Senior Marketing Leader  ·  London, UK

Builder.
GTM Strategist.
Connector.

Fifteen years of building things that last: systems, teams, campaigns and the occasional event series on three continents. I move fast, think end to end, and empower the people around me to do their best work.

Builder GTM Strategist Connector Cross-functional Leadership Events Architect Open to opportunities
+44 (0) 7500 523898
gillianwithagee@gmail.com
linkedin.com/in/harrisgillian
Builder·GTM Strategist·Connector·15 years B2B marketing·London, UK·Systems thinker·Demand generator·Events architect·Builder·GTM Strategist·Connector·15 years B2B marketing·London, UK·Systems thinker·Demand generator·Events architect·
15
Years in B2B
marketing
104%
ARR target hit
at Auror
9k
Leads from award-winning
Trustpilot programme
2.5k
Attendees across
global event series
01

Featured Work

01
Auror
Building a GTM function from the ground up
Joined as Auror's first UK marketer. Built the entire regional GTM function from scratch in under two years, growing the UK partner network to 16 of the top 19 retailers, including 5 of the UK's top 6 grocers.
104% ARR target 16 of top 19 retailers 20+ events
02
Trustpilot
Award-winning global brand purpose programme
Spearheaded a cross-market campaign that became one of Trustpilot's most decorated programmes. Required aligning 9 sub-teams, multiple agencies and senior stakeholders across regions.
6x ROI 9,000 leads 22 media pieces
03
TrendWatching
Sold-out global event series across three continents
Designed and delivered a sold-out five-week event series across London, Amsterdam, Sydney, Singapore and Chicago. Built the entire marketing infrastructure from scratch: micro-sites, content calendars, speaker sourcing and coordination across all markets.
2,500 attendees 3 continents Sold out
02

AI in Practice

Briefing
A Claude-powered assistant covering campaign goals, target accounts, personas, channel mix and execution calendar in a single conversation. Output: a complete brief the global team can run with.
Messaging
A Claude project embedded with brand strategy and comms guidelines, giving the whole team a consistent, on-brand resource that replaced ad hoc AI usage.
Operations
Structured Claude prompts integrated into Monday.com to automate task creation, project briefs and status updates across the marketing function.
This site
Built entirely in Claude: design, copy, structure and code. A working example of what AI-fluent marketing looks like in practice.
03

What I Bring

01
Infrastructure Builder
Scalable systems and frameworks designed to outlast any single campaign.
02
Strategic Connector
Bridging product, commercial and marketing so they move together with purpose.
03
Storyteller
Turning complex ideas into language that lands, across every channel and format.
04
Demand Generator
ABM, events, content, nurture — full-funnel GTM built for real pipeline.
05
Events Architect
From sold-out global series across three continents to owned event brands, designed to convert.
06
Operational Leader
OKR frameworks, workflows and planning rhythms that actually stick.
07
Systems Thinker
End-to-end planning. Joined-up execution. Solutions built to scale.
08
Commercial Marketer
Always working backwards from revenue, pipeline and real business impact.
04

Career

Auror
Jul 2024, Present
Regional Marketing Lead, UK & Europe

Auror's first UK marketer. Built the entire regional GTM function from the ground up in under two years.

  • Designed and executed full-funnel campaigns: ABM targeting T1 enterprise grocers, competitive intercept plays, verticalised mid-market plays, and EU market entry ahead of Auror's first European trade show
  • Built the UK content and social proof engine: senior-focused webinars, podcasts and video content bringing the right people into the funnel, and a customer story, quote and video library giving sales compelling proof points at every stage of the deal
  • Designed and delivered 20+ events across owned formats, tradeshows, roundtables and speaking sessions, including Auror Connect drawing 75+ senior decision-makers per event
  • Contributed to a year that closed at 104% of ARR target (£3.43M); grew the UK partner network to 16 of the top 19 retailers, including 5 of the UK's top 6 grocers
  • Built working AI tools from scratch: a Claude-powered campaign briefing assistant, a brand-trained messaging resource used across the global team, and AI-integrated project workflows in Monday.com, moving the function from AI curiosity to AI-native operation
Trustpilot
Jan 2018, Dec 2023
Head of Global Marketing Program Management
  • Worked directly with the CMO and VP of Marketing Ops and Tech to build the operational frameworks enabling a 50-person department across 9 sub-teams to execute with consistency and commercial impact
  • Spearheaded an award-winning global brand purpose programme: 9,000 leads, 6x ROI and 22 pieces of gold-standard media coverage
  • Designed and implemented the department's OKR framework, translating corporate objectives into clear team-level goals across all sub-teams
  • Managed brand, design and content agency relationships across the business, building transparent resourcing systems used by the wider marketing org
Global Marketing Program Manager
  • Built the operational backbone of Trustpilot's global marketing function via Monday.com: 20% reduction in duplicate work, 50% increase in brand-aligned messaging
  • Designed campaign dashboard for real-time performance monitoring; established quarterly planning reviews as the team's shared rhythm
Senior Marketing Manager
  • Demand generation across UK, US and APAC: webinars, events, paid advertising, partnerships, sales enablement and ABM, contributing to a 29% year-on-year increase in new business and over $5M USD influenced
  • Built Trustpilot's first automated HubSpot email nurture series across all markets: 35% increase in prospect engagement, 15% rise in MQLs
TrendWatching
Dec 2015, Jan 2018
Head of Marketing & Brand
  • Led team of 6 across brand, events and content; launched two email products growing database to 300,000+ subscribers
  • Campaigns in partnership with Google, IBM, Mindshare, We Are Social and Getty Images
Global Events Marketing Manager
  • Designed and delivered a five-week global event series across London, Amsterdam, Sydney, Singapore and Chicago: 2,500 attendees, sold out; built the entire marketing infrastructure from scratch across all five markets
The Concerto Group
Sep 2014, Mar 2016
Senior Marketing Manager
  • Led marketing across 22 venue brands including OXO2, The Leadenhall Building and Studio Spaces
  • Rebranded three agency websites driving a 40% increase in enquiries; managed the immersive relaunch of Mask agency at Somerset House
Euromoney
Dec 2011, Jun 2014
Senior Marketing Executive
  • Subscription marketing across two B2B magazines; key account initiatives delivered a 350% increase in new subscription revenue
Altitude London
Oct 2010, Dec 2011
Marketing Executive
  • Marketing and PR across 5 venues including the launch of the Curzon Millbank Cinema
05

Tooling & Education

CRM
Salesforce
Marketing Automation
HubSpot · Campaign Monitor · Adestra · Mailchimp
CMS
WordPress · Adobe · Webflow
Analytics
Google Analytics · Looker · Hotjar · Mixpanel · Optimizely
Project Management
Monday.com · Jira · Trello
Design
Adobe Suite · Canva · Figma
AI
Claude · ChatGPT · Notion AI
Certificate
Cultivating Creative Collaboration, IDEO U (2022)
Degrees
MA Magazine Publishing, UAL (2010) · BA English & Communications, Simon Fraser University (2007)
06

Get in Touch

Interested in
working together?

+44 (0) 7500 523898
gillianwithagee@gmail.com
linkedin.com/in/harrisgillian

Originally from Vancouver, Londoner for 16 years. Outside of work you'll find me in the garden growing tomatoes, hanging out with my three year old daughter, and when I have a spare moment keeping up with the latest marketing and AI trends.

Quick links
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