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Deborah O'Malley

Available to hire

I’m a senior marketing operations and experimentation leader with 10+ years of experience driving campaign optimization, A/B testing, and data-informed decision-making across B2B, SaaS, ecommerce, and education sectors.

About

I’m a senior marketing operations and experimentation leader with 10+ years of experience driving campaign optimization, A/B testing, and data-informed decision-making across B2B, SaaS, ecommerce, and education sectors. I’m passionate about turning insights into measurable ROI and collaborating across marketing, analytics, and engineering to elevate campaign performance.

I excel at building scalable testing frameworks, improving conversion efficiency, and documenting best practices that raise the quality of marketing execution. I enjoy partnering with cross-functional teams and Fortune 500 brands to scale experimentation programs and share knowledge through clear, actionable guidance.

  • 18 years' experience
  • Joined January 2026

Languages

  • EnglishFluent

Industry experience

  • Education
  • Software & Internet
  • Professional Services
  • Media & Entertainment
  • Other

Work experience· 5 roles

Adjunct Professor, Product Analytics · Queen’s University – Smith School of BusinessFeb 2023 – Present · 3 yrs 10 mos

Teach product analytics and digital experimentation within the Master of Digital Product Management program, focusing on campaign analysis, A/B testing, and data-driven optimization. Guide students in applying quantitative and qualitative research methods to optimize marketing funnels, landing pages, and user journeys. Develop structured experimentation frameworks emphasizing data integrity, statistical rigor, and actionable insights. Awarded the Distinguished Faculty Teaching Award (2024) for excellence in student engagement and learning outcomes.

Director of Experimentation · GuessTheTestJan 2018 – Present · 8 yrs 11 mos

Lead a global experimentation and marketing optimization platform focused on improving A/B testing execution and campaign decision quality. Design and analyze hundreds of A/B test case studies spanning email campaigns, landing pages, messaging frameworks, and conversion flows. Evaluate campaign performance data to identify optimization opportunities and improve marketing ROI. Collaborate with Fortune 500 brands and cross-functional stakeholders to document best practices for experimentation and marketing operations. Create clear documentation and educational resources outlining testing workflows, governance standards, and optimization strategies.

Senior CRO Strategist · Convert ExpertsJan 2016 – Jan 2025 · 9 yrs 1 mo

Led marketing optimization and CRO programs for global brands including Peet’s Coffee, ActivTrak, Home Title Lock, Zumio, Generation Genius, and Luxy Hair. Executed structured A/B testing programs across email, landing pages, and acquisition funnels, increasing conversion rates by an average of 30%. Conducted in-depth campaign analysis, heuristic evaluations, and user behavior research to inform optimization strategies. Partnered with marketing, product, and engineering teams to scale experimentation programs and streamline campaign execution workflows. Documented optimization processes to improve consistency, speed, and execution quality across teams.

Director of Digital Development · Behave.org (formerly WhichTestWon)Jan 2015 – Aug 2018 · 3 yrs 8 mos
User Experience Specialist · Various ClientsSep 2008 – Aug 2018 · 10 yrs

Education

Master of Science (M.Sc.) · Queen’s University2007 – 2009
Bachelor of Arts (BA), Communication Studies · University of Calgary1996 – 2001
Graphic Design Certificate · Algonquin College2004 – 2005

Certifications and awards

Franklin Bracken Fellowship2007 – 2009
Ontario Graduate Scholarship2007 – 2009

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