+ marketplaces.
  • Managed executive relationships at Pitney Bowes for Amazon Global and BarkBox, supporting a 2021 budget exceeding $200M across global commerce, logistics, and fulfillment programs.
  • Built a consulting tier within Managed Marketplace Services at ChannelAdvisor by redesigning enterprise onboarding for Amazon sellers — generating $86K in new revenue and driving $206K in additional bookings within 6 months.
  • Served as a de facto sales partner at ChannelAdvisor, collaborating on deal strategy and value-based consulting to close $589K in new bookings within six months — entirely as a side project outside core responsibilities.
  • Led executive alignment to complete a high-stakes Amazon Global RFP at Pitney Bowes, retaining existing business and winning new EU freight lanes worth $3M annually.
Core Capabilities
Customer Success & Retention Strategy
E-Commerce & Marketplace Operations
QBR Design & Executive Stakeholder Management
Product Data & Catalog Quality Operations
Onboarding & Implementation Design
AI-Enabled Workflow Automation
Services Delivery & SLA Management
Cross-Functional Execution & Escalation Management
Team Leadership, Coaching & Development
CRM / Salesforce / Asana / n8n / Make.com / Claude AI
Professional Experience
Owner — Independent E-Commerce Advisory
4 Finns Strategic Consulting · Sarasota, FL · Dec 2025 – Present
  • Advise e-commerce and marketplace founders on seller onboarding, operational workflows, and cross-functional execution, with a focus on scalable operating models and marketplace growth strategy.
  • Design seller-facing processes that reduce onboarding friction and improve launch readiness for marketplace and SaaS-platform environments.
  • Partner with clients on opportunity assessment, operational problem-solving, and building practical frameworks for partner and seller enablement.
Vice President, Business Development & Client Strategy
HyperSKU · Sarasota, FL · April 2023 – November 2024
  • Built an automated lead-generation system to source qualified Shopify brand prospects globally, transforming outbound from ad-hoc outreach to a repeatable, scalable pipeline process.
  • Diagnosed growth blockers across product readiness, catalog quality, fulfillment, supplier performance, and cross-border operations — translating merchant friction into actionable platform and workflow requirements.
  • Presented to Amazon seller audiences through Amazon Singapore and a China-based webinar, establishing a market-facing presence for North American supply-chain solutions.
Director, Marketplace Client Solutions & Success
Mamenta SaaS · Denver, CO · March 2022 – December 2022
  • Built and launched the company's first customer integration strategy, adopted as the implementation framework for all new projects — establishing consistency from sales handoff through onboarding and go-live.
  • Co-developed the roadmap for the company's first marketplace product with the VP of Product, translating customer pain points and adoption blockers directly into feature priorities and launch positioning.
  • Led integration strategy and planning with Coupang, Rakuten Japan, and Global-e, coordinating customer requirements, technical dependencies, partner readiness, and internal execution.
Senior Client Success Manager — Global eCommerce, Marketplaces
Pitney Bowes Global E-Commerce · Raleigh, NC · 2021 – March 2022
  • Managed strategic enterprise relationships for Amazon Global and BarkBox, supporting a budget exceeding $200M across global commerce, fulfillment, logistics, and cross-border programs.
  • Led executive stakeholder alignment to complete a high-stakes Amazon Global RFP, retaining existing business and winning new EU lanes worth $3M annually.
  • Identified business risk threatening a key client relationship, coordinated cross-functional resolution across legal, finance, and operations, and unlocked $4M in previously unattainable new business.
Senior Client Success Manager — Global eCommerce, FDR
Pitney Bowes Global E-Commerce · Raleigh, NC · 2019 – 2021
  • Managed a portfolio of Chico's FAS, Staples, Eddie Bauer, and L.L. Bean across cross-border trade and domestic fulfillment, exceeding annual quota by over 120%.
  • Led a cross-functional team applying Six Sigma methodologies to build a new mid-market service model that reduced churn and generated $1M in incremental annual revenue.
Manager, Client Success
ChannelAdvisor SaaS (now Rithum Corp) · Morrisville, NC · 2017 – 2019
  • Led a 12-person team accountable for 75 customers, $12M ARR, and hundreds of millions in GMV — driving adoption, retention, and expansion across enterprise and mid-market SaaS accounts.
  • Designed a new consulting service tier for smaller accounts, generating $50K in new revenue and retaining $100K in net revenue by significantly raising service quality and engagement levels.
  • Created training and operating standards adopted across a 125-person services organization in North Carolina, Colorado, and Shanghai.
  • Partnered with the strategic sales team on deal strategy and customer positioning, closing $589K in new bookings within six months entirely outside of core responsibilities.
Success Team Lead — China Marketplaces
ChannelAdvisor SaaS · Shanghai / Morrisville, NC · 2014 – 2017
  • Helped launch a new China office with 40 employees and a $4M year-one revenue target; trained client-facing teams on product, service offerings, and integration workflows.
  • Collaborated with the Director of China Services to redesign the regional service model after a gap analysis — reducing churn and improving the client experience in Greater China.
  • Hired and developed the first Client Strategy Manager in the region to scale and position the business for Greater China market growth.
Earlier ChannelAdvisor roles (2012–2014): Campaign Manager & Channel Analyst — Professional Services. Led technical integrations and project management for launching 100+ brands and sellers across multiple online marketplaces.
Director of E-Commerce
Round Table Holdings Inc. · Winterville, NC · 2009 – 2012
  • Owned e-commerce performance across 100 brands and four channels, managing a $4M P&L.
  • Redesigned the holiday sales strategy based on prior-year analysis, generating $1.5M in November/December revenue at a 67% profit margin.
  • Migrated 90% of inventory to Fulfillment by Amazon (FBA), reducing online sales division overhead by $100K annually.
Additional early experience: President/Owner, Iron Strength Nutrition (2009–2012) · Ecommerce Operations Manager, Netlink Enterprises (2003–2006).
Education & Certifications
B.S., Economics
East Carolina University · 2008
Certified Agile Leadership I
Scrum Alliance · 2020
Designing & Implementing Practical Strategy
Bamford Associates · 2021
Six Sigma Yellow Belt
Pitney Bowes Sprint Leadership Program · 2022
Zendesk Academy Product Training
Completed 2026
IBM RAG and Agentic AI Professional Certificate
Coursera · In progress