Brian O'Sullivan

SaaS Growth Player/Coach. Love strategy but like to get into the weeds too. Over 18 years of experience driving growth at tech giants and high-growth startups. My career spans Google (9 years), leading Dropbox's EMEA growth team, and serving as Head of Growth at VC-backed SaaS companies. Strengths: - Analytical & Data-Driven: I'll bring a data-driven focus to your growth — scale what's working and drop the rest - Full-Funnel Expertise: My background spans both growth marketing and product-led growth. - Proven Track Record: I've launched experiments that have delivered millions in revenue & doubled growth at Series A startups -Player/coach: I can lead teams but also love getting stuck into day-to-day tactics. Book a call to get a free strategy session. Example areas I can help with: - Your growth strategy and big bets - Product-led and marketing-led growth tactics - Scaling acquisition - Optimizing your website and onboarding funnels - Using AI to increase efficiency

• 

  Artificial intelligence

  I leverage AI to make myself more efficient. Examples: i) analyse customer interviews for onboarding insights ii) review competitor reviews to generate website copy iii) write javascript for marketing automation. Can help your team implement AI tools for efficiency while maintaining quality and strategic focus.

• 

  Conversion rate optimisation

  I have been doing CRO for over 10 years. Experience with high-volume sites (Dropbox) and lower volume sites. Wins range from 100% increases to 8-figures in terms of business impact.

• 

  Copywriting

  Extensive A/B testing experience across websites and in-product. I'll help optimize your messaging through customer/competitor research (now much easier with AI)

• 

  Data science

  Strong web analytics background with Google Analytics expertise. Comfortable with statistical analysis for A/B testing and growth experiments. Not a data scientist, but can help structure your data approach

• 

  Go to market strategy

  Expert in defining and executing GTM strategies for SaaS. I'll help map your customer journey, build acquisition frameworks, and align your product with market needs for maximum growth.

• 

  Growth marketing

  Started career at Google. Ran growth marketing for a number of VC-backed startups. Fractional growth lead for a number of startups. Can get heavy into the weeds of execution or help you grow a team. I'll help you with scalable, profitable growth. If we work together we'll run tests to find new acquisition channels, scale up existing channels, and optimize your funnels & loops to drive down CAC.

• 

  PPC strategies

  Former Google AdWords manager. Will help you develop/refine your paid strategy. Can also help optimize campaigns, improve ROAS, and scale up. (SaaS & lead-gen only)

• 

  Product management

  Ex-Dropbox Growth PM. As a consultant, I've helped companies create their Growth PM teams and mentor their growth PMs. I mix a strong commercial sense with an understanding of stats and how to run experimentation programs. [Note: Not interested in PM work outside Growth PM]

• 

  Google Ads

  22 years of experience

  My first job was working as a Google Ads account manager for Google. These days I specialize in SaaS, lead-gen, and B2B. Have started ads accounts from 0 and profitably grown them to 7-figure budgets multiple times

• 

  Google Analytics

  22 years of experience

  Worked on the Google Analytics team at Google for 7 years. Have been using and implementing GA since it launched. Happy to chat about the unique measurement challenges start-ups face (esp SaaS).

• 

  Google Analytics Experiments

  12 years of experience

  I've been running A/B tests for 10 years or more. Have run hundreds of tests in Google Optimize since it's launch and had used the previous versions of the tool before that.

• 

  Google Data Studio

  9 years of experience

  I can show you how I've built dashboards to measure the effectiveness of websites, paid marketing and content marketing. Combining data from multiple sources to build actionable reports and dashboards

• 

  SaaS

  Manager on the growth team at Dropbox pre-IPO. Head of growth at 2x venture-backed Series A startups. Spent 8 years at Google at the start of my career